Oki COREFIDO B822dn User manual

B822dn/B842dn
User's Manual

Table of contents
- 2 -
Table of contents
1. Read this first ..................................... 7
Safety precautions............................................. 8
General precautions.......................................... 9
Cautions .......................................................... 11
エネルギースターについて ............................... 11
紙幣、有価証券などの印刷について ................. 11
インターネットへの接続について..................... 11
電波障害防止について....................................... 12
高調波規制について .......................................... 12
本製品を日本国外へ持ち出す場合の注意.......... 12
VOC（揮発性有機化合物）の放散 .................... 12
Trademarks ..................................................... 13
About this manual............................................ 14
About the description......................................... 14
Features of this machine................................. 16
2. Preparing and connecting this machine
to your PC ........................................ 17
About Installation............................................. 18
Installation environment .................................... 18
Installation space............................................... 19
Unpacking ....................................................... 21
Checking the accessories ............................... 25
Installing optional accessories ........................ 27
Installing the Wireless LAN module................... 27
Installing the Wired LAN module ....................... 29
Installing the expansion tray unit ....................... 32
Installing the Caster Base.................................. 36
Connecting the power cord ............................. 41
About the power supply ..................................... 41
Connecting the power cord................................ 41
Loading paper in the tray ................................ 43
Connecting via a wired LAN............................ 46
1. Connecting the LAN cable............................. 46
2. Setting the IP address, etc. ........................... 47
3. Checking the connection from a PC .............. 49
Connection form via a wireless LAN ............... 51
Connecting via an access point (Infrastructure)52
1. Enabling the wireless LAN function ............... 52
2. Enabling infrastructure................................... 53
3. Setting the IP address ................................... 53
4. Connecting with the wireless access point .... 56
4-1. Connecting by selecting a wireless LAN
access point ...................................................... 56
4-2. Connecting with WPS................................. 57
4-3. Manual setup and connection .................... 59
5. Choosing a valid default gateway.................. 61
6. Checking the connection from a PC .............. 62
Connecting directly with this machine (AP mode)
.........................................................................64
1. Enabling the wireless LAN function ............... 64
2. Enabling the AP mode................................... 65
3. Connecting with a device............................... 65
3-1. Auto connection (Push button) ................... 66
3-2. Manual connection ..................................... 67
Connecting via USB.........................................68
Installing software on a PC ..............................69
For Windows ..................................................... 69
For macOS ........................................................ 72
Setting the printer driver .................................... 74
3. Basic operations ...............................77
Parts identification............................................78
Front .................................................................. 78
Inside the main unit ........................................... 79
Back .................................................................. 80
Turning the power on/off ..................................81
Turning the power on......................................... 81
Turning the power off......................................... 81
Loading paper ..................................................82
Procedure for loading paper .............................. 82
Applicable paper................................................ 82
Inapplicable paper ............................................. 84
Paper precautions by type................................. 85
Paper applicable to each tray ............................ 86
Loading paper in Tray1/2/3/4............................. 87
Loading paper in the MP Tray ........................... 91
Setting paper information on the operator panel 93
Storing paper ..................................................... 95
Checking the output tray ..................................96
Checking the information of this machine........97
Printing the menu map (configuration)............... 97
Confirming on the operator panel ...................... 98
4. Changing settings from the operator
panel.................................................99
Parts identification of the operator panel ...... 100
Inputting text.................................................. 101
Changing settings ......................................... 102
Adjusting the buzzer volume......................... 103
Setting the power save function.................... 104
Setting the time that elapses before entering the
power save mode ............................................ 104

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Setting the time that elapses before entering the
sleep mode...................................................... 105
Turning off the power automatically (Auto Power
Off) .................................................................. 106
Setting the time that elapses before entering the
auto power off mode........................................ 107
Setting actions of the power save mode.......... 108
Menu items.................................................... 110
Configuration ................................................... 110
Print Information .............................................. 112
Print................................................................. 112
Menus.............................................................. 113
Admin Setup.................................................... 118
Print Statistics.................................................. 126
Calibration ....................................................... 126
AirPrint............................................................. 126
Wireless(Infrastructure) Setting ....................... 127
Wireless(AP Mode) Setting ............................. 127
Boot Menu ....................................................... 129
5. Printing from a PC .......................... 130
Printing from a PC ......................................... 131
For Windows PCL printer driver ...................... 131
For Windows PS printer driver......................... 131
For macOS PCL printer driver ......................... 132
For the macOS PS printer driver ..................... 132
Screens and functions of the printer driver ... 134
Windows PCL printer driver............................. 134
Windows PS printer driver ............................... 136
For the macOS PCL printer driver ................... 138
For the macOS PS printer driver ..................... 141
How to open the printer folder ......................... 145
Printing on various types of paper................. 146
Printing on Postcard ........................................ 146
Printing on envelopes...................................... 151
Printing on labels............................................. 156
Printing on long paper ..................................... 161
Printing on irregular-sized paper (custom size) 163
Printing methods ........................................... 168
Printing one sheet at a time manually ............. 168
Enlarging/Reducing to fit the specified media size
........................................................................ 169
Printing by enlargement/reduction................... 170
Printing only the cover from another tray......... 171
Booklet printing................................................ 172
Printing a poster by dividing a document......... 173
Inserting and printing a watermark text (watermark)
........................................................................ 174
Printing overlaid text or logos (overlay printing)175
Outputting to a file without printing on paper ... 176
Printing frequently used documents without using a
PC ................................................................... 177
Printing an email attachment ........................... 179
Printing in economy mode............................. 180
Printing on both sides of paper ........................ 180
Printing in the toner save mode....................... 181
N-in-1 printing.................................................. 182
Refining your finishing................................... 184
Printing with the specified print resolution ....... 184
Printing by correcting fine lines........................ 185
Printing by specifying the font to use ............... 186
Useful functions............................................. 189
Printing with multiple pages sorted into one
complete set (Collate)...................................... 189
Ejecting paper alternately in portrait and landscape
with collation (Rotate Sort) .............................. 190
Printing from the last page of your document .. 192
Printing by automatically selecting a tray for the
specified paper ................................................ 193
Switching tray automatically at running out of paper
........................................................................ 194
Changing default settings of the printer driver . 196
Printing with frequently used settings registered in
the printer driver .............................................. 196
Printing data stored in this machine ................ 198
Printing PS errors ............................................ 199
Maximizing the printable area.......................... 199
Editing margins................................................ 200
Correcting the print position of the tray............ 201
Printing with print data encrypted and password
set (Private Print) .......................................... 202
Canceling the printing ................................... 205
6. Management of this machine..........206
Admin Password ........................................... 207
Checking the factory default admin passwords207
Inputting the factory default admin passwords 209
Changing the admin password ........................ 210
Changing settings of Admin Setup................ 212
Managing the machine from the web page... 213
Opening the web page .................................... 213
Logging in as an administrator ........................ 214
Changing admin password (Web page) .......... 214
Checking/Changing the state of this machine . 215
Saving configurations ...................................... 216
Communication encryption (SSL/TLS) ............ 216
Disabling HTTP ............................................... 218
Using IPP ........................................................ 218
Communication encryption (IPSec) ................. 219
Using the access control function (IP filter) with the
IP address ....................................................... 220
Using the access control function with the MAC
address............................................................ 221
Notifying errors via e-mail................................ 221
Using SNMPv3 ................................................ 222
Using IEEE802.1X (Wired LAN) ...................... 222
Setting IEEE802.1X (Wireless LAN)................ 224

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Connecting to a wireless LAN (WPA/WPA2-EAP)
........................................................................ 225
Setting the LDAP server .................................. 226
Setting E-mail receiving (Web page) ............... 227
Setting the Power Save Time (Web page) ...... 228
Setting the Sleep Time (Web page) ................ 228
Setting "Auto Power Off" (Web page).............. 228
Setting actions of the power save mode (Web
page) ............................................................... 229
Copying the setup information of this machine to
other devices ................................................... 229
Printing PDF files (Direct Print)........................ 230
Setting a link to the support page .................... 230
Setting items of the web page ......................... 231
User restriction (Access control) ................... 238
1. Registering a role ........................................ 238
2. Registering a user ....................................... 239
3. Registering a group ..................................... 240
4. Setting authentication server ....................... 241
5. Enabling access control............................... 242
Using the machine........................................... 244
Printing from a PC ........................................... 244
Initializing the settings ................................... 247
Initializing network settings.............................. 247
Initializing the flash memory ............................ 247
Initializing settings of this machine .................. 248
Moving/Transporting this machine ................ 249
Moving this machine........................................ 249
Transporting this machine ............................... 249
Disposal......................................................... 252
7. Useful software............................... 253
Software list................................................... 254
Windows software ........................................... 254
macOS software.............................................. 255
Applications for mobile devices ....................... 255
Installing software.......................................... 256
For Windows ................................................... 256
For macOS ...................................................... 257
For mobile devices .......................................... 257
Monitoring Tool (Windows) ........................... 258
Registering the printer ..................................... 258
Updating the printer software .......................... 260
Updating the printer’s firmware........................ 261
Check the replacement time of maintenance parts
and apply for a free one................................... 262
Changing settings of Monitoring Tool .............. 263
Cloud setting ................................................... 265
Deleting the printer .......................................... 265
Troubleshooting (Monitoring Tool)................... 266
Network Extension ........................................ 267
Displaying properties of the printer driver ........ 267
Confirming settings of this machine................. 267
Setting options automatically........................... 268
Uninstalling Network Extension ....................... 268
PS Gamma Adjuster ..................................... 269
Registering a gamma adjuster name............... 269
Printing with registered halftone ...................... 270
Configuration Tool......................................... 271
Registering this machine ................................. 271
Starting the Configuration Tool........................ 271
Checking the state of this machine.................. 271
Displaying print completion on the PC............. 272
Setting the network.......................................... 274
Registering forms (form overlay) ..................... 275
Checking free space of memory/hard disk ...... 276
Registering the user name and password ....... 276
Deleting this machine ...................................... 278
Name and function of each screen .................. 278
Icon description ............................................... 280
OKI LPR Utility .............................................. 281
Starting the OKI LPR Utility ............................. 281
Registering this machine with the OKI LPR Utility
........................................................................ 281
Checking the state of the registered machine . 281
Transferring print data to the registered device282
Printing the same document from multiple
registered devices ........................................... 282
Opening the web page of a registered device . 283
Automatically following the IP address of the
registered device ............................................. 283
Setting the port number of the web page for the
registered device ............................................. 283
Sending files to this machine registered with the
OKI LPR Utility ................................................ 284
Deleting unnecessary print data ...................... 284
Uninstalling OKI LPR Utility ............................. 284
Network Card Setup Utility (macOS) ............ 285
Setting the IP address ..................................... 285
Opening the web page .................................... 285
Exiting the Network Card Setup utility ............. 285
Print Job Accounting Client........................... 286
For Windows ................................................... 286
For macOS ...................................................... 287
8. Printing from a mobile device .........289
Printing with Mobile Print............................... 290
Printing by connecting to an access point ....... 290
Printing with the NFC function ......................... 290
Troubleshooting for Mobile Print...................... 291
Printing with AirPrint...................................... 293
1. Setting AirPrint ............................................ 293
2. Registering this machine on Mac ................ 294
3. Printing with AirPrint .................................... 294
Troubleshooting for AirPrint............................. 295
Printing with Mopria Print Service ................. 297
1. Setting Mopria Print Service ........................ 297
2. Registering this machine with a Windows ... 298

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3. Printing with Mopria Print Service................ 298
Troubleshooting for Mopria Print Service ........ 299
Printing with IPP Everywhere........................ 301
1. Setting IPP Everywhere............................... 301
2. Registering this machine with Chromebook 302
3. Printing with IPP Everywhere ...................... 302
Troubleshooting for IPP Everywhere............... 302
Printing with Print Plugin ............................... 304
Printing by connecting to an access point ....... 304
Troubleshooting for Print Plugin ...................... 305
Showing troubleshooting tips on a mobile device
....................................................................... 307
9. Maintenance................................... 308
Precautions for replacing consumables and
maintenance parts......................................... 309
Service life and replacement cycle of
consumables ................................................. 310
Toner cartridge ................................................ 310
Image drum ..................................................... 311
Replacing toner cartridges ............................ 312
Replacing the image drum ............................ 315
Replacing the image drum and the toner
cartridge ........................................................ 320
Free maintenance parts ................................ 325
Service life and replacement cycle of
maintenance parts......................................... 326
Maintenance kit ............................................... 326
Paper feed roller.............................................. 327
Replacing the maintenance kit...................... 328
Replacing the paper feed roller (Tray1) ........ 334
Replacing the paper feed roller (Tray2/3/4) .. 338
Replacing the paper feed roller (MP Tray).... 342
Cleaning the main unit and the parts ............ 348
Cleaning the LED head ................................... 348
Cleaning the surface of the main unit .............. 350
Cleaning the paper feed roller (Tray1/2/3/4).... 350
Cleaning the paper feed roller (MP Tray) ........ 351
Cleaning the light-shielding film....................... 356
Cleaning the resist roller.................................. 358
Installing the transport assistance guide....... 361
Updating software ......................................... 362
For Windows ................................................... 362
For macOS ...................................................... 362
Deleting software........................................... 363
Uninstalling the Windows printer driver ........... 363
Uninstalling the macOS printer driver .............. 363
Firmware update ........................................... 365
For Windows ................................................... 365
For macOS ...................................................... 365
10. Troubleshooting ..............................366
When an error message appears on the display
...................................................................... 367
Error Message List .......................................... 368
When a paper jam occurs ............................. 376
For the error code 370..................................... 376
For the error code 371..................................... 378
For the error code 372..................................... 378
For the error code 380..................................... 380
For the error code 381..................................... 381
For the error code 382..................................... 384
For the error code 387 or 391.......................... 389
For the error code 390..................................... 390
For the error code 392, 393 or 394.................. 391
For the error code 631..................................... 393
For the error code 632, 633 or 634.................. 394
For the error code 637..................................... 396
For the error code 638..................................... 396
For the error code 639..................................... 399
For the error code 641 or 642.......................... 404
For the error code 652..................................... 406
Trouble with printing...................................... 412
I cannot print.................................................... 412
Troubleshooting for Wired LAN connection ..... 413
Troubleshooting for wireless LAN connection . 414
Troubleshooting for USB connection ............... 418
Troubleshooting for printing results............... 419
List of troubles with printing results.................. 419
White streaks appear in the vertical direction .. 422
Printing is faint in the vertical direction ............ 422
Printing is light ................................................. 423
White dots or lines appear............................... 423
Condensation occurs on printed paper............ 424
Streaks appear in the vertical direction............ 424
Dots and horizontal streaks appear in the paper
feeding direction periodically ........................... 425
White area is lightly stained............................. 425
Edges of text are blurred ................................. 426
When envelopes or coated paper is printed, the
whole area is thinly stained ............................. 426
Toner comes off when rubbed......................... 426
Uneven Gloss.................................................. 427
Point stains appear.......................................... 427
Stains are printed ............................................ 427
The entire paper is printed in black ................. 428
Nothing is printed ............................................ 428
White streaks occur ......................................... 428
The peripheral area is dirty.............................. 429
An afterimage printed on the front edge of the
paper is printed................................................ 429
The density differs at two ends of the paper.... 430
Software troubleshooting .............................. 431
Troubleshooting for this machine and paper 432
Troubleshooting for the machine ..................... 432

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Troubleshooting for the paper ......................... 435
When a power failure occurs ........................... 438
Appendix............................................... 439
Specifications ................................................ 440
Dimensions.................................................... 443
Using the FAQ guide of this machine............ 445
List of consumables, maintenance parts, options
and paper ...................................................... 447
Menu tree ...................................................... 448

Read this first
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Read this first
Safety precautions...................................................................................... 8
General precautions................................................................................... 9
Cautions ................................................................................................... 11
Trademarks .............................................................................................. 13
About this manual..................................................................................... 14
Features of this machine.......................................................................... 16

Read this first
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Safety precautions
Read this manual to use the product safely.
Mishandling due to ignoring this indication may cause major injuries or even death.
Mishandling due to ignoring this indication may cause personal injury.

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General precautions
Do not touch the safety switch inside this machine. High voltage may occur and electric shock may be caused.
In addition, gears can rotate, which may result in personal injury.
Do not use an inflammable spray near the machine.
A fire may be caused since there is an area heating up within the machine.
Unplug the power cord from the power outlet and contact the customer service center or your dealer if the cover
becomes abnormally hot, emits smoke, smells strange, or makes an abnormal noise.
Otherwise, a fire may be caused.
Unplug the power cord from the outlet and contact the customer service center or your dealer if water or other
liquid gets into the machine.
Otherwise, a fire may be caused.
If paper clips or any other foreign objects enter the inside of this machine, disconnect the power plug from the
power outlet and contact the customer service center or your dealer.
Otherwise, electric shock, fire, or injury may be caused.
Do not disassemble this machine or perform operations other than those specified in the user manual.
Otherwise, electric shock, fire, or injury may be caused.
Unplug the power cord from the power outlet and contact the customer service center or your dealer if the
machine is dropped or the cover is damaged.
Otherwise, electric shock, fire, or injury may be caused.
Periodically disconnect the power plug from the power outlet and clean the base of the prongs, and between the
prongs.
Leaving the power plug inside the power outlet for a long period of time may result in a fire due to a short circuit
caused by the buildup of dust at the base of the prongs.
Do not clean up spilled toner with an electric vacuum cleaner. Otherwise, a fire may be caused due to sparks
from the electrical contacts.
If toner is spilled on the floor, wipe it up carefully using a damp cloth to prevent the toner from scattering.
Do not insert objects into the air vents.
Otherwise, electric shock, fire, or injury may be caused.
Do not place cups containing water, etc., on this machine.
Otherwise, electric shock or fire may be caused.
Make sure that no urine from pets on top of this machine wet or enter this machine.
Otherwise, electric shock or fire may be caused.
Be careful when touching the fuser.
Otherwise, burns may be caused.
Do not throw image drums or toner cartridges into fire.
Otherwise burns may be caused due to a dust explosion.
Do not connect the power cord, any other cables or earth wire except as instructed in the user manual.
Otherwise, a fire may be caused.
The performance cannot be assured if an uninterruptible power supply (UPS) or inverter is used. Do not use an
uninterruptible power supply or inverter.
Otherwise, a fire may be caused.

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Keep away from the paper discharger when the machine is powered on or printing.
Otherwise, Injury may be caused.
Do not touch a broken display. Otherwise, Injury may be caused. If any liquid (liquid crystal) leaking from the
display gets into your eyes or mouth, immediately wash with plenty of water. Consult a physician as necessary.
Do not disassemble or forcibly open the image drum or toner cartridge. Otherwise, the toner may scatter, which
people may inhale or may stain clothes and hand.
This machine uses a CR2032 lithium battery.
It is not required to replace the built-in lithium battery during the service life of this machine.
Before disposing of the lithium battery for any reason, insulate the positive and negative poles with cellophane tape, etc.,
and then dispose of it in accordance with laws or regulations of your local government.
Mixing with other metals or batteries may cause smoke or explosion.
Do not throw it in the garbage disposed of at the garbage disposal site.

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Cautions
エネルギースターについて
当社は国際エネルギースタープログラムの参加事業者として、本製品が国際エネルギースタープログラムの基
準に適合していると判断します。
ENERGY STAR®プログラムの対象となる国は、日本です。
その他の国々では対象となりません。
紙幣、有価証券などの印刷について
紙幣（外国紙幣を含む）、国債証券、地方債券、郵便切手、印紙などを複製・印刷すること、または本物
と紛らわしいものを作ることは、使用する意図がなくても犯罪となり罰せられます。
以下のものを、本物と偽って使用する目的で複製・印刷することは、犯罪として罰せられます。
株券・手形・小切手などの有価証券
公務員又は役所が作成した証明書などの文書
契約書等、権利義務や事実証明に関する文書
役所または公務員の印影、署名、記号
私人の印影または署名
著作権法により保護されている著作物（書籍、雑誌、絵画、地図、写真など）を著作者に無断で複製する
ことは、個人または家庭内その他これに準ずる限られた範囲内で使用する場合を除き、違法となります。
関係法律
刑法、紙幣類似証券取締法、印紙等模造取締法、郵便切手等模造等取締法、外国ニ於テ流通スル貨幣
紙幣銀行券証券偽造変造及模造ニ関スル法律、著作権法
インターネットへの接続について
プリンター・複合機は、電気通信事業者（移動通信会社、固定通信会社、インターネットプロバイダ等）の通
信回線（公衆無線 LAN 含む）に直接接続することはできません。
プリンター・複合機をインターネットに接続する場合は、必ずルーター等を経由して接続してください。
（平成 31 年総務省令第 12 号）

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電波障害防止について
この装置は、クラス B機器です。この装置は住宅環境で使用することを目的としていますが、この装置がラジ
オやテレビジョン受信機に近接して使用されると受信障害を引き起こすことがあります。取扱説明書に従って
正しい取り扱いをしてください。
VCCI-B
高調波規制について
この装置は、「高調波電流規格 JIS C 61000-3-2 適合品」です。
本製品を日本国外へ持ち出す場合の注意
本製品（ソフトウェアを含む）は日本国内仕様のため、修理・保守サービスおよび技術サポートなどの対応は、
日本国外ではお受けできませんのでご了承ください。
また、日本国外ではその国の法律または規制により、本製品を使用できないことがあります。このような国で
は、本製品を運用した結果罰せられることがありますが、当社といたしましては一切の責任を負いかねますの
でご了承ください。
VOC（揮発性有機化合物）の放散
粉塵、オゾン、スチレン、ベンゼン、TVOC および超微粒子の放散については、エコマーク No.155「複写機・
プリンタなどの画像機器」の物質エミッションに関する認定基準を満たしています。（トナーは OKI 純正トナ
ーカートリッジを使用し、印刷を行った場合について、試験を実施しました。）

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Trademarks
OKI is a registered trademark of Oki Electric Industry Co., Ltd.
ENERGY STAR®is a trademark of the United States Environmental Protection Agency.
Microsoft, Microsoft Edge, Windows and Windows Server are registered trademarks or trademarks of Microsoft
Corporation in the United States and other countries.
Apple, AirPrint, AirPrint logo, App Store, Bonjour, iPad, iPhone, iPod, iPod touch, Mac, macOS and Safari are
trademarks of Apple Inc., registered in the United States and other countries and regions.
iOS is OS name of Apple Inc. IOS is a registered trademark or trademark of Cisco in the United States and
other countries and is used under license.
Mopria®Print Service and the Mopria logo are registered trademarks of Mopria®Alliance.
IPP Everywhere™ and the IPP Everywhere logo are trademarks of The Printer Working Group.
Google, Android, Chromebook, Chrome OS and Google Play are trademarks of Google LLC.
Adobe, Acrobat and Reader are either registered trademarks or trademarks of Adobe Inc. in the United States
and/or other countries.
Wi-Fi, Wi-Fi Alliance, WPA , WPA2 and Wi-Fi Protected Setup are registered trademarks or trademarks of
Wi-Fi Alliance in the United States and other countries.
Other product names and brand names are registered trademarks or trademarks of their proprietors.

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About this manual
This section lists a variety of information about this machine. Please read through this manual before using the
machine.
Manual structure
User's Manual (PDF)...Available on the website. You can also download it to read.
Online Manual...available on the website.
About this manual
The reproduction of this manual, in whole or in part, without permission is strictly prohibited.
The content of this manual may be changed without a prior notice in the future.
Efforts have been exerted to make the content of this manual as complete as possible. However, should
you notice any errors, omissions or other problems, contact the retail store where you made the purchase.
Notwithstanding the foregoing, we shall not have any liability in regard to any operational effect related to
the instructions contained in this manual.
Copyrights
All rights belong to Oki Electric Industry Co., Ltd. This manual may not be reproduced, transcribed or translated
without permission. Be sure to obtain the written approval from Oki Electric Industry Co., Ltd.
©2022 Oki Electric Industry Co., Ltd.
About the description
This section describes the marks, symbols, abbreviations and illustrations used in this manual.
This manual uses B842 as an example for illustration purposes unless otherwise specified.
This manual uses screens of the following operating systems unless otherwise specified.
For Windows: Windows 10
For macOS: macOS 10.15
Sometimes, the model name is written as [OKI Printer].
Depending on the used OS, model and version, the description in this manual may differ.
About marks
This manual uses the following marks.
Mark
Meaning
Indicates cautions and restrictions for the correct operation of this machine. Be sure to read them to
avoid misoperation.
Indicates useful tips and references on how to use this machine. We recommend you read them.
Indicates reference items. Please read them to learn the detailed information.

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About symbols
This section describes the symbols used in this manual and their meanings.
Symbol Meaning
« » Indicates buttons on the operator panel of this machine.
Indicates keys on the PC keyboard.
[ ] Indicates menu names, item names, options, etc. displayed on the display.
Indicates menus, windows and dialog box names displayed on the PC screen.
They can be clearly distinguished in the description and procedure illustration.
" " Indicates messages and input texts displayed on the display.
Indicates file names on the PC.
Indicates item titles of link destinations.
- Indicates the menu path of this machine or the PC.
Indicates that paper shall be loaded in the paper tray in landscape orientation.
Indicates that paper shall be loaded in the paper tray in portrait orientation.

Read this first
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Features of this machine
Easy maintenance with front access
You can replace consumables and maintenance parts, and clear most paper jams from the front side.
Immediate start of printing thanks to short warm-up time
The warm-up time of this machine has been shortened in comparison with conventional models.
Massive printing possible with the extension tray
Up to three extension trays can be installed.
Easy update by using the Monitoring Tool
You can update the firmware and the software easily by using the Monitoring Tool.
In addition, you can set the screen to notify you of the replacement time of maintenance parts so that you
can apply for COREFIDO free maintenance parts service.
Please refer to the COREFIDO Guide for COREFIDO free maintenance parts service.
The maintenance parts include the maintenance kit (the fuser and the transfer roller) and the feed roller
assembly.
Check the replacement time of maintenance parts and apply for a free one(P.262)
Easy mobile printing and initialization with the NFC and app
You can print and initialize this machine by using the specialized application from your NFC-compatible
smartphone, tablet or other mobile devices.
Web page
You can manage this machine by accessing the web page of this machine from the web browser of your
PC or mobile device like a smartphone or tablet.
Managing the machine from the web page(P.213)
For the difference between B842 and B822, please refer to "Specifications(P.440)".

Preparing and connecting this machine to your PC
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Preparing and connecting this
machine to your PC
About Installation...................................................................................... 18
Unpacking ................................................................................................ 21
Checking the accessories ........................................................................ 25
Installing optional accessories ................................................................. 27
Connecting the power cord ...................................................................... 41
Loading paper in the tray ......................................................................... 43
Connecting via a wired LAN..................................................................... 46
Connection form via a wireless LAN ........................................................ 51
Connecting via an access point (Infrastructure)....................................... 52
Connecting directly with this machine (AP mode).................................... 64
Connecting via USB ................................................................................. 68
Installing software on a PC ...................................................................... 69

Preparing and connecting this machine to your PC
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About Installation
Installation environment
Install this machine in the following environment.
Ambient temperature: 10℃~ 32℃
Ambient humidity: 20% ~ 80% RH (relative humidity)
Max. wet-bulb temperature: 25℃
Make sure there is no condensation. Otherwise malfunction may be caused.
If the ambient relative humidity is 30% or less, use a humidifier or static prevention mat.
The operating noise of this machine may be a concern depending on the installation environment. If the operating
noise is a concern, it is recommended to install this machine in a remote location or in a separate room.
Do not install this machine near combustion appliances that produce combustion emissions. Otherwise, the printing
may be lighter.
Do not install it close to high-temperature locations or naked flames.
Do not install it in locations where chemical reactions occur (e.g., laboratories).
Do not install it close to combustible solutions such as alcohol and thinners.
Do not install it within reach of little kids.
Do not install it in an unstable location (e.g., unsteady tables and sloping locations).
Do not install it in humid or dusty locations, or in locations exposed to direct sunlight.
Do not install it in environments with salt air, corrosive gas, NOx or SOx.
Do not install it in locations subject to frequent vibration.
Do not install it in locations where the air vents of this machine are blocked.
Do not install directly on long-hair rugs or carpets.
Do not install in locations with poor air circulation or ventilation like sealed rooms.
Ensure adequate ventilation if using it continuously for long hours in a small room.
Keep it away from strong magnetic fields and noise sources.
Keep it away from monitors and TVs.
To move the machine, stand in front of and behind the machine, hold the handle at the bottom of the machine, and
carry it.

Preparing and connecting this machine to your PC
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Installation space
Install this machine on a flat desk which is larger than its bottom.
Keep sufficient space around this machine as shown in the following figure.
Plan view
Unit: cm
B822dn B842dn
A
33.5
B
100
C
10
D
10
Side view
Depending on the installation environment, the temperature inside this machine may rise and the printing speed
may decrease.
Unit: cm
B822dn
B842dn
E
54.2
60.6
F
44.2
50.6

Preparing and connecting this machine to your PC
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Side view (When paper with a length of 297mm or above is loaded in the paper cassette)
Depending on the installation environment, the temperature inside this machine may rise and the printing speed
may slow down.
Do not place flammable materials such as curtains and paper on the back of this machine.
Unit: cm
B822dn B842dn
G
20