Oki B6250n User manual

Reference Guide
B6250/B6500
B6250/B6500

B6250/B6500 User’s Guide> ii
Adobe, the Adobe logo, PostScript, PostScript 3 and the PostScript logo are
trademarks of Adobe Systems Incorporated. Microsoft, Windows, Windows
NT, Windows Server are either registered trademarks or trademarks of
Microsoft Corporation in the United States and/or other countries.
Permission has been obtained from Microsoft Corporation for use of software
screen shots. PCL, HP, HP-GL, HP-GL/2 and HP-UX are registered trademarks
of Hewlett-Packard Corporation. Netware is a registered trademark of Novel,
Inc., in the United States and other countries. Macintosh, MacOS, AppleTalk,
EtherTalk and TrueType are trademarks of Apple Computer, Inc., registered
in the U.S. and other countries. Intel and Pentium are trademarks or
registered trademarks of Intel Corporation or its subsidiaries in the United
States and other countries. UNIX is a registered trademark of the Open
Group in the United States and other countries. Solaris, SunOS and NIS
(Network Information Services) are trademarks or registered trademarks of
Sun Microsystems, Inc. in the United States and other countries. All product/
brand names are trademarks or registered trademarks of the respective
holders.
Data Loss in Hard Disk/Compact Flash Disk
Saved data may be lost if the hard disk/compact flash in the machine breaks down
due to external shocks or if the power is accidentally cut off in a manner not following
the methods listed in manuals or other documentation. OKI is not responsible for such
data loss and any consequence caused by such data loss.
Damage related to computer virus
OKI is not responsible for any breakdown of machines due to infection of computer
virus.
Important
This manual is copyrighted with all rights reserved. Under the copyright laws, this
manual may not be copied or modified in whole or part, without the written consent
of the publisher.
Parts of this manual are subject to change without prior notice.
We welcome any comments on ambiguities, errors, omissions, or missing pages.
Never attempt any procedure on the machine that is not specifically described in this
manual. Unauthorized operation can cause faults or accidents. OKI is not liable for any
problems resulting from unauthorized operation of the equipment.

B6250/B6500 User’s Guide> iii
P REFACE
Thank you for choosing this printer. This is a guide on operating this
printer and the important points to note. To understand the features
fully and to use the printer correctly and effectively, please read this
guide before using it.
Keep this guide handy for a quick reference on using the printer.
This guide is written with the assumption that you are familiar with
the basic knowledge and way of operating your computer
environment and the network environment.
In this manual, safety instructions are described with the following
symbol:
Always read and follow these instructions before performing the
required procedure.
This product is a “Class I Laser System” that does not emit
dangerous laser beam. Operate the machine according to the
instructions in the manual. Do not carry out any operation not
mentioned in the manual. Otherwise, it may lead to unforeseen
accident or machine breakdown.

B6250/B6500 User’s Guide> iv
C ONVENTIONS
1. In this guide, “computer” refers to both the personal
computer and workstation.
2. The following headers are used in this guide:
Important Indicates important information which you
should read.
Note Indicates additional information on operations or
features.
Refer to Indicates reference sources.
3. The following conventions are used in this guide:
Refer to “xxx”The cross-reference is within this guide.
Refer to YYY The cross-reference is not within this guide.
[ ] Indicates items displayed on the computer and
the printer control panel. Also indicates the title
of printed reports/lists from the printer.
< > Indicates items such as hard buttons and
indicators on the keyboard and printer.

B6250/B6500 User’s Guide> v
L OW P OWER M ODE F EATURE
This product has a power-saving feature, which switches the
machine to the low power mode automatically if the machine is on
and not operated for a certain period of time. In this mode the
machine stops power to the fuser and saves power consumption.
The default low power mode start time is set at 15 minutes.
You can set the low power mode start time between 5 and 240
minutes.

B6250/B6500 User’s Guide> vi
I LLEGAL C OPIES AND P RINTOUTS
Copying or printing certain documents may be illegal in your
country. Penalties of fines or imprisonment may be imposed on
those found guilty. The following are examples of items that may be
illegal to copy or print in your country.
•Currency
•Banknotes and checks
•Bank and government bonds and securities
•Passports and identification cards
•Copyright material or trademarks without the consent of the
owner
•Postage stamps and other negotiable instruments
This list is not inclusive and no liability is assumed for either its
completeness or accuracy. In case of doubt, contact your legal
counsel.

B6250/B6500 User’s Guide> 7
T ABLE O F C ONTENTS
User Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iv
Low Power Mode Feature . . . . . . . . . . . . . . . . . . . . v
Illegal Copies and Printouts . . . . . . . . . . . . . . . . . .vi
Basic Operations . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Main Components and Their Functions . . . . . . . . . 11
Standard Configuration . . . . . . . . . . . . . . . . . . 11
With Optional Accessories . . . . . . . . . . . . . . . . 12
Internal View . . . . . . . . . . . . . . . . . . . . . . . . . 13
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Print Screen. . . . . . . . . . . . . . . . . . . . . . . . . . 15
Menu Screen . . . . . . . . . . . . . . . . . . . . . . . . . 16
Switching On and Off the Power . . . . . . . . . . . . . . 17
Switching On the Power. . . . . . . . . . . . . . . . . . . . 17
Switching Off the Power . . . . . . . . . . . . . . . . . . . 17
Power Saver Modes. . . . . . . . . . . . . . . . . . . . . . . 18
Exiting the Power Saver Mode . . . . . . . . . . . . . 18
Cancelling/Checking Printing . . . . . . . . . . . . . . . . 19
Cancelling Printing . . . . . . . . . . . . . . . . . . . . . 19
Checking Status of Print Data . . . . . . . . . . . . . 20
Displaying Optional Accessory Configuration
and Paper Tray Settings . . . . . . . . . . . . . . . . . . 20
Printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Printing From the Computer. . . . . . . . . . . . . . . . . 22
Useful Print Features In Properties Dialog Box . . 22
Printing on Envelopes . . . . . . . . . . . . . . . . . . . . . 23
Loading Envelopes . . . . . . . . . . . . . . . . . . . . . 23
Printing on Envelopes . . . . . . . . . . . . . . . . . . . 24
Printing on Transparencies. . . . . . . . . . . . . . . . . . 25
Loading Transparencies. . . . . . . . . . . . . . . . . . 25
Printing on Transparencies . . . . . . . . . . . . . . . 25
Printing on Custom Size Paper/Long Paper . . . . . . 26
Loading Custom Size Paper . . . . . . . . . . . . . . . 26
Setting Custom Paper Sizes. . . . . . . . . . . . . . . 26
Printing on Custom Size Paper . . . . . . . . . . . . . 28
Print Confidential Document - Secure Print . . . . . . 29
About Secure Print . . . . . . . . . . . . . . . . . . . . . 29

B6500 User’s Guide> 8
Stored Job. . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Configuring Secure Print . . . . . . . . . . . . . . . . . 30
Proof Print - Print After Checking Printing Result . . 31
About Proof Print . . . . . . . . . . . . . . . . . . . . . . 31
Configuring Proof Print . . . . . . . . . . . . . . . . . . 32
Print at a Specified Time - Timed Job . . . . . . . . . . 34
Registering Timed Job. . . . . . . . . . . . . . . . . . . 34
Cancelling Timed Job . . . . . . . . . . . . . . . . . . . 34
Direct Printing of PDF Files. . . . . . . . . . . . . . . . . . 36
Printing PDF File. . . . . . . . . . . . . . . . . . . . . . . 36
Printing via Electronic Mail - E-mail Printing . . . . . . 37
Environment Settings for E-mail Printing. . . . . . 37
Sending E-mails . . . . . . . . . . . . . . . . . . . . . . . 37
Printing Barcoding Using PCL . . . . . . . . . . . . . . . . 44
Intelligent barcoding. . . . . . . . . . . . . . . . . . . . 44
About Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
About Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Usable Paper . . . . . . . . . . . . . . . . . . . . . . . . . 45
Unusable Paper . . . . . . . . . . . . . . . . . . . . . . . 48
Storing and Handling Paper . . . . . . . . . . . . . . . 49
Loading Paper . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Loading Paper in a Paper Tray . . . . . . . . . . . . . 49
Automatic Tray Selection . . . . . . . . . . . . . . . . 51
Setting Custom Paper Sizes . . . . . . . . . . . . . . . . . 52
Setting Paper Types . . . . . . . . . . . . . . . . . . . . . . 54
Settings on the Control Panel . . . . . . . . . . . . . . . . 57
About this Chapter . . . . . . . . . . . . . . . . . . . . . . . 57
Control Panel Features . . . . . . . . . . . . . . . . . . . . 57
LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Menu Screen . . . . . . . . . . . . . . . . . . . . . . . . . 59
Navigating the Control Panel Menus . . . . . . . . . 59
Menu Structure . . . . . . . . . . . . . . . . . . . . . . . 61
Print Jobs Menu . . . . . . . . . . . . . . . . . . . . . . . . . 65
Information Menu . . . . . . . . . . . . . . . . . . . . . . . . 66
Print Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Media Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Sys Config Menu. . . . . . . . . . . . . . . . . . . . . . . . . 76
PCL Emulation . . . . . . . . . . . . . . . . . . . . . . . . . . 78
FX Emulation . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Parallel Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Serial Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
USB Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Network Menu . . . . . . . . . . . . . . . . . . . . . . . . . . 88

B6250/B6500 User’s Guide> 9
Sys Adjust Menu. . . . . . . . . . . . . . . . . . . . . . . . . 91
Date/Time Menu. . . . . . . . . . . . . . . . . . . . . . . . . 95
Maintenance Menu . . . . . . . . . . . . . . . . . . . . . . . 97
Usage Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Flash Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Disk Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Comp FLASH Menu . . . . . . . . . . . . . . . . . . . . . . 103
Job Accounting . . . . . . . . . . . . . . . . . . . . . . . . . 105
Spooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 107
When Paper Jams . . . . . . . . . . . . . . . . . . . . . . . 107
When Problems Occur . . . . . . . . . . . . . . . . . . . . 111
When the Print Quality is Poor . . . . . . . . . . . . . . 117
Message List . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Message List (alphabetical order) . . . . . . . . . 121
Network Related Troubles . . . . . . . . . . . . . . . . . 125
Using TCP/IP . . . . . . . . . . . . . . . . . . . . . . . . 125
For Windows NT 4. 0/Windows 98/
Windows 2000/Windows XP . . . . . . . . . . . . . 127
Using Printer Web Page. . . . . . . . . . . . . . . . . 128
Mail Related Troubles . . . . . . . . . . . . . . . . . . . . 129
Networks and Systems . . . . . . . . . . . . . . . . . . . . 130
Checking/Managing the Printer Status
on the Computer. . . . . . . . . . . . . . . . . . . . . . . 130
Settings For Network . . . . . . . . . . . . . . . . . . 130
Computer OSs . . . . . . . . . . . . . . . . . . . . . . . 130
Browsers. . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Web Browser Settings. . . . . . . . . . . . . . . . . . 131
Setting Up Printer Networking . . . . . . . . . . . . 132
IP Filter Feature via IP Address List . . . . . . . . 133
Novell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Netware . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Queue-based printing . . . . . . . . . . . . . . . . . . 133
Novell Printing Mechanisms . . . . . . . . . . . . . . 134
Novell Protocols . . . . . . . . . . . . . . . . . . . . . . 136
Daily Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Toner Coverage Average . . . . . . . . . . . . . . . . . . 137
Replacing the Drum/Toner Cartridge . . . . . . . . . . 139
Caution on Handling the Drum/Toner Cartridge 140
Replacing the Drum/Toner Cartridge . . . . . . . 140
Printing Reports/Lists . . . . . . . . . . . . . . . . . . . . 143
Types of Reports/Lists . . . . . . . . . . . . . . . . . 143

B6500 User’s Guide> 10
Printing Job Accounting Summary . . . . . . . . . 143
Printing Storage Summary . . . . . . . . . . . . . . 144
Checking Printer Status via E-mail . . . . . . . . . . . 145
About Email Send Service . . . . . . . . . . . . . . . 145
Settings for Email Send. . . . . . . . . . . . . . . . . 146
Setting the Email Send Environment
(at This Printer) . . . . . . . . . . . . . . . . . . . . . 146
Setting the Printer Driver Properties . . . . . . . . 148
Job Accounting. . . . . . . . . . . . . . . . . . . . . . . 149
Checking Printed Pages . . . . . . . . . . . . . . . . . . . 150
Checking Total Printed Pages on Meter . . . . . . 150
Cleaning the Printer . . . . . . . . . . . . . . . . . . . . . 151
Cleaning the Exterior . . . . . . . . . . . . . . . . . . 151
Cleaning the Interior. . . . . . . . . . . . . . . . . . . 151
Cleaning the Feed Roll . . . . . . . . . . . . . . . . . 153
When Moving the Printer . . . . . . . . . . . . . . . . . . 155
Appendix A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
PCL Emulation Symbol Sets . . . . . . . . . . . . . . . . 157
Appendix B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
How Barcoding Works . . . . . . . . . . . . . . . . . . . . 158
Interpretation of Font Selection Parameters. . . . . 160
Barcode Symbology . . . . . . . . . . . . . . . . . . . . . 160
Human Readable Interpretation (HRI)
Output Control . . . . . . . . . . . . . . . . . . . . . . 161
Human Readable Interpretation (HRI)
Font Control. . . . . . . . . . . . . . . . . . . . . . . . 162
Barcode Height Specification . . . . . . . . . . . . . 162
Bar Width Configuration . . . . . . . . . . . . . . . . 163
Function 1 parameter interpretation . . . . . . . . 163
Function 2 parameter interpretation . . . . . . . . 164
Space Width Configuration . . . . . . . . . . . . . . 164
Code 128 Control Codes . . . . . . . . . . . . . . . . 165
PCL Escape Sequence Example . . . . . . . . . . . 165
Parameter Meaning . . . . . . . . . . . . . . . . . . . 165
Another PCL ESCAPE SEQUENCE EXAMPLE . . . 166
Parameter Meaning . . . . . . . . . . . . . . . . . . . 166
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

B6250/B6500 User’s Guide> 11
B ASIC O PERATIONS
M AIN C OMPONENTS AND T HEIR F UNCTIONS
S TANDARD C ONFIGURATION
NO. NAME DESCRIPTION
1 Center output
tray
Print jobs are output here with the printed side facing
down.
2 Control panel Consists of the essential operation buttons, indicators
and display.
3 Ventilation hole Releases heat to prevent the interior of the printer
from heating up.
4 Paper meter A meter to check the amount of remaining paper.
Attached to the 550 tray.
5 Tray 1 Sets the 150 tray.
6 Tray 2 Sets the 550 tray.
7 Power switch Switches the power of the printer on and off. Pressing
the switch to the <|> position switches it on and
pressing it to the <0> position switches it off.
8 Paper stopper Raise this when printing on paper larger than Letter/A4
size.
9 Duplex unit
connector
For connecting the optional duplex unit.
12
8
7
3
654
13 12
11
3
3910
14

B6250/B6500 User’s Guide> 12
W ITH O PTIONAL A CCESSORIES
10 Power cord
connector
For connecting the power cord.
11 Parallel
connector
For connecting the parallel cable.
12 Network
connector
For connecting the network cable when connecting this
printer to the network for use.
13 USB connector For connecting the USB cable.
14 Serial connector For connecting the serial cable.
NO. NAME DESCRIPTION
1 Offset catch tray
(optional)
Allows you to stagger the output position for each
print job (offset output).
2CoverD
(optional)
Open this when paper is jammed inside the offset
catch tray.
3Reartray
(optional)
Use this tray if you want to reduce curling of paper
when printing heavyweight paper. Print jobs are
output here with the printed side facing up.
4 Duplex unit
(Cover C)
Enables 2 sided printing. When paper is jammed
inside the duplex unit, it is described as cover C.
NO. NAME DESCRIPTION
12
4
5
3
6
7

B6250/B6500 User’s Guide> 13
I NTERNAL V IEW
5 Rear output tray
lever
When the rear tray has been installed, the paper
output location can be switched between it and the
center output tray. Raise the lever to output to the
rear tray and lower the lever to output to the center
output tray.
6 A4 universal tray Can install up to two levels of an Letter/A4
universal tray (550) to this printer.
7 Right detachable
cover
Remove this when installing optional accessories
such as hard disk and additional memory.
NO. NAME DESCRIPTION
1 Paper stopper Raise this when printing on paper larger than A4 size.
2 Drum/toner
cartridge
Contains the toner and the photosensitive drum.
3 Cover A Open this when replacing the drum/toner cartridge
and removing jammed paper.
4 Fuser unit Fixes the toner on the paper. Do not touch this when
using the printer as it is hot.
5 Transfer roll
cartridge
Transfers the toner image on the surface of the
photosensitive drum to the paper.
6 Cover B Open this when removing jammed paper.
NO. NAME DESCRIPTION
5
32
146

B6250/B6500 User’s Guide> 14
C ONTROL P ANEL
Note: see “Settings on the Control Panel” on page 57 for further
detail.
NO. NAME DESCRIPTION
1 <Menu> button Press to move to menu operation.
2 <Info> button Press to print the menu map. The menu map (2 pages)
will print with all the current printer settings.
3<Ready>
indicator
When the light is on, the printer is ready to receive
data from the computer.
4 LCD display Displays the setting items, machine status, and
messages.
5 <Attention>
indicator
When the light is on, there is a malfunction in the
printer.
6 <On-Line>
button
Press to enter the off-line status. When in the off-line
status, the machine cannot receive data or process
printing. Press again to exit the off-line status and
enter the on-line status (where the machine can
receive data from the computer).
7 <Cancel> button Press to cancel printing.
Press to exit Menu Mode.
8 <Select> button Press to enter the menu item currently displayed.
9<>
<>
<>
<>
Press these buttons to move to the required menu,
item and candidate value on the display.
12
34
5
6
7
8
9

B6250/B6500 User’s Guide> 15
D ISPLAY
There are two types of screens shown: Print screen (for displaying
printer status) and Menu screen (for setting configuration).
NOTE
The message displayed differs according to the options installed
and setting status.
P RINT S CREEN
The Print screen appears when the machine is printing or waiting for
data. The following contents are shown on the screen.
Current printer status
Printing
USB
Port Receiving Data
(USB, Net, LPD, Etc.)
Language
(PCL, PS, etc.)
PCL

B6250/B6500 User’s Guide> 16
M ENU S CREEN
Screen for configuring settings related to the printer.
This screen appears when you press the <MENU> button. The initial
Menu screen displayed is as follows.
Refer to:
•Items that can be set on the Menu screen: “Settings on the
Control Panel” on page 57
Print Jobs Menu

B6250/B6500 User’s Guide> 17
S WITCHING O N AND O FF THE P OWER
S WITCHING O N THE P OWER
1. Press the power switch of the printer
to the <|> position.
2. When the power is switched on,
various screens will be displayed on
the control panel. Check that this
display changes to “Online”.
NOTE
When “Please wait...” is displayed, the printer is in the process of
warming up. Printing is unavailable during this period. When the
printer is ready for printing, “Online” will be displayed.
Important:
•If error message is displayed, refer to “Message List
(alphabetical order)” on page 121 on how to fix it.
S WITCHING O FF THE P OWER
Important:
•Do not switch off the printer power when printing is in
progress. It may lead to a paper jam.
•Once the power is switched off, print data remaining in this
printer or information saved in the memory of this printer will
be deleted.
1. By checking the display on the
control panel, confirm that the
printer is not processing any
data. “Online” or “Power Saver
Mode” should be displayed.
2. Press the power switch to the <O>
position to switch the power off.
Online

B6250/B6500 User’s Guide> 18
P OWER S AVER M ODES
This printer is equipped with a low power mode to reduce power
consumption when it is left idle.
When no print data is received for 15 minutes, the printer will enter
the low power mode. Consumption of power during the Power Saver
mode is 10 W or less.
E XITING THE P OWER S AVER M ODE
The printer automatically cancels its power save status once it
receives data from the computer.

B6250/B6500 User’s Guide> 19
C ANCELLING /C HECKING P RINTING
C ANCELLING P RINTING
To cancel printing, you can either cancel the print job at the printer
or at the computer.
Cancelling a Print Job at the Printer
Press the <CANCEL> button then press the <ON-LINE> button on
the control panel. However, pages being printed at the moment will
continue to be printed.
Cancelling Print Jobs at the Computer
Double-click the printer icon at the bottom right of the taskbar
in Windows.
From the displayed window, click the document name that you wish
to delete and press the <Delete> key.

B6250/B6500 User’s Guide> 20
C HECKING S TATUS OF P RINT D ATA
Checking in Windows
Double-click the printer icon on the task bar at the bottom right
of the screen.
From the displayed window, check the column, [Status].
D ISPLAYING O PTIONAL A CCESSORY C ONFIGURATION
AND P APER T RAY S ETTINGS
When using this printer as a network printer and with SNMP protocol
enabled, you can display on the printer driver, the optional
accessory configuration and settings configured at the control panel
such as paper type or size. The printer can by used on network, USB
or parallel. These settings are displayed on the [Options] tab. This
section explains the procedure using Windows XP as an example.
Important:
•When using a serial connection to this printer, this feature
cannot be used. You have to manually set the items on the
printer driver.
•The rear tray information cannot be obtained automatically.
You have to manually set the item.
•For paper size and paper type settings, you must configure
them at the control panel beforehand. Even if you change the
settings here, they will not be reflected on the printer itself.