Oki OKIOFFICE 84 User manual

Service Guide OKIOFFICE 84
Chapter 0 About This Manual
Front Cover
OKIOFFICE 84
MULTIFUNCTIONAL PRODUCTS
Adobe Acrobat printable reference copy
of the OKIDATA Service Training Manual.
10/01/99
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Table of Contents Page
Service Guide OKIOFFICE 84
0 About This Manual
Read Me First 2
Copyright 3
1 General Information
1.1 General Performance 4
1.2 General User's Function 5
1.3 General Maintenance Functions 6
1.4 General Appearance 7
....1.4.1 General Appearance of OKIOFFICE 84 8
....1.4.2 Control Panel 9
1.5 Basic Performance Specifications 10
....Table 1.5.1 (1/9) Basic Performance Specifications 11
....Table 1.5.1 (2/9) Basic Performance Specifications 12
....Table 1.5.1 (3/9) Basic Performance Specifications 13
....Table 1.5.1 (4/9) Basic Performance Specifications 14
....Table 1.5.1 (5/9) Basic Performance Specifications 15
....Table 1.5.1 (6/9) Basic Performance Specifications 16
....Table 1.5.1 (7/9) Basic Performance Specifications 17
....Table 1.5.1 (8/9) Basic Performance Specifications 18
....Table 1.5.1 (9/9) Basic Performance Specifications 19
1.6 Reports and Lists 20
....1.6.1 Reports & List Specifications (1/2) 21
....1.6.1 Shows Reports and Lists (2/2) 22
........Call-back Message Format: (Example) 23
........Sender ID Format: (Example) 24
........TSI Printing and Local Date and Time Printing Format:
(Example) 25
........Power Outage Report Format: (Example) 26
........Activity Report Format: (Example) 27
........Active Memory Files 28
........Message Confirmation Report Format: (Example) 29
........Broadcast Entry Report Format: (Example) 30
........Broadcast Confirmation Report Format: (Example) 31
........Confidential Reception Report Format: (Example) 32
........Telephone Directory: Example 33
........Configuration Report (User) 34
........Service Default Report (Configuration Report: Service
bit=ON) 35
2 Installation
2.1 General Setup Information 36
2.2 Site Selection 37
2.3 Unpacking 38
2.4 Check of Contents 39
2.5 Installation of Attachments 40
2.6 AC Cord Connection 41
2.7 Telephone and Line Connections 42
2.8 Packing for Shipment 43
2.9 Initial Settings 44
....2.9.1 General Procedure of Key Operation 45
........Key Operation Flowchart 46

Table of Contents Page
....2.9.2 Technical Functions 47
........Service Personnel Initial Settings Table 2.9.2 (1/7) 48
........Service Personnel Initial Settings Table 2.9.2 (2/7) 49
........Service Personnel Initial Settings Table 2.9.2 (3/7) 50
........Service Personnel Initial Settings Table 2.9.2 (4/7) 51
........Service Personnel Initial Settings Table 2.9.2 (5/7) 52
........Service Personnel Initial Settings Table 2.9.2 (6/7) 53
........Service Personnel Initial Settings Table 2.9.2 (7/7) 54
........TEL/FAX Automatic Switching 55
........TEL/FAX Mode Flow Chart 56
........TAD Mode Flow Chart (Type 1) 57
........TAD Mode Flow Chart (Type 2) 58
....2.9.3 Technical Functions Example 59
........Technical Functions 01 to 11 (Table 2.9.3, 1/5) 60
........Technical Functions 12 to 16 (Table 2.9.3, 2/5) 61
........Technical Functions 24 to 27 (Table 2.9.3, 3/5) 62
........Technical Functions 17 to 23 (Table 2.9.3, 4/5) 63
........Technical Functions 28 to 31 (Table 2.9.3, 5/5) 64
....2.9.4 User's Functions 65
........User's Function Table 2.9.4 (1/5) 66
........User's Function Table 2.9.4 (2/5) 67
........User's Function Table 2.9.4 (3/5) 68
........User's Function Table 2.9.4 (4/5) 69
........User's Function Table 2.9.4 (5/5) 70
........User's Initial Settings 71
........Table 2.9.4 (1/5) User's Initial Settings (One-touch key
Program) 72
........Table 2.9.4 (2/5) User's Initial Settings (One-Touch Key) 73
........Table 2.9.4 (3/5) User's Initial Settings (One-Touch Key
Program) 74
........Table 2.9.4 (4/5) User's Initial Settings (One-Touch Key
Program) 75
........Table 2.9.4 (5/5) User's Initial Settings (One-Touch Key
Program) 76
........Table 2.9.4 (1/5) User's Initial Settings (Functions
Program) 77
........Table 2.9.4 (2/5) User's Initial Settings (Functions
Program) 78
........Table 2.9.4 (3/5) User's Initial Settings (Functions
Program) 79
........Table 2.9.4 (4/5) User's Initial Settings (Functions
Program) 80
........Table 2.9.4 (5/5) User's Initial Settings (Functions
Program) 81
....2.9.5 User's Functions Example 82
........Table 2.9.5 (1/3) User's Functions 83
........Table 2.9.5 (2/3) User's Functions 84
........Table 2.9.5 (3/3) User's Functions 85
........2.9.5 User's Functions 86
........2.9.5 User's Functions Example 87
........2.9.5 User's Functions Example 88

Table of Contents Page
........2.9.5 User's Functions Example 89
....2.9.6 Clock Adjustment 90
....2.9.7 Dual Access Operation 91
....2.9.8 System Data Programming 92
....2.9.9 Dial Parameter Settings 93
........Procedure 94
........Default Settings of Dial Parameters 95
........Dial Parameters Settings (Table 2.9.9) 96
....2.9.10 Off-line Tests 97
........Self-Diagnosis Print Test (Example) 98
3 Brief Technical Description
Electrophotographic Process Flow 99
3.1 Fundamentals of the Electro-Photographic Process 100
3.2 Actual Electrophotographic Process 101
3.3 Board and Units 102
....Block Diagram (Figure 3.3.1) 103
3.4 Overall Dimension and Mechanical Structure 104
4 Disassembly
4.1 General 105
....4.1 Precautions for Parts Replacement 106
....4.2 Tools 107
....4.3 How to Disassemble and Reassemble 108
........Disassembly Procedure Flow Figure 4.3 (1/2) 109
........Disassembly Procedure Flow Figure 4.3 (2/2) 110
........Whole Unit Picture 111
........4.3.1 LED Print Head 112
........4.3.2 Image Drum Unit, Rear-cover, Cover-Main and
Board-NCU 113
........4.3.3 Unit 0-48 OPE-Panel 114
........4.3.4 Separation Rubber, Sensor Frame Roller Assembly
(U) 115
........4.3.5 Roller Assembly-ADF, CIS, Lever-PC1 and PC2 116
........4.3.6 Board-R51, Power Supply Unit, Board HV-P6L 117
........4.3.7 Printer Unit Section 118
........4.3.8 Transfer Roller 119
........4.3.9 High-Voltage Power Supply Unit (TLHV/OLHV) 120
........4.3.10 Holder Assembly 121
........4.3.11 Plate-Side M and Gear-Idle 122
........4.3.12 Registration Roller 123
........4.3.13 Drive Shaft E (Eject) and Eject Roller 124
........4.3.14 Heat Assembly 125
........4.3.15 Pressure Roller B (Back Up Roller) 126
........4.3.16 Hopping Shaft Assembly 127
........4.3.17 Paper Sensor E, Paper Sensor Exit and Toner
Sensor Assembly 128
........4.3.18 Printer Unit 129
5 Adjustments
5.1 Setting of LED Print Head Drive Time 130
....Settings of Technical Function No. 26 (Table 5.1.1) 131
....5.2.1 Confirmation Items 132
....5.2.2 Measurement 133

Table of Contents Page
6 Cleaning and Maintenance
6.1 Replacement of Consumables 134
....User Replaceable Items Life 135
....Service Parts Life 136
....Consumables Diagram (Figure 6.1.1) 137
........Reliability Table (6.1.1) 138
6.2 Preventative Maintenance 139
....Preventative Maintenance (Table 6.2.1) 140
........Preventative Maintenance Diagram (Figure 6.2.1) 141
6.3 Printer Counter Display/Clear (User) 142
6.4 Printer Counter Display/Clear (Service) 143
6.5 Self-Diagnosis Test 144
....Self-Diagnosis Test Sample (Figure 6.5.1) 145
6.6 Sensor Calibration Test 146
6.7 LED Test 147
6.8 Tone Send Test 148
6.9 High-Speed Modem Send Test 149
....High-Speed Modem Send and Receive Test Diagram (Figure
6.9.1) 150
6.10 High-Speed Modem Receive Test 151
6.11 MF Send Test 152
6.12 Tone (TEL/FAX) 153
6.13 Protocol Data Dump Printing 154
....Data Dump description (Figure 6.13.1) 155
....Analysis from the Data (Figure 6.13.2) 156
....Facsimile Control Field Conversion Table 157
6.14 System Reset 158
6.15 Service Code 159
....Service Code list [Table 6.15.1] (1/2) 160
....Service Code list [Table 6.15.1] (2/2) 161
7 Troubleshooting
7.1 Overview 162
....7.1 Overall Troubleshooting Flow Chart 163
....7.2 No LCD Operation 164
....7.3 ALARM LED On 165
....7.4 Printing Test Failure 166
....7.5 No Local Copy 167
....7.6 Auto Dial Failure 168
....7.7 Transmission Problem 169
....7.8 Auto Reception Failure 170
....7.9 Reception Problem 171
....7.10 Sensor Calibration Test 172
....7.11 LED Test 173
....7.12 Tone Send Test 174
....7.13 High-Speed Modem Test 175
....7.14 MF Send Test 176
....7.15 Tone (TEL/FAX) Send Test 177
....7.16 No Acoustic Line Monitor 178
....7.17 Power Supply Unit 179
....7.18 No Document Feeding 180
....7.19 Multiple Document Feeding 181

Table of Contents Page
....7.20 Document Skew 182
....7.21 Document Jam 183
....7.22 Printer Unit 184
........7.22.1 Precaution 185
........7.22.2 Troubleshooting Flow Charts of Printer Unit 186
............Troubleshooting flow chart 1: 187
............1: Top Cover is Open 188
............2: Replace Image Drum Message 189
............3: Engine Controller Error 190
............4: Fuser Unit Thermal Error 191
............5: Paper Jams 192
............6: No Paper Tray or No Paper 193
............Sample Image Problems (Figure 7.22.1) 194
............Action Items (Printer Unit-LCD Message) Table 7.22.2 195
............7: Light or Blurred Output 196
............8: Smeared Background on Output 197
............9: Blank Output 198
............10: Vertical Black Stripes on Output 199
............11: Evenly Spaced Marks on Output 200
............12: Missing Print on Output 201
............13: Vertical White Stripes on Output 202
............14: Poor Fusing 203
A Board Descriptions
Preface 204
Service Caution 205
A1.1 Unit Configuration and Block Diagram 206
....OKIOFFICE 84 Block Diagram Figure (A1.2.1) 207
....Block Diagram Abbreviations 208
A1.2 Function of Each Unit 209
....Main Control (R51) Board 210
....Operation Panel Unit: O4W board 211
....NCU Board 212
....Power Supply Unit 213
A2.1 Signal Flow Explanation 214
....Copy Mode 215
....Copy Picture Signal (Figure A2.1) 216
....G3 Send Mode 217
....G3 Send Picture Signal (Figure A2.2) 218
....G3 Receive Mode 219
....G3 Receive Picture Signal (Figure A2.3) 220
....300 bps Send Mode 221
....300 bps Send Signal (Figure A2.4) 222
....300 bps Receive Mode 223
....300 bps Receive Signal (Figure A2.5) 224
....Report Printing 225
....Report Print Signal (Figure A2.6) 226
....Memory Transmission 227
....Memory Reception 228
....A3.1.1 R51 Circuit Diagram (Page 1/12) 229
....A3.1.2 R51 Circuit Diagram (Page 2/12) 230
....A3.1.3 R51 Circuit Diagram (Page 3/12) 231

Table of Contents Page
....A3.1.4 R51 Circuit Diagram (Page 4/12) 232
....A3.1.5 R51 Circuit Diagram (Page 5/12) 233
....A3.1.6 R51 Circuit Diagram (Page 6/12) 234
....A3.1.7 R51 Circuit Diagram (Page 7/12) 235
....A3.1.8 R51 Circuit Diagram (Page 8/12) 236
....A3.1.9 R51 Circuit Diagram (Page 9/12) 237
....A3.1.10 R51 Circuit Diagram (Page 10/12) 238
....A3.1.11 R51 Circuit Diagram (Page 11/12) 239
....A3.1.12 R51 Circuit Diagram (Page 12/12) 240
....A3.1.13 Sensor and Switch Control Figure 241
....A3.1.14 Fuser Unit Temperature Control Figure 242
....A3.1.15 High/Medium Voltages Control Figure 243
....A3.1.16 Related Signals of IEXSEED Figure 244
A3.2 OPE (04W) Circuit Diagram 245
A3.3 Power Supply Unit for OKIOFFICE 84 246
....A3.3.1 048 POW (120V/230V) Circuit Diagram 247
....Block Diagram of 048 POW (Figure A3.5.1) 248
A3.4 P2H Circuit Diagram 249
A3.5 UNC, WN5, FN5 and DN5 Circuit Diagram 250
B Print Operation Description
B1.1 Electrophotographic Processor 251
....Schematic Drawing of OKIOFFICE 84 Paper Feeding 252
B1.2 Electrophotographic Process 253
.... Electrophotographic Process Diagram (Figure B1.3) 254
B.2.1 Operations Process Explanation 255
....Hopping 256
....Printing and Warm-up 257
....Charging 258
....Exposure 259
....Development 260
....Transfer 261
....Fusing 262
....Cleaning 263
B.3 Paper Jam Detection 264
....Paper Feed Check List 265
....Timing Chart for Paper Feed (Tray Feed) 266
B.4 Toner Low Detection 267
B.5 Cover Open 268
C Illustrated Parts List
Illustrated Parts List 269
Section 1: Cabinet Assembly 1/2 270
Section 1: Cabinet Assembly 2/2 271
Section 2: Printer Unit 272
Section 3: Operator Panel 273
Section 4: Operator Panel Assembly 274
Section 5: Frame Assembly Scanner (L) 275
Section 6: Plate Assembly-Scanner (B) 276
Section 7: Plate Assembly-Scanner (R) 277
Section 8: Frame Assembly-Scanner (U) 278
Section 9: Cover Assembly-Top 279
Section 10: Plate Assembly-Base 280

Table of Contents Page
Section 11: Printer Base Frame Unit (1 of 2) 281
Section 11: Printer Base Frame Unit (2 of 2) 282
Section 12: Cables 283

Page: 2
Service Guide OKIOFFICE 84
Chapter 0 About This Manual
Read Me First
Kit Contents
Upon receiving the kit, verify that it contains the items listed below.
This Read Me First SheetlQuick StartlCertification ManuallHardware HandbooklService ManuallSoftware GuidelWord Scan Plus User’s Guidel
Missing Items
If any items are missing, please contact OKIDATA Order Processing at the appropriate number listed below.
Facsimile: 609-222-5022
Voice: 800-727-8654
You must provide the information listed below.
Okidata Authorization Number (Dealer Number)
Okidata Customer Number
Order Acknowledgement Number (on the invoice)
Part Number of Kit
Completing the Course
Refer to the Certification Manual for information on completing the course.
P/N 58323301
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 3
Service Guide OKIOFFICE 84
Chapter 0 About This Manual
Copyright
This document may not be reproduced without the written permission of Okidata Training and Publications. Every
effort has been made to ensure the accuracy of the information contained in this training course. Okidata is not
responsible for errors beyond its control.
Copyright / About Information
Copyright 1999 by Okidata All rights reserved.
Written by Okidata Training and Publications
Contact
Please address any comments on this publication to:
Mailing Address Okidata Training and Publications
2000 Bishops Gate Blvd.
Mount Laurel, NJ 08054-3499
Web Site www.okidata.com
Copyright Listing
OKIDATA is a registered trademark of Oki Electric Industry Company, Ltd.; marques deposee de Oki Electric
Industry Company, Ltd.; marca registrada, Oki Electric Industry Company, Ltd.
Faxable Facts is a trademark, All Rights Reserved, 1993
IBM, PC, PC-DOS, and Proprinter XL are registered trademarks of International Business Machines Corporation.
Microsoft and MS-DOS are registered trademarks and Microsoft Basic, Windows, TrueImage, and TrueType are
trademarks of Microsoft Corporation.
Okilink II is a trademark of Oki Electric Industry Company, Ltd.
ZIP Code is a registered trademark of the United States Postal Service.
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 4
Service Guide OKIOFFICE 84
Chapter 1 General Information
1.1 General Performance
1Type of appearance
Desktop typel
2Applicable lines
Public switched telephone network (PSTN)lPrivate branch exchange (PBX)l
3Compatibility ITU-T Group 3 facsimile transceiver
ITU-T Group 3 facsimile transceiverl
4Document width
Max. 216 mm (8.5 inches [North American Letter])lMin. 148 mm (5.83 inches [ISO A5 size])l
5Effective reading width
Max. 215 mm (8.46 inches)l
6Scanning length
128 mm to 356 mm (5.06 inches to 14 inches)l(Length setting: Infinite is also available.)
7Automatic document feeder (ADF)
20 sheets for OKIOFFICE84 North American Letter/A4-size: 20-1b bondl15 sheets (North American Letter/A4-size: 16 to 28-1b bond/60-105 gm)l
8Recording paper or sheet
First tray: North American Letter/Legal/A4-size plain paper cutlOKIOFFICE 84 100 sheets capacity (20-1b bond*)
Manual loading feeder: Transparency for overhead projector, applicable. OKIOFFICE 84lSheet size: Letter/Legal/A4-size
* Oki Data Recommended paper
9Printable width For OKIOFFICE84
North American: 203.2 mm (8 inches) / 203.2 mm (8 inches) for assured qualitylNorth American Legal: 203.2 mm (8 inches) / 203.2 mm (8 inches) for assured qualitylISO A4: 203.2 mm (8 inches) / 197.3 mm (7.77 inches) for assured qualityl
10 Printable length
NA Letter: 273.4 mm (10.76 inches) / 266.7 mm (10.49 inches) for assured qualitylNA Legal: 349.6 mm (13.76 inches) / 342.9 mm (13.49 inches) for assured qualitylISO A4: 291 mm (11.46 inches) / 284.3 mm (11.19 inches) for assured qualityl
11 Copy stacker
Maximum 30 sheets (20 lb. bond *)l*: Recommended paper
12 Scanning resolution
a) Horizontal
8 pels/mml
b) Vertical
Transmission mode:
STD 3.85 line/mmlFINE 7.7 line/mmlEX. FINE 15.4 line/mmlCOPY mode: FINE 7.7 line/mmlEX. FINE) 15.4 line/mml
Note: In the local COPY mode at standard (STD) resolutions, the dpi conversion is done from
300 dot/inch to 200 dot/inch.
13 Scanning method
2592 bits contact image sensorl

14 Recording resolution)
Horizontal: 300 dots/inch
b) Vertical:
Variable:
Automatically adjusted to the paper length.lSTD mode (3.85 to 5.06 line/mm)lFINE mode (7.7 to 10.13 line/mm)lFixed: STD mode: 3.85 line/mmlFINE mode: 7.7 line/mmlEX-FINE mode : 15.4 line/mm : 300 dot/inchl
15 Recording method
211.3 mm (2496 bit) or 216.7 mm (2560 bit)l
16 Minimum scan line time for reception
When receiving from OKIFAX or ECM: 0 mslWhen receiving from non- OKIFAX and non ECM: 10 ms at 3.85 line/mm 5 ms at 7.7lline/mm
17 Print speed
Max. 8 sheets per minute (at NA letter size) (6 PPM in the PC print mode if the paperlwidth is 128 mm or less)
18 Pre-heating time
Approx. 20 sec. (Standby to print)l
19 Coding scheme
Modified Huffman (MH)lModified READ (MR)lModified Modified READ (MMR)l
20 Modem (Rev. 2)
ITU-T Rec. V.29: 9600 bps for use on point-to-point 4-wire leased telephone type circuits.lITU-T Rec. V.27 ter: 4800 bps modem for use in GSTN (General Switched TelephonelNetwork)
ITU-T Rec. V.21 channel 2: 300 bps duplex modem for GSTNlITU-T Rec. V.17: 2-wire modem for fax applications up to 14.4 kbpsl
21 Transmission speed
6 sec. per sheet of ITU-T No. 1 sample documentl
Note: This is Phase C time at 3.85 line/mm and 28800 bps for 3 sec. and 14400 bps for 6
sec. in MMR code transmission.
22 Protocol
ITU-T Rec. T.30lOKI special protocols: High-speed protocoll
23 Error correction mode (ECM)
24 Communication mode
Half duplexl
25 Image memory
Basic model: 1 M bytel
26 Liquid crystal display (LCD)
Two rows of 20 characters for operation guidance, check and various kinds of informationl
27 Power source
Nominal input voltage 120 VAC for ODA versionlNominal input voltage 230 VAC for INT'L versionl
28 MFP (Multi- Function Peripheral) function
The optional board (CTR board) provides the MFP functions
PC Printer FunctionlPC Scanner FunctionlPC Fax Modem FunctionlLocation Programming Functionl
NA = North America
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 5
Service Guide OKIOFFICE 84
Chapter 1 General Information
1.2 General User's Function
1Transmit mode
Automatic transmit modelManual transmit model
2Receive mode
Automatic receive modelManual receive modelTEL/FAX automatic switchover modelTAD modelMemory only receive modelPC receive mode (This function is the standard for OKIOFFICE of ODA)l
3Dual Access
4Advanced T.30 protocol
5Dual access
6Voice request
7Automatic redial
8Last number redial (Manual redial)
9Local copy including multiple copies
Maximum 50 copies of documentl
10 Sender identification (Sender ID)
11 Personal identification (Personal ID)
12 Polling transmission
Feeder Polling transmissionlMemory Polling transmissionl
13 Polling reception
14 Bulletin polling
15 Acoustic line monitor
16 Automatic alternate selecting call (FAX No. + FAX No. can be registered in one-touch keys).
17 Delayed transmission (Maximum length of delay 3 days)
Delayed broadcastlDelayed transmissionl15 specified time
18 Relay broadcast initiate
19 Confidential message transmission
20 Confidential message reception
8 mail boxes
21 PHOTO mode (at FINE resolution)
64 scale gradationsl
22 G3 sequential broadcast (Memory)
Broadcast model90 stations at maximum
Delayed broadcast model
23 No paper/no toner reception
24 Memory-only reception
(Memory reception even if paper does not run out)
25 Distinguishing text from picture
26 Page re-transmission (Only in case of memory TX mode)
27 Reduction printing (Reduction rate is from 100% to 75%.) (Legal to Letter)
28 Horizontal reduction (RX, copy: Reduction rate is from 93% to 98%)
29 Smoothing printing (In case of 8 dots/mm x 3.85, 7.7 or 1.54 lines/mm ---> 300 dots/inch x 784 line/inch)
* Turns off in the PC print mode.
30 Programmed key operation ("F" key + "OT" key)
31 Auto dialing

One-touch dialing - 10 locationslTwo-digit automatic dialing - 70 locationslKeypad dialinglChain dialinglMixed dialinglGroup dialing - 5 dialing groupsl
32 Realtime dialing
(In case of optional handset is installed or Hook key is pressed.)
33 Automatic pause signal insertion
34 Manual feeder local copy
35 Telephone directory (Alpha search) dialing
36 TEL/FAX automatic switching
37 Time and date printing
38 Closed users group (Direct mail rejection)
39 Transmission contrast and resolution control
40 Key touch tone
41 Printer counter display (For drum, toner, total print)
42 Total page counter (Scan)
43 Quick scanning 6 sec. minimum ---> A4 size 3.85 line / mm
44 Time and date setting
45 PC interface
Standardl
46 Language selection
2 languages (LCD and Reports)lEnglish / Spanish
English / Portuguese
47 Reports
Activity reportlActive memory files reportlProtocol reportlMessage confirmation report (Single address and multiple addresses)lBroadcast entry report (Broadcast)lTransmission error reportlConfidential reception reportlConfiguration reportlTelephone directorylPower outage reportl
48 Restricted access
49 Continuous alarm tone
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 6
Service Guide OKIOFFICE 84
Chapter 1 General Information
1.3 General Maintenance Functions
1Self-diagnosis
CPU ROM/RAM checklFLASH memory check (Program, Language, Default)lRAM checklPrint testl
2Sensor calibration (Adjustment of scanning level)
3LED test
4Tone send test
5Multi-frequency (MF) send test
6High-speed modem send test
7High-speed modem receive test
8Tone (TEL/FAX) test
9Remote diagnosis
10 System reset
11 Service default report (Machine setting for service engineer)
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 7
Service Guide OKIOFFICE 84
Chapter 1 General Information
1.4 General Appearance
Figure 1.4.1 shows the general appearance of the OKIOFFICE 84
Figure 1.4.2 Control Panel
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 8
Service Guide OKIOFFICE 84
Chapter 1 General Information
1.4.1 General Appearance of OKIOFFICE 84
Figure 1.4.1 shows the general appearance of the OKIOFFICE 84
Figure 1.4.1 General Appearance of OKIOFFICE84
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 9
Service Guide OKIOFFICE 84
Chapter 1 General Information
1.4.2 Control Panel
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 10
Service Guide OKIOFFICE 84
Chapter 1 General Information
1.5 Basic Performance Specifications
Table 1.5.1 (1/9) Basic Performance Specifications
Table 1.5.1 (2/9) Basic Performance Specifications
Table 1.5.1 (3/9) Basic Performance Specifications
Table 1.5.1 (4/9) Basic Performance Specifications
Table 1.5.1 (5/9) Basic Performance Specifications
Table 1.5.1 (6/9) Basic Performance Specifications
Table 1.5.1 (7/9) Basic Performance Specifications
Table 1.5.1 (8/9) Basic Performance Specifications
Table 1.5.1 (9/9) Basic Performance Specifications
Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Page: 11
Service Guide OKIOFFICE 84
Chapter 1 General Information
Table 1.5.1 (1/9) Basic Performance Specifications
No. Item Specifications
1Applicable line 1) General switched telephone network (GSTN)
2) Private branch exchange (PBX) (OT9+2)
2Line interface
1) Impedance 600 Ohms balanced
Note: Impedance may differ by the requirement of PTT.
2) Sending power level 0 dBm to -15 dBm range
(Adjustable in 1 dB steps. TF + 21)
3) Receiving power level 0 dBm to -40 dBm or -6 dBm to -43 dBm
3Type of document to be
transmitted
1) Width Max. 216 mm (NA Letter)
Min: 148 mm (ISO A5 size)
Note: Effective reading width is NA Letter 215 mm)
2) Length Min. 128 mm
Max. 356 mm (14 inches)
Long document detection: 380 mm, or 150 mm
* TF + 10 (To enable or disable the long document scanning)
3) Thickness Based on common bond paper
a) 0.08 to 0.13 mm for multiple page feeding
b) 0.06 to 0.15 mm for single page feeding
4) Shape Rectangular
5) Opacity Documents allowing less than 40% of the scanner source light to
pass through them.
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