Oki OKIOFFICE84 User manual

40672201TH Rev. 4
OKIOFFICE84, OKIFAX 4500
Maintenance Manual
Fourth Edition
October, 1999
Oki Data Corporation

40672201TH Rev. 4
This manual is intended to be used for installing and maintaining OKIOFFICE84, OKIFAX 4500
facsimile transceiver.
Maintenance of the OKIOFFICE84, OKIFAX 4500 is assumed to be conducted at the following
levels:
• Assembly-level maintenance for mechanical portions
• Unit-level maintenance for electrical at portions
CAUTION: DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY REPLACED.
REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE RECOMMENDED BY THE
MANUFACTURER. DISCARD USED BATTERIES ACCORDING TO THE
MANUFACTURER'S INSTRUCTIONS
and
ATTENTION: IL Y A DANGER D'EXPLOSION S'IL Y A REMPLACEMENT INCORRECT
DE LA BATTERIE. REMPLACER UNIQUEMENT AVEC UNE BATTERIE DU MEME
TYPE OU D'UNT TYPE RECOMMANDE PAR LE CONSTRUCTEUR. METTRE AU
REBUT LES BATTERIES USA GEES CONFORMEMENT AUX INSTRUCTIONS DU
FABRICANT.
Programming procedures of the following uses's functions are not described in this maintenance
manual.
Please refer to user's guide.
• One-touch key programming
• Two-digit auto dial programming
• Group setting
• Programming mail box password
• Memory operation
ODA/OEL, INT'L MODEL NAME
© Copyright 1998 Oki Data Corporation
This manual is subject to alteration without prior notification.
PREFACE
ODA OEL/INT'L
OKIOFFICE84 OKIFAX 4500

40672201TH Rev. 4
Document Revision History
Title: OKIOFFICE84, OKIFAX 4500 Maintenance Manual
Revision
Number Revision Date Change Author
Item Comments
Jan. 30, '98
Dec. 15, '98
Apr. 26, '99
Sep. , '99
E3 Hanazawa
E3 Endo
E5 Kondo
E3 Endo
ISSUE
Proofreading
Proofreading
Correction of page 6-1 to 6-3, 6-13 and 6-25.
Correction of page A3-18, 19 and 24.
Addition of page A3-41.
Correction of page B-11.
Correction of R51 circuit diagrams, R51 parts list,
WN5 parts list (3/3), DN5 parts list (4/4), FN5 parts list
(3/3), MPW1446 circuit diagram, MPW1446 parts list,
P2H parts list (2/3) and 6L parts list (1/1).
Correction of page F-1.
Addition of Troubleshooting Manual.
Correction of illustrations and parts list.
Page D-8, 11, 12, 16, 18, 20 and 29.
Addition of Page 1-3 (item 29)
Correction of Page 1-7, 1-19, 2-17, 2-44 and 2-48
Addition of FAX2NET Function
Chapter 1
Chapter 2
Chapter 6
Appendix A
Appendix B
Appendix C
Appendix F
Appendix H
Appendix D
Chapter 1
and 2
Appendix I
1
2
3
4

1 40672201TH Rev. 4
CONTENTS
CHAPTER 1 GENERAL INFORMATION
1.1 General Performance...........................................................................................................1-1
1.2 General User's Function ...................................................................................................... 1-4
1.3 General Maintenance Functions ..........................................................................................1-7
1.4 General Appearance............................................................................................................1-8
1.5 Basic Performance Specifications .......................................................................................1-10
1.6 Reports and Lists .................................................................................................................1-19
CHAPTER 2 INSTALLATION PROCEDURE
A. Setup Information.....................................................................................................................2-1
2.1 General ................................................................................................................................2-1
2.2 Site Selection .......................................................................................................................2-3
2.3 Unpacking ............................................................................................................................2-5
2.4 Contents Identification .........................................................................................................2-7
2.5 Installation of Attachments...................................................................................................2-8
2.6 AC Cord Connection ............................................................................................................2-13
2.7 Telephone and Line Connections ........................................................................................2-14
2.8 Packing for Shipment...........................................................................................................2-14
B. Programming and Initial Settings ............................................................................................. 2-15
2.9 Initial Settings.......................................................................................................................2-15
2.9.1 General Procedure of Key Operation......................................................................2-15
2.9.2 Technical Functions ................................................................................................2-19
2.9.3 Techical Functions Example ...................................................................................2-31
2.9.4 User’s Functions .....................................................................................................2-38
2.9.5 User's Functions Example ......................................................................................2-55
2.9.6 Clock Adjustment .................................................................................................... 2-63
2.9.7 Dual Access Operation ...........................................................................................2-64
2.9.8 System Data Programming.....................................................................................2-65
2.9.9 Dial Parameters Settings ........................................................................................ 2-67
2.9.10 Off-line Tests...........................................................................................................2-71
2.9.11 On-line Tests...........................................................................................................2-73
CHAPTER 3 BRIEF TECHNICAL DESCRIPTION
3.1 Fundamentals of the Electro-Photographic Process............................................................3-2
3.2 Actual Electo-photographic Process ....................................................................................3-4
3.3 Boards and Units .................................................................................................................3-5
3.4 Overall Dimension and Mechanical Structure of OKIOFFICE84/OKIFAX 4500 ..................3-7
CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY
4. General ................................................................................................................................4-1
4.1 Precautions for Parts Replacement .....................................................................................4-1
4.2 Tools ....................................................................................................................................4-2
4.3 How to Disassemble and Reassemble ................................................................................4-2
4.3.1 LED Print Head .......................................................................................................4-6
4.3.2 ID Unit, Rear-Cover, Cover-Main and Board-NCU ............................................................... 4-7
4.3.3 Unit-048 OPE-Panel ...............................................................................................4-9
4.3.4 Separation Rubber, Roller Assembly Sensor .........................................................4-10
4.3.5 Roller Assembly-ADF, CIS (contact image sensor), Lever-PC1 and PC2.............. 4-11
4.3.6 Board-R51, Power Supply Unit, Board HV-P6L......................................................4-14
4.3.7 Printer Unit Section .................................................................................................4-15
4.3.8 Transfer Roller ........................................................................................................4-16

40672201TH Rev. 4 2
4.3.9 High-Voltage Power Supply Unit (HV-P2H) ............................................................4-17
4.3.10 Holder Assembly.....................................................................................................4-18
4.3.11 Plate Side M and Gear-Idle.....................................................................................4-19
4.3.12 Registration Roller ..................................................................................................4-20
4.3.13 Drive Shaft E (Eject) and Eject Roller .....................................................................4-21
4.3.14 Heat Assembly........................................................................................................4-22
4.3.15 Pressure Roller B (Back Up Roller) ........................................................................4-23
4.3.16 Hopping Shaft Assembly.........................................................................................4-24
4.3.17 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assembly .........................4-25
4.3.18 Printer Unit ..............................................................................................................4-26
CHAPTER 5 ADJUSTMENTS
5.1 Setting of LED Print Head Drive Time .................................................................................5-1
5.2.1 Confirmation Items...............................................................................................................5-2
5.2.2 Measurement .......................................................................................................................5-3
CHAPTER 6 CLEANING AND MAINTENANCE
6.1 Replacement of Consumable...............................................................................................6-1
6.2 Routine Inspection ...............................................................................................................6-3
6.3 Printer Counter Display/Clear ..............................................................................................6-5
6.4 Printer Counter Display/Clear ..............................................................................................6-7
6.5 Self-diagnosis Test ..............................................................................................................6-8
6.6 Sensor Calibration Test .......................................................................................................6-11
6.7 LED Test ..............................................................................................................................6-13
6.8 Tone Send Test ...................................................................................................................6-14
6.9 High-speed Modem Send Test ............................................................................................6-15
6.10 High-speed Modem Receive Test........................................................................................6-17
6.11 MF Send Test ......................................................................................................................6-18
6.12 Tone (TEL/FAX)...................................................................................................................6-19
6.13 Protocol Dump Data Printing ...............................................................................................6-20
6.14 System Reset.......................................................................................................................6-24
6.15 Service Code .......................................................................................................................6-25
CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIOFFICE84/OKIFAX
4500
7.1 Overall Troubleshooting Flow Chart ....................................................................................7-2
7.2 No LCD Operation ...............................................................................................................7-3
7.3 Alarm LED On......................................................................................................................7-4
7.4 Printing Test Failure.............................................................................................................7-5
7.5 No Local Copy .....................................................................................................................7-6
7.6 Auto Dial Failure ..................................................................................................................7-7
7.7 Transmission Problem .........................................................................................................7-8
7.8 Auto Reception Failure ........................................................................................................7-10
7.9 Reception Problem ..............................................................................................................7-11
7.10 Sensor Calibration Test .......................................................................................................7-13
7.11 LED Test ..............................................................................................................................7-14
7.12 Tone Send Test ...................................................................................................................7-15
7.13 High-speed Modem Test......................................................................................................7-16
7.14 MF Send Test ......................................................................................................................7-18
7.15 Tone (TEL/FAX) Send Test .................................................................................................7-19
7.16 No Acoustic Line Monitor .....................................................................................................7-20
7.17 Power Supply Unit ...............................................................................................................7-21
7.18 No Document Feeding .........................................................................................................7-22
7.19 Multiple Document Feeding .................................................................................................7-23
7.20 Document Skew...................................................................................................................7-24
7.21 Document Jam.....................................................................................................................7-26

3 40672201TH Rev. 4
7.22 Printer Unit ...........................................................................................................................7-27
7.22.1 Precautions .............................................................................................................7-27
7.22.2 Troubleshooting Flow Charts of Printer Unit...........................................................7-28
CHAPTER 8: DIPSWITCH SETTING TABLES
APPENDIX A: PC BOARD DESCRIPTIONS AND OPERATION
A.1.1 Unit Configuration and Block Diagram............................................................................... A1-1
A.1.2 Function of Each Unit......................................................................................................... A1-4
A.2.1 Explanation of Signal Flow................................................................................................. A2-1
A.3.1 MCNT Circuit Diagram ....................................................................................................... A3-1
A.3.2 OPE Circuit Diagram.......................................................................................................... A3-20
A.3.3 Power Supply Unit ............................................................................................................. A3-22
A.3.4 NCU Circuit Diagram ......................................................................................................... A3-26
APPENDIX B: DESCRIPTIONS OF PRINT OPERATION
B.1 Electro-photographic Processor...........................................................................................B-1
B.2 Electro-photographic Process..............................................................................................B-5
B.3 Paper Jam Detection ...........................................................................................................B-13
B.4 Toner Low Detection............................................................................................................B-15
B.5 Cover Open..........................................................................................................................B-16
APPENDIX C: CIRCUIT DIAGRAMS AND PARTS LIST
APPENDIX D: MECHANICAL EXPANDED VIEW DRAWING AND PARTS LIST
APPENDIX E: BOARDS LAYOUT
APPENDIX F: PC-LOADING
APPENDIX G: RMCS SYSTEM MANUAL (FOR MODEL 30)
APPENDIX H: TROUBLESHOOTING MANUAL
APPENDIX I: FAX2NET FUNCTION

40672201TH Rev. 4
CHAPTER 1
GENERAL INFORMATION

1 - 1 40672201TH Rev. 4
1.1 General Performance
(1) Type of appearance
• Desktop type
(2) Applicable lines
• General switched telephone network (GSTN)
• Private branch exchange (PBX)
(3) Compatibility
• ITU-T Group 3 facsimile transceiver
(4) Document width
• Max. 216 mm (NA Letter)
• Min. 148 mm (ISO A5 size)
(5) Effective reading width
• Max. 215 mm (NA Letter)
• Max. 208 mm (ISO A4 size)
(6) Scanning length
• 128 mm to 356 mm
(Length setting: Unlimited (1500mm) is also available.)
(7) Automatic document feeder (ADF)
• 20 sheets (NA Letter/A4-size: 20-1b bond/75 gm. Oki Data recommended paper)
• 15 sheets (NA Letter/A4-size: 16 to 28-1b bond/60-105 gm)
Note: NA is North America
(8) Recording paper or sheet
• 1st tray: NA Letter/NA Legal/A4-size plain paper cut
100 sheets capacity (20-1b bond*)
• Manual paper feeder: Transparency for overhead projector, applicable.
Sheet size: NA Letter/NA Legal/A4-size
*: Oki Data recommended paper
(9) Printable width
• NA Letter: 203.2 mm (203.2 mm for assured quality)
• NA Legal: 203.2 mm (203.2 mm for assured quality)
• ISO A4: 203.2 mm (197.3 mm for assured quality)
(10) Printable length
• NA Letter: 273.4 mm (266.7 mm for assured quality)
• NA Legal: 349.6 mm (342.9 mm for assured quality)
• ISO A4: 291 mm (284.3 mm for assured quality)
(11) Copy stacker
• Max. 30 sheets *: Oki Data recommended paper
(12) Scanning resolution
a) Horizontal:
• 300 dot/inch
Note: In the local COPY mode at stsndard (STD) resolutions, the dpi conversion is done
from 300 dot/inch to 200 dot/inch.

40672201TH Rev. 4 1 - 2
b) Vertical:
Transmission mode: 3.85 line/mm (STD), 7.7 line/mm (FINE), 15.4 line/mm (EX.FINE)
or 300 dot/inch (EX.FINE)
COPY mode: 3.85 line/mm (STD), 7.7 line/mm (FINE) or 15.4 line/mm
(EX.FINE)
(13) Scanning method
• 2592 bits contact image sensor
(14) Recording resolution
a) Horizontal:
300 dot/inch
b) Vertical:
Variable: Automatically adjusted to the paper length.
(300 to 412 dot/inch), STD mode (3.85 to 5.06 line/mm) and FINE
mode (7.7 to 10.13 line/mm) and EX-FINE mode (15.4 to 20.24
line/mm)
Fixed: STD mode: 3.85 line/mm
FINE mode: 7.7 line/mm
EX-FINE mode : 15.4 line/mm
: 300 dot/inch
(15) Recording method
• 211.3 mm (2496 bits) or 216.7 mm (2560 bits)
(16) Minimum scan line time for reception
• When receiving from OKIFAX or ECM: 0 ms
• When receiving from non- OKIFAX and non ECM: 10 ms at 3.85 line/mm
5 ms at 7.7 line/mm, 15.4 line/mm
(17) Print speed
• Max. 8 sheets per minute (at NA letter size)
(6PPM in the PC print mode if the paper width is 128 mm or less.)
(18) Pre-heating time
• Approx. 20 sec. (Standby to Print)
(19) Coding scheme
• Modified Huffman (MH)
• Modified READ (MR)
• Modified Modified READ (MMR)
(20) Modem
• ITU-T Rec. V.29: 9600 bps for use on point-to-point 4-wire leased telephone type curcuits.
• ITU-T Rec. V.27 ter: 4800 bps modem for use in GSTN (General Switched Telephone
Network)
• ITU-T Rec. V.21 channel 2: 300 bps duplex modem for GSTN
• ITU-T Rec. V.17: 2-wire modem for fax applications up to 14.4 kbps
(21) Transmission speed
• 6 sec. per sheet of ITU-T No. 1 sample document
Note: This is Phase C time at 3.85 line/mm and 14400 bps for 6 sec. in MMR code
transmission.
(22) Protocol
• ITU-T Rec. T.30
• OKI special protocols: High-speed protocol
(23) Error correction mode (ECM)

1 - 3 40672201TH Rev. 4
(24) Communication mode
• Half duplex
(25) Image memory
• Basic model: 1M byte
(26) Liquid crystal display (LCD)
• Two rows of 20 characters for operation guidance, check and various kinds of information
(27) Power source
• Nominal input voltage 120 VAC for ODA version
• Nominal input voltage 230 VAC for INT’L version
(28) MFP (Multi- Function Peripheral) functions:
PC Printer Function
PC Scanner Function
PC Fax Modem Function
Location Programing Function
Note: For details, see “Product Specification for MFP”
This function is standard in OKIOFFICE for ODA.
(29) FAX2NET functions:
• FAX over IP Function
• FAX to E-mail Function
• Virtual E-mail Function
• Web Retrieval Function
Note: For details, see Appendix I “FAX2NET Function”.

40672201TH Rev. 4 1 - 4
1.2 General User's Functions
(1) Transmit mode
• Automatic transmit mode
• Manual transmit mode
(2) Receive mode
• Automatic receive mode
• Manual receive mode
• TEL/FAX automatic switchover mode
• TAD mode
• Memory only receive mode
• PC receive mode (This function is the standard for OKIOFFICE of ODA)
(3) Instant dial
(4) Advanced T.30 protocol
(5) Dual access
(6) Voice request
(7) Automatic redial
(8) Last number redial (Manual redial)
(9) Local copy of a document, including multiple copies
• 50 copies max.
(10) Sender identification (Sender ID)
(11) Personal identification (Personal ID)
(12) Polling transmission
• Feeder Polling transmission
• Memory Polling transmission
(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 (Max. 3 days)
• Delayed broadcast
• Delayed transmission
5 specified times
(18) Relay broadcast initiate
(19) Confidential message transmission
(20) Confidential message reception
8 mail boxes
(21) PHOTO mode (at FINE resolution)
64 scale gradations

1 - 5 40672201TH Rev. 4
(22) G3 sequential broadcast (Memory)
• Broadcast mode
90 stations at maximum
• Delayed broadcast mode
(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) Vertical reduction printing (Reduction rate is from 100% to 75%)
(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 15.4 lines/mm →300 dot/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 locations
• Two-digit automatic dialing 70 locations
• Keypad dialing
• Chain dialing
• Mixed dialing
• Group dialing 5 groups
(32) Real-time dialing
Dialing with telephone off the hook or when the 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 3.85R/mm
(44) Time and date setting

40672201TH Rev. 4 1 - 6
(45) PC interface
• Standard: OKIOFFICE84
• Option: OKIFAX 4500
(46) Language selection
• 2 languages (LCD and Reports)
(47) Reports
• Activity report
• Active memory files report
• Protocol report
• Message confirmation report (Single address and multiple addresses)
• Broadcast entry report (Broadcast)
• Transmission error report
• Confidential reception report
• Configuration report
• Telephone directory
• Power outage report
(48) Restricted access
(49) Continuous alarm tone

1 - 7 40672201TH Rev. 4
1.3 General Maintenance Functions
(1) Self-diagnosis
• CPU ROM/RAM check
• FLASH memory check (Program, Language, Default)
• RAM check
• Print test
(2) Sensor calibration (Adjustment of scanning level)
(3) LEDs test
(4) Tone send test
(5) Multi-frequency (MF) send test
(6) High-speed modem send test
(7) High-speed modem receive test
(8) Tone (TEL/FAX) test
(9) Remote diagnosis
(10) System reset
(11) Service default report (Machine setting for service engineer)

40672201TH Rev. 4 1 - 8
Tray-Paper
Tray-Document
Cover-Top
Cover-Front
Stacker-Document
Cover Manual Document
Cover-Main
Case-OPE (T)
1.4 General Appearance
Figure 1.4.1 shows the general appearance of the OKIOFFICE84/OKIFAX 4500.
Figure 1.4.2 shows the control panel of the OKIFAX 4500.
Figure 1.4.1 General Appearance of OKIOFFICE84/OKIFAX 4500
(FX051 CP4.1 Fig. 01)

1 - 9 40672201TH Rev. 4
Figure 1.4.2 Control Panel of OKIFAX 4500
UNIQUE
8.5" A4 B5 A5
OKIFAX
AUTO REC SEARCH AUTO DIAL
HYPHEN REDIAL
HOOK
V.REQUEST
PHOTO EXFINE FINE STD LIGHT NORMAL DARK ALARM
STOP START
YES NO
OKI
*0#
ABC DEF
JKL MNO GHI
TUV WXYZ
PQRS
789
456
123
SELECT
FUNCTION
DELAYED
TX
REPORT
PRINT
PRINT
OPERATION
COUNTER
DISPLAY
CONF.TX
LOCATION
PROG.
RELAY
INIT.-TX
USER
PROG.
POLLNG
PRINTER
CLEANING
10/PAUSE
9/SPACE8/+7
6
54
321
COPY
4500

40672201TH Rev. 4 1 - 10
1.5 Basic Performance Specifications
Table 1.5.1 shows basic performance specifications.
Note: TF: Technical function setting
FP: Function program setting
OT: One-touch key pressed
F: SELECT FUNCTION key pressed
Table 1.5.1 (1/10) Basic Performance Specifications
No. Item Specifications
1 Applicable line
2 Line interface
1) Impedance
2) Sending power level
3) Receiving power level
3 Type of document to be transmit-
ted
1) Width
2) Length
3) Thickness
4) Shape
5) Opacity
1) General switched telephone network (GSTN)
2) Private branch exchange (PBX) (OT9+2)
600Ωbalanced
Note: Impedance may differ by the requirement of PTT.
0 dBm to –15 dBm range
(Adjustable in 1 dB steps. TF + 21)
0 dBm to –40 dBm or -6 dBm to -43 dBm
Max. 216 mm (NA Letter)
Min. 148 mm (ISO A5 size)
Note: Effective reading width is NA Letter (215 mm).
Min. 128 mm
Max. 356 mm (14 inches)
Long document detection: 380 mm, or 1500 mm
*TF + 10(Toenableor disable thelongdocumentscanning)
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
Rectangular
Documents allowing less than 40% of the scanner source
light to pass through them.

1 - 11 40672201TH Rev. 4
5 Automatic document feeder (ADF)
6 Document skew
7 Document jam detection
8 Document jam removal
Table 1.5.1 (2/10) Basic Performance Specifications
No. Item Specifications
Document width Communication
Mode/Paper width Effective reading
width Copy size
ISO A4 (210 mm)
[INT'L/FTZ] G3/A4 A4
208 mm for TX
203.2 mm for local copy
(208 mm for local copy with
Horizontal Reduction = ON)
NA letter (216 mm)
[US/CANADA] G3/A4 Letter
NA legal (216 mm)
[US/CANADA] G3/A4 Legal
215 mm for TX
203.2 mm for local copy
(214 mm for local copy with
Horizontal Reduction = ON)
215 mm for TX
203.2 mm for local copy
(214 mm for local copy with
Horizontal Reduction = ON)
Note Local copy: Printable reading width in local copy mode
4 Effective reading width
Max. 20 documents for OKIOFFICE84/OKIFAX 4500: NA
Letter or A4 (20-1b/75 gm)
Max. 15 documents: NA Letter or A4 (16-28 lb/60-105 gm
bond paper)
Documents shall be placed facedown on ADF stacker.
The first sheet will be fed first in the feeder and will exit
facedown in the document stacker.
Max. 2.6 mm skew over a document of A4 length.
For a document longer than A4 length, occurrence of skew
exceeding 2.6 mm over any A4 length is 0.5% or less.
(Except 13 lb)
1) Transmission will stop and line disconnection will occur
when the end of a document is not detected within 356
mmafterscanningbegins(exceptforthelongdocument
scanning. TF + 10)
2) A jam will also be declared if the document does not
reach the scanning position within 10 seconds after the
start of a document feed.
Note: When a jam is detected during message transmis-
sion from the feeder, the machine will stop scanning
and disconnect the line, but its receiving capability
will remain valid.
Manual release

40672201TH Rev. 4 1 - 12
Table 1.5.1 (3/10) Basic Performance Specifications
No. Item Specifications
9 Recording paper or sheet
10 Recording paper cassette
For tray-paper:
1) Type: Plain paper cut (Bond paper)
2) Size: ISO A4 (210 mm x 297 mm)
NALetter(215.9mmx279.4mm)/(8.5inch
x 11 inch)
NALegal(215.9mmx355.6mm)/(8.5inch
x 14 inch)
3) Weight: 16 lb-24 lb/60-90 gm base weight
Baseweightisdefinedastheweightof500
sheetsof 431.8 mm (17 inch) by558.8 mm
(22 inch) or 1 sheet size 1000 mm by 1000
mm.
4) Thickness: 0.08 mm to 0.12 mm
5) Condition: New paper
For the manual loading feeder
1) Type: Plainpaper,transparencyforoverheadpro-
jector, colored paper, printed paper
2) Size: A4/NA Letter/NA Legal
3) Weight, thickness and condition: Same as above
Note: One single sheet should be loaded on the manual
paper feeder for one occasion.
For best results use Oki Data recommended papers
1) Xerox 4200 (20 - lb/base weight paper)
2) L-type paper for photo-printers
100 sheets/tray (Oki Data recommended paper)

1 - 13 40672201TH Rev. 4
Table 1.5.1 (4/10) Basic Performance Specifications
No. Item Specifications
2) Guaranteed printing area
Printing area
EL
PL
B
T
LR
PW
EW
Recording
paper
feed
direction
(F050-C1-001)
1) Printable area
PL 11 279.4 11.7 297 14 355.6
inch mm inch mm inch mm
NA LETTER SIZE ISO A4 SIZE 14 inch LEGAL SIZE
PW 8.5 216 8.27 210 8.5 216
EL 10.76 273.4 11.46 291 13.76 349.6
EW 8.0 203.2 8.0 203.2 8.0 203.2
T 0.12 3 0.12 3 0.12 3
B 0.12 3 0.12 3 0.12 3
L 0.25 6.35 0.13 3.4 0.25 6.35
R 0.25 6.35 0.13 3.4 0.25 6.35
13 inch LEGAL SIZE
13
inch mm
8.5
12.76
8.0
0.12
0.12
0.25
0.25
330.2
216
324.2
203.2
3
3
6.35
6.35
PL 11 279.4 11.7 297 14 355.6
inch mm inch mm inch mm
NA LETTER SIZE ISO A4 SIZE 14 inch LEGAL SIZE
PW 8.5 216 8.27 210 8.5 216
EL 10.5 266.7 11.2 284.3 13.5 342.9
EW 8.0 203.2 7.77 197.3 8.0 203.2
T 0.25 6.35 0.25 6.35 0.25 6.35
B 0.25 6.35 0.25 6.35 0.25 6.35
L 0.25 6.35 0.25 6.35 0.25 6.35
R 0.25 6.35 0.25 6.35 0.25 6.35
13 inch LEGAL SIZE
13
inch mm
8.5
12.5
8.0
0.25
0.25
0.25
0.25
330.2
216
317.5
203.2
6.35
6.35
6.35
6.35
11 Effective recording area
Note: These tables do not
include vertical and hori-
zontal addressing devia-
tions (+ or –3 mm) of re-
cording paper.