OKIDATA OKIOFFICE 44 Service Manual Download Page 247

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Board Descriptions

A - 4

OKIOFFICE 44

Service Manual, P/N 59276801

OKI OFFICE44 Block Diagram Figure (A1.2.1)

LED

LCD

DRV.

LCDC

Key switch

matrix

OPE. CPU

OPE

Handset

TEL(option)

NCU

L1, L2

T1, T2

: A circuit which conducted by sub-power supply unit

at the time of a standby state.

SUB +5V

PC1

AMP

Speaker

X' tal

MODEM

14.4 kbps

IOGA3 3/4:

Peripheral

control

1284 control

CS generation

I/O port

DMA 2ch

Driver

CTR (PCIF)

SUB +5V

X' tal

20 MHz

Mask ROM

512 KB(x16)

FLASH

512 KB(x16)

DRAM

512 KB (x8)

x 2

CPU

SH7034

IOGA3 3/4:

High-voltage

control

RTC

X' tal

BAT

MEM (option)

P-SRAM (1 MB)

512 KB (x8) x2

IOGA3 1/4:

Scanning

control

-8V

A/D

DRV.

PC1

IOGA3 2/4:

Printer control

OST-EX

Buffer 640 bytes

Decoding (RLE,

TIFF, ACC32)

200-300 converter

Smoothing

A4 image

sensor

8 dots/mm

PC1

PC2

S-motor

D-motor

LED head

300 dpi

Clutch

Heater

Thernistor

AC Output

ON/OFF

Main

Switching

Poewr Supply

Sub-Power

Supply

Low-voltage Power Supply Unit

AC (120/240V)

High-voltage

Power Supply

Manual feeder

sensor

Write sensor

Outlet sensor

Toner sensor

Cover open

High-voltage power supply board

SUB +5V

0VP

0VL

+5V

+24V

SUB +5V

-8V

ACON

Hook

RAM1/2

IC2

MASK

FLS

IC3

IC2

IC6

IC2

SIG

TA1

IC2

IC9

HDATA0/1

IC5

IC8

CN5

CN3

CN1

CN14

CN15

CN2

CN7

CN6

CN1

CN9

CN10

CN3

CN1

CN4

CN11/12

CN13

CN1/2

CN99

SDATA0 to SDATA5

Address/data/control

bus etc.,

Analog SW

IC11

TLHV(OLHV)

FX048PSU(120V/230V)

CN3

32.768kHz

29.4912MHz

04W

R44

Receiver

1284-I/F

UNC-5 PCB

Summary of Contents for OKIOFFICE 44

Page 1: ...Thank You for purchasing this Factory Service Manual on EBAY from PCTECHINFO Click Here for more Factory Service Manuals for other Computer and Printer Copier Manufacturers from PCTECHINFO...

Page 2: ...All specifications are subject to change without notice Service Manual OKIOFFICE 44 59276801...

Page 3: ...t Laurel NJ 08054 3499 Web Site www OKIDATA com Telephone 609 235 2600 Facsimile 609 222 5320 OKILINK Login Name Technical Training Copyright Listing OKIDATA is a registered trademark of Oki Electric...

Page 4: ...14 Key Operation Flowchart 2 15 2 9 2 Technical Functions 2 18 Service Personnel Initial Settings Table 2 9 1 1 7 2 19 Service Personnel Initial Settings Table 2 9 1 2 7 2 20 Service Personnel Initial...

Page 5: ...4 2 48 User Function Program Settings Table 2 9 4 4 4 2 49 2 9 5 User s Functions Example 2 50 Function Program 2 50 User s Functions Table 2 9 5 1 2 2 51 User s Functions Table 2 9 5 2 2 2 52 Ring R...

Page 6: ...E Panel 4 10 4 1 3 4 Separation Rubber Sensor Frame Roller Assembly U 4 11 4 1 3 5 Roller Assembly ADF CIS Lever PC1 and PC2 4 12 4 1 3 6 Board R44 OKIOFFICE 44 Power Supply Unit 4 14 4 1 3 7 Option B...

Page 7: ...6 9 High speed Modem Send Test 6 16 High speed Modem Send and Receive Test Diagram Figure 6 9 1 6 17 6 10 High speed Modem Receive Test 6 18 6 11 MF Send Test 6 19 6 12 Tone TEL FAX 6 20 6 13 Protoco...

Page 8: ...Troubleshooting Flowchart 7 32 1 Top Cover is Open 7 33 2 Replace Image Drum Message 7 34 3 Engine Controller Error 7 35 4 Fuser Unit Thermal Error 7 36 5 Paper Jams 7 37 6 No Paper Tray or No Paper...

Page 9: ...re A2 1 2 A 11 G3 Receive Mode A 12 G3 Receive Picture Signal Figure A2 1 3 A 13 300 bps Send Mode A 14 300 bps Send Signal Figure A2 1 4 A 15 300 bps Receive Mode A 16 300 bps Receive Signal Figure A...

Page 10: ...Toner Low Detection B 14 B1 5 Cover Open B 16 Appendix C Circuit Diagrams C 1 C 1 General Information C 1 Appendix D Illustrated Parts List D 1 Section 1 Cabinet Assembly 1 2 D 2 Section 1 Cabinet As...

Page 11: ...sic System G 5 2 2 2 Registering the Facsimile Model No G 8 2 2 3 Deleting the Facsimile Model No G 9 2 2 4 Updating the Password G 10 2 2 5 Updating the Dip Switches G 11 2 2 6 Deleting the RMCS Basi...

Page 12: ...ix H Product Service Bulletins H 1 H 1 General Information H 1 OKIDATA s Web Site H 1 Faxable Facts H 1 OKILINK II H 1 Service Caution H 3 Appendix I Recommended Spare Parts List RSPL I 1 I 1 General...

Page 13: ...Table of Contents TOC 10 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 14: ...ize 20 1b bond 15 sheets North American Letter A4 size 13 to 28 1b bond 8 Recording paper or sheet First tray North American Letter Legal A4 size plain paper cut OKIOFFICE 44 100 sheets capacity 20 1b...

Page 15: ...ng resolution a Horizontal 300 dots inch b Vertical Variable Automatically adjusted to the paper length STD mode 3 85 to 5 06 line mm FINE mode 7 7 to 10 13 line mm Fixed STD mode 3 85 line mm FINE mo...

Page 16: ...bps for 3 sec 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 24 Communication mode Half duplex 25 Me...

Page 17: ...iple copies Maximum 50 copies of document 8 Sender identification Sender ID 9 Personal identification Personal ID 10 Polling transmission 11 Polling reception 12 Acoustic line monitor 13 Telephone han...

Page 18: ...ialing One touch dialing 10 locations maximum of 32 digits each location Two digit automatic dialing 45 locations maximum of 32 digits each location Keypad dialing Chain dialing Mixed dialing Group di...

Page 19: ...ts English Spanish English French 42 Fax forwarding Not available for the OKIOFFICE 44 44 Reports Activity report Protocol report Service man setting Message confirmation report Single address or mult...

Page 20: ...Default RAM check RAM check MEMORY board option PC IF board parallel check Print test 2 Sensor calibration Adjustment of scanning level 3 LED test 4 Tone send test 5 Multi frequency MF send test 6 Hi...

Page 21: ...igure 1 4 1 General Appearance of OKIOFFICE44 FX048 CP4 1 Fig 01 Tray Paper Tray Document Cover Top Case OPE T Cover Main Cover Manual Document Stacker Document Optional Cover Front 1 4 General Appear...

Page 22: ...s Min 128 mm 5 04 inches Max 356 mm 14 inches Long document detection 356 mm 14 inches or 60 minutes TF 11 To enable or disable the long document scanning An operator can turn the long document scanni...

Page 23: ...13 28lb 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 102 inches skew over a d...

Page 24: ...t Base weight is defined as the weight of 500 sheets of 431 8 mm 17 inch by 558 8 mm 22 inch 4 Thickness 0 08 mm to 0 12 mm 0031 inches to 0047 inches 5 Condition New paper Manual Feed Note One single...

Page 25: ...h 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 2...

Page 26: ...7 line mm EXFINE 15 4 line mm Letter size 1728 bit contact image sensor 1 Automatic background sensing Acontinuousdocumentbackgroundof0 3OD opticaldensity or less will be transmitted as white 2 The L...

Page 27: ...ration only Error Message PAPER OUT JAM CONFIRM AND STOP 0 ms when receiving from an Oki Data facsimile 5 ms at 7 7 line mm and 10 ms at 3 85 line mm when receiving from a non Oki Data facsimile 1 One...

Page 28: ...4400 bps for 6 sec in MMR code transmission ITU T Error correction mode ECM Oki Data ITU T ECM Half duplex 25 to 150 V r m s Inoperative below 10 V 20 to 68 Hz One ringing signal or 5 to 30 seconds Se...

Page 29: ...within the predetermined temperature range by the thermistor If the temperature of the heater exceeds the range the LCD displays PRINTER ALARM 4 Furthermore the built in thermostat in the fuser unit...

Page 30: ...ecifications No Item Specifications 36 Power supply unit and power consump tion of the machine Power save mode is automatic for the OKIOFFICE 44 It cannot be enabled or disabled by the user OKIOFFICE4...

Page 31: ...73 10 C73 18 C80 28 C85 27 C80 15 C TEMPERATURE C Relative humidity RH Area enclosed by lines with Range where printing is guaranteed Area enclosed by lines with Range for storage without power suppl...

Page 32: ...ials 1 AC power cord x 1 2 I D unit x 1 Already installed 3 Toner cartridge x 1 4 Telephone handset x 1 option 5 Curled cord and Telephone cord for 4 x 1 option 6 Document stacker x 1 7 Line cord x 1...

Page 33: ...in the following cases 1 When COPY key is pressed after a single location call this report can be printed Manual printout FP 01 To enable or disable automatic printing The fax can print out a broadca...

Page 34: ...eception report 10 Telephone directory 11 Configuration report The fax can print out this report automatically on completion of a confidential reception This directory is printed manually REPORT PRINT...

Page 35: ...3 5476 1234 09 24 OKI SHIBAURA OKI HONJO 1 2 3 4 5 6 1 Date and time 2 Sender ID 3 CSI Personal ID 4 Letters PLEASE CALL BACK 5 Sender ID 6 Sender s call back telephone number 1 07 01 96 15 06 OKI ABC...

Page 36: ...CE 44 Service Manual P N 59276801 TSI Printing and Local Date and Time Printing Format Example 07 01 96 15 48 3454 1999 Local date and time printing TSI printing F050 C1 004 Note TSI printing TF 05 Lo...

Page 37: ...General Information 1 24 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 38: ...19 96 17 05 ID OKI DATE TIME S R TIME DISTANT STATION ID MODE PAGES RESULT 05 17 10 10 0485 88 3385 9080 05 17 10 30 ODS TAKASAKI 03 0000 05 17 12 05 01 20 OKI FAX BOX 01 03 OK 0000 05 17 13 00 00 20...

Page 39: ...18 10 22 00 12 0495 22 5400 CALLING 00 STOP 9080 05 18 10 50 01 20 0495 22 5400 CALLED 03 NO 9090 05 18 12 05 00 20 OKI FAX CALLING 01 STOP 9080 05 18 15 00 01 30 CALLED 03 OK 0000 3 05 18 15 30 00 2...

Page 40: ...cast BOX XX Confidential reception FWD R Fax Forwarding RX FWD T Fax Forwarding TX 10 Number of transmitted pages or received pages 11 Result code OK Note1 NO STOP Note 2 BUSY PAPER Out of recording p...

Page 41: ...vice Manual P N 59276801 Message Confirmation Report Format 1 2 Example 2 07 01 96 08 05 3 ID OKI 1 MESSAGE CONFIRMATION F050 C1 008 1 2 DATE S R TIME DISTANT STATION ID MODE PAGES RESULT OKI FAX 00 2...

Page 42: ...tle of the report 2 Date and time when the report was printed 3 Sender ID 4 Date of transmission or reception 5 Length of time for which the fax was connected to the line 6 Identification of the remot...

Page 43: ...9 AD9 10 AD10 11 AD11 12 AD12 13 AD13 14 AD14 15 AD15 16 AD16 17 AD17 18 AD18 19 AD19 20 AD20 21 AD21 22 AD22 23 AD23 24 AD24 25 AD25 26 AD26 27 AD27 28 AD28 29 AD29 30 AD30 31 31 32 32 33 33 34 34 35...

Page 44: ...PAGES RESULT ONE TOUCH 1 OT1 3 OT3 5 OT5 AUTO DIL KEYPAD 01 01 01 OK OK OK LOCATION ID PAGES RESULT 2 OT2 4 OT4 01 01 OK OK 01 AD1 03 AD3 05 AD5 01 01 01 OK OK OK 02 AD2 04 GERMAN 01 01 OK OK 1234 34...

Page 45: ...123 OFF OR 111 222 333 2 OKI OFFICE 456 456 456 OFF OR 444 555 666 3 OKI LABORATORY 789 789 789 OFF OR 777 888 999 4 ODC TAKASAKI 000 111 222 OFF OR 444 555 666 5 ODC QA QC LAB 1234 5678 90123 OFF OR...

Page 46: ...TELEPHONE DIRECTORY P2 07 01 96 19 20 ID OKI DATA CORP GROUP NUMBER 1 2 3 4 5 1 ONE TOUCH 1 2 3 4 5 6 7 8 9 10 AUTO DIAL 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26...

Page 47: ...35SEC 1RING OFF 13 1 ST PAPER SIZE 14 2 ND PAPER SIZE 1 15 USER LANGUAGE A4 A4 ENGLISH 16 INCOMING RING 17 REMOTE RECEIVE 18 MEM FEEDER SWITCH ON OFF MEMORY 19 POWER SAVE MODE 20 ECM FUNCTION 21 REMOT...

Page 48: ...H TYPE2 TYPE2 ON 10 MDY DMY 11 LONG DOC SCAN 12 TONE FOR ECHO MDY OFF OFF 13 MH ONLY 14 H MODEM RATE 15 T1 TX TIMER VALUE OFF 14 4K 59SEC 16 T1 RX TIMER VALUE 17 T2 TIMER VALUE 18 DIS BIT32 35 SEC 10...

Page 49: ...General Information 1 36 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 50: ...eck of contents See 2 4 Installation of attachments See 2 5 AC cord connection See 2 6 Telephone and line connections See 2 7 Packing for shipment See 2 8 General procedure key operations See 2 9 1 Te...

Page 51: ...One touch key programming Two digit auto dial programming Group setting Dial parameter settings See 2 9 9 Programming mail box password See 2 9 10 On line tests See 2 9 11 Installation of optional un...

Page 52: ...altitude of 2500 m and below 5 Exposure Within five minutes at luminous intensity 2 000 lux with the stacker cover opened 6 Required space for installation The facsimile requires adequate space for sa...

Page 53: ...bel Packing tape FX048 C2 003 Figure 2 3 1 1 Unpacking Procedure 1 2 3 Unpacking 2 3 1 Unpacking for OKIOFFICE 44 Procedure 1 Remove tape on the top of the carton box and open its cover 2 Take out the...

Page 54: ...Installation Procedure 2 5 OKIOFFICE 44 Service Manual P N 59276801 Figure 2 3 1 1 Unpacking Procedure 2 External carton box FX048 C2 004...

Page 55: ...Line cord 1 6 One touch sheet 1 Already installed 7 User s guide 1 8 Tray paper 1 9 Tray document 1 10 JetSuite Software 1 User s Guide 11 Quick Start Guide 1 12 WordScan OCR 1 Manual Table 2 4 1 Cont...

Page 56: ...er cartridge Peel off the fixed tape attached to the cover top Open the cover top Take the plastic cover out of the ID unit Figure 2 5 1 2 Toner Cartridge Installation 2 Take out the toner cartridge f...

Page 57: ...er cartridge recess lines up with the groove on the toner cartridge Figure 2 5 1 3 Toner Cartridge Installation 3 Press down on both ends to make sure the cartridge is fully seated Push the gray tab f...

Page 58: ...cartridge using a cloth moistened with cold water Do not use hot water Heat makes the toner adhere to surfaces and will make the toner more difficult to remove Close the cover assembly top until the b...

Page 59: ...aper Figure 2 5 7 Recording Paper Cassette Installation 2 FX048 C2 012 Rev 2 3 Recording paper Note About 100 sheets of the new paper can be set on the tray paper Loading the new paper Sheets must not...

Page 60: ...01 Figure 2 5 1 7 Document Stacker Installation Tray paper Tray document Cover top Stacker document FX048 C2 013 Rev 2 4 Tray paper Tray document and Document stacker option Hang the tray paper the tr...

Page 61: ...230V AC Voltage range 198 to 250 V AC Check whether the AC voltage of your input is within the above mentioned voltage range Connect the female plug of the AC cord to the machine Insert the male plug...

Page 62: ...re Connect the lines 1 For OKIOFFICE 44 2 8 Packing for Shipment CAUTION When packing the OKIOFFICE 44 for shipment REMOVE THE IMAGE DRUM AND TONER FROM THE UNIT AND SHIP SEPARATELY Failure to do this...

Page 63: ...Installation Procedure 2 14 OKIOFFICE 44 Service Manual P N 59276801 2 9 Initial Settings 2 9 1 General Procedure of Key Operation Figure 2 9 1 shows the general procedure of key operation...

Page 64: ...with Tech Function Off 2 User can read no of counter in LCD but can not clear 4 When the service bit is set to OFF Funtion NO 11 is bypassed to the next function NO some countries Selection by key or...

Page 65: ...E 16 INCOMING RING 17 REMOTE RECEIVE 18 MEM FEEDER SW 19 20 ECM FUNCTION 21 REMOTE DIAGNOSIS 22 PC FAX SWITCH 23 ONE TOUCH PARAM OT10 PRINT OPERATION 3 CLOCK ADJUSTMENT PRINTER CLEANING 1 FUNCTION PRO...

Page 66: ...AN 12 TONE FOR ECHO 13 MH ONLY 14 H MODEM RATE 15 T1 TX T O VALUE 16 T1 RX T O VALUE 17 T2 T O VALUE 100 MS 18 DIS BIT 32 19 ERR CRITERION 20 OFF HOOK BYPASS 21 NL EQUALIZER 22 ATTENUATOR 23 T F TONE...

Page 67: ...e accessed by entering the corresponding service number on Technical Function The detailed procedures of the initial setting items will be explained on the following pages Note 1 S ON Effective if the...

Page 68: ...se of transmission mode the monitor will be available during dialling but the monitor will be switched off automatically after the elapse of specified time about 5 sec However when TF02 is set to ON t...

Page 69: ...TYPE1 TYPE2 OFF TYPE1 TYPE2 selectable TYPE1 means 1 RING comes 2 The TAD answers returns the recorded voice message in TAD to calling party 3 The FAX machine will continue to detect CNG signal while...

Page 70: ...set ting controls the following features ON Enables Echo Protection Ignore 1st DIS CED DIS timer Tone for echo OFF OFF 75 ms OFF ON ON 1 5 sec ON TF 12 table OFF Disables Switches the function of lim...

Page 71: ...duration inseconds forwhichthe fax detects the EOL interval during reception of phase C The fax disconnects the line when EOL can not detect within T2 timer Selects the 3 digit timer 001 to 255 select...

Page 72: ...ould subtract the speci fied level from the line cable attenuation to determine the send level of your fax Adjusts the attenuation dB for the quasi ring back tone send signal of TEL FAX switching Adju...

Page 73: ...291 313 269 290 248 268 229 247 212 228 196 211 181 195 168 180 155 167 143 154 132 142 122 131 113 121 105 112 100 104 10100 27 Strobe for LED head Setting of LED print head strobe signals 00000 1111...

Page 74: ...fer roller current to com pensate for different paper weights 31 Not Used Head width later You should confirm the head width by the following table and then select it by this setting Refer to 4 2 1 He...

Page 75: ...the machine automatically starts a document receiving operation Voice conversation will automatically be available through the internal handset by lifting up the handset while the call buzzer is sound...

Page 76: ...iod 4 If the fax does not detect CNG signal during working of TEL FAX mode LCD display indicates LIFT HANDSET Telephone call or manual transmission Calling party Called party TEL FAX mode Ringing CED...

Page 77: ...ission NOTE If the Remote RX function is set to a value other than OFF that code can be used to force FAX RX during TAD Mode Operation Telephone call or manual transmission Calling party Called party...

Page 78: ...mote RX function is set to a value other than OFF that code can be used to force FAX RX during TAD Mode Operation Telephone call or manual transmission Calling party Called party TAD Ringing CML ON In...

Page 79: ...ng Dial parameters setting Printer counters clearing 2 Procedure The display shows 2 TECHNICAL FUNCTION YES NO 1 4 Operations To bring the LCD up to the desired message press SELECT FUNCTION key once...

Page 80: ...Press COPY key twice Press key Press key Press key 1 Operations SELECT FUCTION OT MEMORY AVAIL 100 TECH PROGRAMMING YES 1 4 NO 1 LOCAL TEST YES NO 1 4 2 TECHNICAL FUCTION YES NO 1 4 Enter two digit fu...

Page 81: ...E BIT X YES NO 02 MONITOR CONT X YES NO Setting Toggle X OFF ON Setting Toggle X OFF ON 03 COUNTRY CODE X YES NO Setting X INT L GBR USA 04 TIME DATE PRINT X YES NO Setting X OFF ONCE ALL 05 TSI PRINT...

Page 82: ...NO Setting Toggle X OFF ON 12 TONE FOR ECHO X YES NO Setting Toggle X OFF ON 14 H MODEM RATE X YES NO 15 T1 TX T O VALUE X YES NO To 16 T1 RX T O VALUE X 010 255 sec Setting X 4 8k 9 6k T1 TX T O VALU...

Page 83: ...O VALUE 059 YES NO 3 digit timer entered 18 DIS BIT32 X YES NO Setting Toggle X OFF ON 19 Error criterion 19 ERROR CRITERION X YES NO To 20 OFF HOOK BYPASS X 00 99 ERROR CRITERION 00 ENTER 00 99 19 ER...

Page 84: ...DB 2 DB 15 DB 0 DB 25 RING DURA 10 MS X YES NO To 26 CML TIMING X 10 99 RING DURA 10 MS 10 ENTER 2DIGITS 24 RING DURA 10 MS 11 YES NO 2 digit timer entered Example 25 Ring duration detection time 26...

Page 85: ...ions 28 to 31 Table 2 9 2 5 5 T F No Name of Function The Display Shows 28 Head Width Media type 29 Transfer roller latch current 28 HEAD WIDTH X YES NO 30 TR LATCH CURRENT X YES NO Setting Toggle X T...

Page 86: ...e 2 9 3 shows the initial setting items and their purposes Each F P can be accessed by entering the corresponding function number on Function Programming The detailed procedure of the initial setting...

Page 87: ...de 01 to 45 Maximum 32 digits for each location number With ten key pad Maximum 40 digits for one operation The number of dialling digits can be expanded by chaining any number of the types listed abo...

Page 88: ...D Any location ID can be searched and displayed on LCD Then direct dialling to the ID s station can be performed There are two methods of searching 1 Search based on the first character specified 2 Se...

Page 89: ...ed by a remote station The fax can collect documents from one remote station Anoperatorcanpreparedocumentsfortransmissionevenwhilethe fax is engaged in message reception They will be automatically tra...

Page 90: ...OT4 07 25 96 14 14 FAX WAITING TO BE POLLED OT5 POLLING RX SELECT LOCATION No document 1 ACTIVITY REPORT YES NO OT6 DRUM COUNT CLEAR NEXT OT7 LOCATION PROGRAMMING ENTER SRCH OT A D OT8 1 FUNC PROGRAMM...

Page 91: ...AX 2450 01 to 16 OKIFAX 5300 01 to 08 OKIFAX 5600 01 to 16 Thisfunctionautomaticallyoriginatesamessagecallviarelaykey station which must be equipped with OKIFAX 2600 Up to 99 locations To program rela...

Page 92: ...counter User can read no of counter in LCD but can not clear One touch keys allow registering 1 Telephone number numeral P and space in 32 digits 2 Alternate fax telephone number in 32 digits additio...

Page 93: ...1 RING RESPONSE 12 DISTINCTIVE RING 13 1 ST PAPER SIZE 14 2 ND PAPER SIZE 15 USER LANGUAGE 16 INCOMING RING 17 REMOTE RECEIVE 18 MEM FEEDER SW 19 Not Used 20 ECM FUNCTION 21 REMOTE DIAGNOSIS 22 PC FAX...

Page 94: ...to print messages received in memory when RX Mode is set to MEM RX The messages are printed when toner has been newly supplied or an operator performs the substitutive operation When memory reception...

Page 95: ...s or disables the automatic printing of the image on the first sheet below the message confirma tion report ON Printing the image in MCF report Memory transmission only OFF Disables this function The...

Page 96: ...NORMAL FINE DARK FINE LIGHT EX FINE NORMAL EX FINE DARK EX FINE LIGHT PHOTO NORMAL PHOTO DARK PHOTO LIGHT STD NORMAL Specifies the time for which the fax alerts an operator on reception of a call in...

Page 97: ...one connectedtofax byenteringpreset two digits The following combinations are selectable 00 11 22 33 44 55 66 77 88 99 OFF selectable Switches the transmission mode between the memory and feeder MEM T...

Page 98: ...de does not respond at the time of incoming call to PC specifies whether to starts forc ibly as fax reception or not ON Enables OFF Disables Note When the Bi Centro board is installed on the fax PC FA...

Page 99: ...dual setting item See Table 2 9 5 Operations To begin press SELECT FUNCTION key once and one touch key No 9 in the standby mode when no message is in memory Press key Enter two digit function number t...

Page 100: ...K X YES NO Setting Toggle X OFF ON Setting Toggle Setting Toggle X OFF ON Setting Toggle X OFF ON Image in MCF 04 IMAGE IN MCF X YES NO Setting X OFF LOW HIGH Setting X T R RX OFF X OFF ON Setting RES...

Page 101: ...To FUNCTION NO ECHO PROTECTION X YES NO One touch key pressed Setting Toggle X OFF ON NOTE 4 X A4 LET LGL 13 LGL 14 OTHER Not used User language 15 USER LANGUAGE X YES NO Setting X ENG Other Setting...

Page 102: ...ed by using key while documents are loaded in the ADF STD NORMAL STD DARK STD LIGHT FINE NORMAL FINE DARK EX FINE NORMAL FINE LIGHT EX FINE DARK PHOTO NORMAL PHOTO DARK PHOTO LIGHT EX FINE LIGHT Note...

Page 103: ...is given by pressing key 11 entered SELECT FUNCTION OT MEMORY AVAIL 100 X 1RING 05SEC 10SEC 20SEC 15SEC To begin press SELECT FUNCTION key once and one touch key No 9 in the standby mode when no messa...

Page 104: ...NE DETECT ON YES NO MF TONE DP PULSE M F YES NO DIAL PREFIX OFF YES NO FLASH EARTH NORMAL F YES NO AUTO START OFF YES NO PBX LINE OFF YES NO DIAL PREFIX ENTER 4DIGITS DIAL PREFIX 0 YES NO IN CASE of 4...

Page 105: ...MMING YES NO 1 4 3 CLOCK ADJUSTMENT YES NO 1 4 04 25 96 12 33 YES NO 0 9 To bring the LCD up to the desired message press SELECT FUNCTION key once and one touch key No 9 in the standby mode In case of...

Page 106: ...Installation Procedure 2 57 OKIOFFICE 44 Service Manual P N 59276801 2 9 7 Dual Access Operation This feature is not available with the OKIOFFICE 44...

Page 107: ...UE key to input special symbols Operations SELECT FUNCTION OT MEMORY AVAIL 100 1 FUNC PROGRAMMING YES NO 1 4 4 SYSTEM DATA PRG YES NO 1 4 To begin press SELECT FUNCTION key once and one touch key No 9...

Page 108: ...CE 44 Service Manual P N 59276801 Operations The display shows Press key NO 03 3404 7123 ID OKI NO CALL BACK NO NO _ NO 03 3404 7765_ 1 03 5 Example START Continued from the previous page Example 3 SE...

Page 109: ...se in which the service bit is on Operations SELECT FUNCTION OT MEMORY AVAIL 100 To begin press SELECT FUNCTION key once and one touch key No 9 in the standby mode with no message in memory The displa...

Page 110: ...or 100MS 11 Flash Earth Normal F or E or N 12 Auto start OFF or ON Continued from the previous page IN CASE of 4 SPACE 0 9 or SPACE 13 Dial prefix DIAL PREFIX will be included SPACE 10 PBX line OFF o...

Page 111: ...s 16 pps 20 pps selectable Selects pulse dial rate 33 39 Selects pulse dial type Normal N 10 N N 1 Selects MF Tone duration 75 85 100 ms selectable Selects PBX line ON OFF selectable ON PBX line OFF P...

Page 112: ...sion printing optional Procedure Operations TECH PROGRAMMING YES 1 4 NO To bring the LCD up to the desired message press SELECT FUNCTION key once and COPY key twice in the standby mode In case of no m...

Page 113: ...00 HASH OK 3142 PROG2 VERSION AA00 HASH OK 1234 LANGUAGE VERSION LL10 HASH OK 3F06 DEFAULT VERSION DD10 HASH OK A683 RAM1 1M OK OPT RAM1 1M OK OPT I F PARALLEL DEFAULT TYPE 01 07 01 96 1 marked item i...

Page 114: ...TION 3 Dial the telephone number of the remote machine by the ten key pad 4 Make sure that the telephone number of the remote machine is shown on the display 5 Press the START button 6 Typical message...

Page 115: ...L TWO DIGIT AUTO DIAL CODE ONE TOUCH MANUAL SEND MODE PERSONAL ID 4542111 SENDING 96 FAX MESSAGE TRANSMISSION STATUS YES NO YES YES NO YES YES LOCAL PROBLEM OCCURRED RESULT OK EXAMPLES or etc ABOUT 1...

Page 116: ...NO YES MANUAL RECEIVE MODE RECEIVING 96 NO YES YES NO YES NO EXAMPLE ABOUT 1 SEC STANDBY NO FX050VP C2 022 YES OFF HOOK AND CONVERSATION PRESS START KEY MANUAL RX START STANDBY RING DETECTED AUTO REC...

Page 117: ...PC interface board Telephone handset Procedure Note Unplug the AC power cord from the wall outlet first and then from the facsimile Detach the AC power cord to power OFF the unit Do not remove unneces...

Page 118: ...board Installation Remove Cover rear Remove the Cover rear by removing the screw 1 Remove PC Interface CTR PCB if installed Install Memory Board First install the memory board on to the connector CN1...

Page 119: ...nterface Plate Earth PC I F Cut out Screw 1 1 Remove Cover rear Remove the Cover rear by removing the screw 1 Install CTR board First install CTR board on to the connector CN11 CN12 of R44 board and t...

Page 120: ...After having taken out the telephone set telephone handset and curled cord from the carton box connect them Fig C 3 2 2 After installing the connection cable to the telephone set extend the connection...

Page 121: ...Installation Procedure 2 72 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 122: ...a LED head Developing roller Doctor blade Toner supply roller PWU board Toner cartridge Transfer roller Paper registration Resist roller Paper supply Hopping roller Paper tray PWU board Paper eject Fu...

Page 123: ...reshold value charging of the drum begins Light emitted from the LED head irradiates the negatively charged surface The potential of the irradiated part of the Image drum surface is raised so that an...

Page 124: ...is applied to the reverse side of the paper from the transfer roller The toner is attracted by the positive charge and is transferred to the paper The toner charged negative that is attracted to the I...

Page 125: ...Brief Technical Description 3 4 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 126: ...nsists of six essential processes The following Figure 3 2 1 provides a general description Figure 3 2 1 Actual EP Process 5 Heater roller 6 Cleaning roller 1 Charge roller 2 LED head Back up roller 4...

Page 127: ...ts constitute the OKIOFFICE44 facsimile transceiver machine Main control board MCNT R44 Network control unit board NCU UNC Memory board option MEM MEM 1MB Telephone interface board option TEL TEL U HO...

Page 128: ...T NCU CTR MEM Sub Main TLHV OLHV OPE 04W CNT R44 LED HEAD D MOTOR CLUTCH FUSER S MOTOR PC1 PC2 CIS SPEAKER PRT SCAN CN1 CN CN2 CN CN3 CN7 CN6 CN1 CN1 CN5 CN4 CN3 CN CN CN CN2 CN1 CN CN CN15 CN CN14 CN...

Page 129: ...erall Dimension and Mechanical Structure Document P a p e r EP drum Roller Heater Paper exit ID unit LED head Scanner block Roller ADF Separation rubber OPE board Roller Scan Document exit Manual pape...

Page 130: ...crews and small parts are likely to be lost they should temporarily be attached to their original positions 6 When handling items such as printed circuit boards do not wear gloves that are likely to g...

Page 131: ...of up to 1300 VDC as part of the normal printing process OKIDATA recommends that the unit be powered OFF AC supply cord disconnected before removing the Main Cover for service In the event that it is...

Page 132: ...ew driver L Q ty Remarks Philips screw driver M Flat screw drivers S Philips screw driver S Radio pliers Nippers Multimeter 1 2 3 4 5 6 7 1 1 1 1 1 1 1 Short ciucuit test 4 1 3 How to Disassemble and...

Page 133: ...oard FX 048 Power supply Unit 4 1 3 6 Unit 048 OPE Panel 4 1 3 3 Plate Assembly Scanner R 4 1 3 5 Item number for detailed description Cover Rear 4 1 3 2 ID Unit 4 1 3 2 Cover Main 4 1 3 2 Board NCU 4...

Page 134: ...r Sensor Assy 4 1 3 18 Plate Side M Gear Idle 4 1 3 12 Hopping Shaft Assy 4 1 3 17 Separation Plate 4 1 3 3 Printer Unit Assembly 4 1 3 3 Drive shaft E and Eject Roller 4 1 3 14 High voltage Power Sup...

Page 135: ...Disassembly 4 6 OKIOFFICE 44 Service Manual P N 59276801 Whole Unit Picture FX048 CP4 1 Fig 01...

Page 136: ...lamp on the cover assembly top Note Be sure not to touch directly or push the SLA part of the print head 2 Reassembly procedure Reverse the disassembly procedures Note After replacing the LED print he...

Page 137: ...Cover for ser vice In the event that it is neces sary to troubleshoot the unit with the Main Cover removed with AC power supplied please take every caution to avoid touching the exposed circuitry of...

Page 138: ...learance Lift from the rear the main cover f Board NCU Remove the Board NCU by removing the two screw 3 and disconnect the connector CN3 from Board NCU Note Board NCU can be removed without removing t...

Page 139: ...arry out the disassembly procedure up to the point of the 4 1 3 2 Item e Cover main b Dismount the Printer Unit See Section 4 1 3 19 c Open the OPE panel assembly d OPE panel assembly Remove the OPE p...

Page 140: ...bber can be removed from the Frame Assembly Scanner U b Roller Assembly Sensor Remove the Plate Support by removing the two screws 1 Note Just fitting to two bosses c Remove the two springs L and R d...

Page 141: ...ge Sensor 1 Disassembly procedure a First carry out the disassembly procedures up to the point of the 4 1 3 2 and 4 1 3 3 b Dismount the Printer Unit See Section 4 1 3 19 c Remove the Frame assembly S...

Page 142: ...s f Remove the Speaker g Remove the Plate Assembly Scanner R and Plate Earth ADF by removing the three screws h Remove the Plate Scanner B by removing the two screws and the part of the fixing hooks i...

Page 143: ...PC1 PC2 After disconnecting the two connectors remove the photo coupler sensors PC1 and PC2 on the Plate Scanner B by pressing the latch using the flat screwdriver or like 2 Reassembly procedure Reve...

Page 144: ...arry out the disassembly procedure up to the point of the 4 1 3 2 Cover Rear Cover Main etc b Board R44 Disconnect all connectors c Remove the five screws and remove the Board R44 d OKIOFFICE 44 Power...

Page 145: ...he part of the fixing hooks b Remove the Plate Earth PC I F c Board Memory MEM Remove Board Memory on the connector CN13 of the Board R44 and removing the screw to the separation plate d Board PC Inte...

Page 146: ...ler Transfer roller Paper guide R Papr guide L Hopper spring Holder Resistration roller Drive shaft E eject Idle gear heat Slide plate M Tension plate Hopping shaft assy Magnet H hopping shaft Roller...

Page 147: ...mbly procedure a Open the cover assembly Remove the ID unit b Remove the right claw Then dismount transfer roller two registration bearing and gear T 2 Reassembly procedure Reverse the disassembly pro...

Page 148: ...able 3 will not interfere with the paper sensor exit when it is connected 2 Reassembly procedure Reverse the disassembly procedures Cable 3 Screw 1 Screw 1 TLHV OLHV board Cable 4 CP4 1 Fig 25 Service...

Page 149: ...NCU and Cover MAIN b Dismount the Bracket Package c Dismount the Holder Paper d Unlock and dismount the Guide Paper L and Guide Paper R e Remove the claw and dismount Spring Holder f Remove the claw...

Page 150: ...up to the point of the 4 1 3 2 ID Unit Cover Rear Cover NCU and Cover MAIN b Remove two screws 1 and two claws then dismount Plate Side M c Dismount Plate Earth two idle gears P idle gear M idle gear...

Page 151: ...e up to the point ofthe4 1 3 2 IDUnit Cover Rear Cover NCU and Cover MAIN b Move registration roller to the right and dismount it by lifting Two registration bearings also come off at the same time Ta...

Page 152: ...3 2 IDUnit Cover Rear Cover NCU and Cover MAIN b Remove two screws 1 from Cover Heat Assembly section 4 3 7 lift the heat assay and dismount idle gear E A and idle gear E B c Unlockanddismountdrivesh...

Page 153: ...r NCU and Cover MAIN b Dismount the high voltage power supply board See Section 4 1 3 10 c Remove NCU Board with two screws d Remove Bracket Package with three screws then disconnect Cable Flat from c...

Page 154: ...NCU and Cover MAIN b Dismount the high voltage power supply board See Section 4 1 3 10 c Dismount heat assembly See section 4 1 3 15 d Dismount the engagement with the left ground thenpressurerollerB...

Page 155: ...holder assembly See Section 4 1 3 11 d Dismount the sheet guide See Section 4 1 3 12 e Dismount the side plate M See Section 4 1 3 12 f Raiseuprollerholder slidehoppingshaft assembly and dismount roll...

Page 156: ...Dismount the high voltage power supply board See Section 4 1 3 10 c Dismount the paper holder assembly See Section 4 1 3 11 d Dismount the heat assembly See Section 4 1 3 15 e Dismount the drive shaf...

Page 157: ...le Flat from connector on R44 Board M CNT c Dismount the high voltage power supply board See Section 4 1 3 10 d Disconnect cable 1 and 2 from connector on Board R44 M CNT and disconnect cable 3 from C...

Page 158: ...0 0 0 1 1 0 0 1 0 0 0 0 1 0 1 0 0 1 1 0 0 0 1 1 1 0 1 0 0 0 0 1 0 0 1 0 1 0 1 0 0 1 0 1 1 0 1 1 0 0 0 1 1 0 1 0 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 0 1 1 0 0 1...

Page 159: ...ce with a new crystal oscillator X1 2 5V DC Voltage SUB Measurement point R44 board CN7 12 pin and ground terminal Specification 5V 4 4 5V to 5 2V 3 5V DC Voltage Measurement point R44 board CN7 1 2 3...

Page 160: ...of up to 1300 VDC as part of the normal printing process OKIDATA recommends that the unit be powered OFF AC supply cord disconnected before removing the Main Cover for service In the event that it is...

Page 161: ...mbly scanner and Unit printer Refer to the Mechanical Disassembly and Reassembly in Chapter 4 1 3 Connect extension cables to the R44 board 4 Connect the frequency counter for clock frequency digital...

Page 162: ...of up to 1300 VDC as part of the normal printing process OKIDATA recommends that the unit be powered OFF AC supply cord disconnected before removing the Main Cover for service In the event that it is...

Page 163: ...Adjustments 5 6 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 164: ...Unit Image drum unit Expected Use Before Reference Item No No Part name Replacement in Fig 6 1 1 1250 sheets cartridge for OKIOFFICE 44 ITU T document sample No 1 For the second or later cartridge to...

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Page 166: ...verall machine will exceed 3 000 hours of actual operation The MTBF will be measured at a confidence level of 95 under controlled laboratory conditions The MTBF will be based on 50 transmit and 50 rec...

Page 167: ...it once a year Clean the surface of the head by moving the tissue paper back and forth several times Clean the inside of the printer unit by using a cloth moisturized with cold water Apply silicone oi...

Page 168: ...6 5 OKIOFFICE 44 Serv Man P N 59276801 Document P a p e r Paper exit ID unit 5 LED head 2 Roller ADF 4 Separation rubber 1 Roller Scan Document exit 3 Image sensor 6 Printer block Preventative Mainten...

Page 169: ...ey Key Key Note Clear Operation After the drum counter is cleared the warning message will disappear For further information regarding the CHANGE DRUM SOON message refer to the Hardware Handbook user...

Page 170: ...enu flow when the service bit has been set ON The display shows Operations To begin press the SELECT FUNCTION key once and one touch key No 7 in the standby mode with no message in the memory Press ke...

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Page 172: ...CT FUNCTION key once and COPY key twice in the standby mode With no message in the memory Press key Press key Press key to activate self diagnosis Figure 6 5 1 shows the printed data TECH PROGRAMMING...

Page 173: ...condition of all RAM except EXCEED RAM 2 marked items are options CPU ROM VERSION AA00 HASH OK DACD CPU RAM OK PROG1 VERSION AA00 PROG1 HASH OK 3142 PROG2 VERSION AA00 PROG2 HASH OK 1234 LANGUAGE VER...

Page 174: ...od OK In case CPU RAM is not good NG g PROG1 VERSION PROG1 In case PROG1 is good HASH OK In case PROG1 is not good HASH NG h PROG2 VERSION PROG2 In case PROG2 is good HASH OK i LANGUAGE VERSION LANGUA...

Page 175: ...levels check the copy quality of the unit Using the unit make copies of test charts or known good documents The display shows TECH PROGRAMMING YES 1 4 NO Operations To begin press SELECT FUNCTION key...

Page 176: ...t occur Continued from the previous page OK Press key Document skew Multiple document feeding No feeding Enter 2 2 SENSOR CALIBRATION YES NO 1 8 2 SENSOR CALIBRATION PLEASE SET DOCUMENT 2 SENSOR CALIB...

Page 177: ...e standby mode with no message in memory Press key Observe and check that LEDs are blinking All LEDs will be sequentially turned on for one second in the following order 3 Press key Press key Enter 3...

Page 178: ...wice and key twice with no message in memory 1 SELF DIAGNOSIS YES NO 1 8 4 Press key Enter 4 CML relay off CML relay on 4 TONE SEND TEST YES NO 1 8 4 TONE SEND TEST 2100HZ SENDING After the checking p...

Page 179: ...ode 2 Procedure The display shows Operations To begin press SELECT FUNCTION key once COPY key twice and key twice with no message in memory 1 SELF DIAGNOSIS YES NO 1 8 5 Press key Press key All zero d...

Page 180: ...s 9 F G H S T U a b 5 MODEM SEND TEST YES NO 1 8 5 MODEM SEND TEST TX The display shows MODEM rate e g 9 6K means 9600 bps Test time minute second Press STOP key CML relay goes off TX Side RX Side All...

Page 181: ...bination with a remote station programmed to the high speed modem send test mode 2 Procedure The display shows Operations To begin press SELECT FUNCTION key once COPY key twice and key twice with no m...

Page 182: ...memory 1 SELF DIAGNOSIS YES NO 1 8 7 7 MF TONE SEND TEST YES NO 1 8 Press key Enter 7 Press 1 2 3 4 5 6 7 8 9 0 or key MF tone corresponding to the key pressed will be sent until the next key is pres...

Page 183: ...NCTION key once COPY key twice and key twice with no message in memory 1 SELF DIAGNOSIS YES NO 1 8 8 8 TONE TEL FAX TEST YES NO 1 8 8 TONE TEL FAX TEST TONE SENDING Press key Enter 8 After the test pr...

Page 184: ...EMORY AVAIL 100 Press one touch key No 6 Printing 1 ACTIVITY REPORT YES NO 1 5 5 PROTOCOL DUMP YES NO 1 5 PROTOCOL DUMP PRINTING FUNCTION Enter 5 Press key OT6 5 6 13 Protocol Data Dump Printing NOTE...

Page 185: ...72 F2 12 04 92 D2 F2 80 F0 80 40 80 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 NSS 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00...

Page 186: ...NSS C2 C4 Training TCF CFR 21 Training FAXMSG RTC PPS EOP FD F4 MCF 31 DCN DF Preamble Data Analysis Figure 6 13 2 The printed out data permits to analyze G3 facsimile communication protocol signals...

Page 187: ...tting Subscriber Identification DCS 41 C1 Digital Command Signal CFR 21 A1 Confirmation to Receive MCF 31 B1 Message Confirmation FTT 22 A2 Failure to Train MPS 72 F2 Multi Page Signal EOM 71 F1 End o...

Page 188: ...ration data default User Functions Technical Functions 2 Procedure The display shows 3 SYSTEM RESET YES NO 1 4 1 ALL DATA CLR YES NO 1 3 2 LOCATION DATA CLR YES NO 1 3 Operations To begin press SELECT...

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Page 190: ...3 The activity report indicates one of the codes of 90XX should a communication terminates on abnormal status as an error code 4 Besides the above codes of 90XX the following codes are prepared for i...

Page 191: ...not the broadcast capability 21C0 In Closed Network setting TSI CIG CSI is either not received or if received it is not authorized one 21E0 Contents of CM JM are faulty at transmission side 21E1 Phase...

Page 192: ...k in Phase C is not possible 60A0 Broadcast completed 6803 DCN received in response to NSF DIS without sending a single picture 9080 Pressed STOP key 9081 T1 time out 9082 T2 time out 9083 T3 time out...

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Page 194: ...art X X 7 1 2 No LCD operation X 7 1 3 ALARM LED on X 7 1 4 Printing test failure X X 7 1 5 No local copy X X 7 1 6 Auto dial failure X 7 1 7 Transmission problem X 7 1 8 Auto reception failure X 7 1...

Page 195: ...s of up to 1300 VDC as part of the normal printing process OKIDATA recommends that the unit be powered OFF AC supply cord disconnected before removing the Main Cover for service In the event that it i...

Page 196: ...s PROG1 PROG2 check OK Yes Local copy OK Yes Transmission problem No Auto dial OK Yes Auto reception OK Yes Reception problem No Start Verify symptom Go to 7 1 2 No LCD operation Go to 7 1 3 ALARM LED...

Page 197: ...ved Start Return to section 7 1 1 No 5V SUB at Pin 1 of CN7 R44 No Check SPSU R44 boards and their connectors No Replace R44 Yes Replace OPE O4W Check R44 board and the cable between R44 and OPE O4W b...

Page 198: ...ridge 2 Check photocoupler of board 3 Replace R44 board No Yes End Yes No Yes Press STOP key TONER LOW alarm DOCUMENT JAM alarm 1 Check that the document transport path up to PC2 is normal 2 Check PC2...

Page 199: ...g 7 6 OKIOFFICE 44 Service Manual P N 59276801 7 1 4 Printing Test Failure Start Yes Perform SELF DIAGNOSIS Replace R44 Board Go to 7 1 22 printer unit End No Print test OK No Yes Solved No Return to...

Page 200: ...1 Check PC1 If defective replace 2 Replace R44 board 3 Check the mechanical portion Scan motor etc 1 Check PC2 2 Replace R44 board 1 Check 8 volt supply from PWU See 5 5 3 2 Replace R44 board 3 Repla...

Page 201: ...Troubleshooting 7 8 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 202: ...Others cannot dial automatically either Can you hear dial tone when lifting up your handset Check pulse dial tone dial dial rate etc Check closed network Return to section 7 1 1 Hang up external telep...

Page 203: ...ote station Solved Start Step 1 Return to section 7 1 1 Set MH ONLY Technical function No 13 to ON Set HIGH SPEED MODEM RATE Technical function No 14 to 4800 bps Step 2 Solved Yes Adjust send signal p...

Page 204: ...dded to training signal to protect the training signal against echo as follows A No TX Yes The hardware of the troubled fax machine may be damaged Go to 7 1 13 High speed Modem Test to localize the ca...

Page 205: ...Troubleshooting 7 12 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 206: ...istered in one touch key or two digit auto dial code Your handset telephone rings when a call arrives Return to section 7 1 1 Replace the R44 Board Manual reception OK Solved Ringing signal is detecte...

Page 207: ...letion of connection with a remote station Solved Start Step 1 No Return to section 7 1 1 Set MH ONLY Technical function No 13 to ON Set HIGH SPEED MODEM RATE Technical function No 14 to 4800 bps Step...

Page 208: ...onditions especially concerning step 1 4 A No Yes The hardware of the troubled fax machine may be damaged Go to 7 1 13 High speed Modem Test to localize the cause Check the line and the network Note E...

Page 209: ...usting for level Perform SENSOR CALI BRATION See 6 6 No Abnormal feeding is observed during SCANNING CHECK Check that white plain bond paper of NA Letter size is loaded on the feeder Checking Points G...

Page 210: ...or OSC OPE 3 Replace the OPE Unit 4 Replace R44 board Checking Points Yes Yes No End All LEDs light Any LED does not light ALARM LED lights DARK LED lights NORMAL LED lights LIGHT LED lights STD LED l...

Page 211: ...Troubleshooting 7 18 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 212: ...e 2 Tones appear across Pin A8 B8 S and Pin A12 B12 0V of CN10 MCNT Replace R44 board Replace WN5 Board Solved Replace R44 Board Signal route IC8 26 to 33 AD0 to AD7 IC8 1 2 IC12 7 S CN10 A8 B8 S Sign...

Page 213: ...robe across the line terminals L1 and L2 Perform H MODEM SEND TEST for the transmitter and H MODEM REC TEST for the receiver See Fig 6 9 1 No Solved Yes Replace WN5 Board Replace R44 Board TX End Sign...

Page 214: ...ops counting up RX Receiver Return to section 7 1 1 No Yes Replace R44 Board RX End Receive signal appears across L1 and L2 Replace R44 Board A Possible cause CML signal Yes Replace NCU Board Yes Solv...

Page 215: ...8 S and CN10 A12 B12 0V of R44 Board Replace R44 Board Replace WN5 Board Solved Replace R44 Board Signal route CN3 15 16 T1 3 1 CN1 3 4 End No Yes Yes No Return to section 7 1 1 Connect oscilloscope p...

Page 216: ...Replace R44 Board Signal route CN3 15 16 T1 3 1 CN1 3 4 End No Yes Yes No Return to section 7 1 1 Connect oscilloscope probe across the line terminals L1 and L2 Perform TONE TEL FAX SEND TEST See 6 12...

Page 217: ...ical function No 02 has been set to OFF Replace R44 Board The signal appears Replace the speaker Connect oscilloscope probe across CN8 01 SP and CN8 02 AG MONITOR VOLUME Function program No 06 has bee...

Page 218: ...ocument s Yes No Yes Leading edge of document s is curled Yes Too thick document s 0 15 mm 006 inches Yes Too many document s 20 A4 Yes Are there bits of paper or adhesive tape on the document transpo...

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Page 220: ...on rubber Align them Yes No Definition Multiple document feeding Multiple documents are not separated and they are fed at the same time during one feeding operation After pushing the separation rubber...

Page 221: ...ocuments by meeting the same width Check points 1 Adhesive such as paste tape etc on the surface of the documents 2 The leading edges of the documents are rugged due to paste etc Yes The thickness of...

Page 222: ...normally by the springs After pushing them with your fingers do they return back to the original positions Are the feed follers dirty Set them properly Clean it Clean it No No Is the scan roller worn...

Page 223: ...use the carrier sheet For 2 and 4 use documents of the specified thickness or copy the documents with an office copy machine and use the copy For 3 cut the leading edge or copy the documents with an o...

Page 224: ...the routine replacement part EP unit been replaced properly 3 Is the recording paper normal 4 Has the EP unit been loaded properly 2 Tips for correcting image troubles 1 Do not touch or bring foreign...

Page 225: ...play Warning message to replace EP unit because of its life Engine errors Cover open Image drum alarm Trouble Troubleshooting flow chart number 1 Recording paper jam error Paper cassette request Daily...

Page 226: ...rvice Manual P N 59276801 1 Top Cover is Open Is the cover open switch out of position Correctly position the cover open switch See ACTION 2 Yes Solved Return to section 7 1 1 No Yes Close the cover N...

Page 227: ...ly See ACTION 4 Yes Does the CHANGE DRUM message remain on display No Disconnect AC power cord Reconnect AC power cord No See ACTION 3 Mount it properly Yes CHANGE DRUM Warning message to replace ID u...

Page 228: ...801 See ACTION 6 Yes Does the PRINTER ALARM 2 message remain on display No Detach the AC power cord Reattach the AC power cord See ACTION 5 PRINTER ALARM 2 Engine controller error ROM RAM error Open a...

Page 229: ...s the fuser unit heater off Is the PRINTER ALARM 4 message displayed with a delay Is the heater wire broken See ACTION 8 See ACTION 6 See ACTION 7 Replace the heater unit See ACTION 9 No Yes Yes Yes P...

Page 230: ...under the EP drum See ACTION 13 See ACTION 10 See ACTION 11 Yes Is the paper tray loaded properly Load it properly No Is the paper of specified size Replace with paper of the specified size No See AC...

Page 231: ...44 Service Manual P N 59276801 Has the paper tray been loaded See ACTION 14 Yes No Load it Is recording paper out Load recording paper No Yes PAPER OUT JAM REPLACE PAPER No recording paper on the tra...

Page 232: ...d 5 Check PWU 6 7 Check thermister resistance of about 200 kilo ohms at room temperature and about 140 kilo ohms at high temperature POWER SUPPLY UNIT Check connection between the PWU and the fuser as...

Page 233: ...ound is smeared Fig 8 Blank paper is output Fig 9 Black belts or black stripes in vertical direction Fig 10 Periodic abnormal printing Fig 11 Some parts not printed 12 White belts or some white stripe...

Page 234: ...he LED print head installed properly Does the contact plate of the transfer roller make proper contact with the Power Supply Board Clean the lens Properly install the LED print head No Is toner low Su...

Page 235: ...n exposed to external light Is the heat roller of the fuser unit dirty Replace the EP unit or PWU HV Board R44 Board Clean it No No Yes Yes No Is the contact of the cleaning roller of the EP unit in c...

Page 236: ...paper is output Set the image drum unit properly Is the image drum unit set properly Replace the LED head Power Supply Unit or R44 Board No Is the LED head connected properly Check connector CN14 on...

Page 237: ...7 44 OKIOFFICE 44 Service Manual P N 59276801 Black belts or stripes in the vertical direction Replace the LED print head or Power Supply Unit Solved End Yes No Replace the EP Unit 10 Vertical Black S...

Page 238: ...riod Yes No EP drum inside the image drum unit failure Replace the image drum unit Toner supply roller inside drum unit failure Replace the image drum unit No Yes Yes 1 98 50 3 mm period 2 46 62 5 mm...

Page 239: ...44 Service Manual P N 59276801 Yes Some parts not printed Clean it Is the transfer roller dirty Check I D unit and Power Supply Unit No Is the print paper folded bent or scratched Replace the paper Ye...

Page 240: ...t END Yes Is the contact plate of the transfer roller in contact with the contact assembly properly Make proper contact of the contact plate with the contact assembly Replace the transfer roller Solve...

Page 241: ...Is the Bias spring normal Tension 2 5 kg Yes No Replace the pressure roller spring Poor fusing Is the paper OKI DATA specified grade No Use paper of OKI DATA specified grade Is there proper contact b...

Page 242: ...Dipswitch Settings 8 1 OKIOFFICE 44 Service Manual P N 59276801 Section 8 Dipswitch Settings 8 1 General Information The OKIOFFICE 44 does not have any dipswitches Rev 2...

Page 243: ...Dipswitch Settings 8 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 244: ...Unit in the OKIOFFICE 44 is mounted vertically on the left side of the unit with the land side fully exposed This board develops voltages of up to 1300 VDC as part of the normal printing process OKID...

Page 245: ...Board Descriptions A 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 246: ...is as follows Board Memory 4 Board CTR PC Interface 3 Screw 1 Figure A 1 1 1 Unit Configuration of OKIOFFICE 44 1 Main control board R44 2 Network control unit NCU 3 PC interface board CTR option 4 Me...

Page 247: ...DRV DRV DRV PC1 IOGA3 2 4 Printer control OST EX Buffer 640 bytes Decoding RLE TIFF ACC32 200 300 converter Smoothing A4 image sensor 8 dots mm PC1 PC2 M M S motor D motor LED head 300 dpi Clutch Heat...

Page 248: ...ntral processing unit D MOTOR Drum motor DRV Motor drive DRAM Dynamic random access memory EXSEED Image proccessing gate array FAN Fan motor FLASH Flash memory IOGA 3 Input output gate array PCi Photo...

Page 249: ...l I EXSEED For OKIFAX 5000 series Image data processing SRAM For OKIFAX 5000 series Memory storage for image picture data Supervision of the following external statuses Presence of document on hopper...

Page 250: ...ceive signals from telephone line Power Supply Unit 048 POW 120V 230V TLHV OLHV Board for OKIOFFICE44 Conversion of main alternating current to the following direct currents 5V DC power supply 8V DC 8...

Page 251: ...image sensor as an analog data After conversion from analog data to 6 bit digital data by A D converter the picture data is sent to DRAM line memory via IOGA by DMA Direct Memory Access Then the pict...

Page 252: ...DRV PC1 IOGA3 2 4 Printer control OST EX Buffer 640 bytes Decoding RLE TIFF ACC32 200 300 converter Smoothing A4 image sensor 8 dots mm PC1 PC2 M M S motor D motor LED head 300 dpi Clutch Heater Ther...

Page 253: ...transferred from DRAM to CPU The CPU performs the picture data processing encode for this picture data FILLER fill bits are inserted etc and again stores into the DRAM The stored encoded data is outpu...

Page 254: ...DRV DRV DRV PC1 IOGA3 2 4 Printer control OST EX Buffer 640 bytes Decoding RLE TIFF ACC32 200 300 converter Smoothing A4 image sensor 8 dots mm PC1 PC2 M M S motor D motor LED head 300 dpi Clutch Hea...

Page 255: ...demodulation by modem the picture data is sent to CPU The CPU performs the picture data processing decode for this picture data and stores into the DRAM Then the stored picture data is again written i...

Page 256: ...D DRV DRV DRV PC1 IOGA3 2 4 Printer control OST EX Buffer 640 bytes Decoding RLE TIFF ACC32 200 300 converter Smoothing A4 image sensor 8 dots mm PC1 PC2 M M S motor D motor LED head 300 dpi Clutch He...

Page 257: ...in the sequence the contents of various data stored in the FLASH memory area in advance under the control of CPU The contents of the frame has been edited on the DRAM by CPU and sent to MODEM via CPU...

Page 258: ...RV DRV DRV PC1 IOGA3 2 4 Printer control OST EX Buffer 640 bytes Decoding RLE TIFF ACC32 200 300 converter Smoothing A4 image sensor 8 dots mm PC1 PC2 M M S motor D motor LED head 300 dpi Clutch Heate...

Page 259: ...d via the telephone line L1 and L2 of the NCU are sent from pin R to Pin RXA1 of the modem After demodulation by the modem the demodulated digital signals are sent to the CPU via the data bus from the...

Page 260: ...V DRV DRV PC1 IOGA3 2 4 Printer control OST EX Buffer 640 bytes Decoding RLE TIFF ACC32 200 300 converter Smoothing A4 image sensor 8 dots mm PC1 PC2 M M S motor D motor LED head 300 dpi Clutch Heater...

Page 261: ...mation Report etc The report data is read into DRAM in the sequence the contents of data stored in the FLASH memory in advance under the control of CPU The contents of data is edited on the DRAM The...

Page 262: ...RV PC1 IOGA3 2 4 Printer control OST EX Buffer 640 bytes Decoding RLE TIFF ACC32 200 300 converter Smoothing A4 image sensor 8 dots mm PC1 PC2 M M S motor D motor LED head 300 dpi Clutch Heater Therni...

Page 263: ...nal route describes the memory reception used in no paper mode no toner reception confidential mode etc The encoded data received by the same route of 3 G3 receive mode undergoes the picture data proc...

Page 264: ...ure A3 1 1 shows the block diagram of CPU and the peripheral circuits 2 Function 1 Crystal oscillator circuit X1 is a 20 MHz crystal oscillator The output wave is fed to the CPU through pin 73 and 74...

Page 265: ...Board Descriptions A 22 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...

Page 266: ...image data processing control for scanning data Strobe signals control for LED head Smoothing control for printing data Interface of the peripheral LSI optional memory and CPU Scanning control Data ad...

Page 267: ...k area report recording etc 2 Mask ROM 3 DRAM 512 KByte DRAM x 2 RAM1 and RAM2 Used as follows Picture memory for the ECM send receive mode Picture memory for the memory transmission mode Picture memo...

Page 268: ...Flash memory 512 KB RAM1 DRAM 512 KB Real time clock IC Back up battery circuit Mask ROM 512 KB A01 to A18 MDMRD N MDWR N RTCCS AD00 to AD15 24V F12VON RP PP circuit MASK CASH N CASL N RASI N RD N WR...

Page 269: ...itor volume by MONC0 MONC1 and MONC2 signal under the control of IOGA3 Output high and low from IC11 passes through the amplifier and is fed to the speaker as a SP signal MONC0 MONC1 MONC2 signal Volu...

Page 270: ...DATA5 under the control of IC6 this picture data is sent to IOGA3 input output gate array Here the picture data undergoes various kinds of picture processings Sensor interface signal output from IOGA3...

Page 271: ...300 bps for binary signals defined in ITU T Rec T 30 Automatic adaptive equalizer for G3 receive data with 300 bps data excluded Generation of signal tones PB tone multi frequency tone generation Det...

Page 272: ...data is loaded in the shift registers it is then loaded in the latch circuit by the HLATCH signal The turning on and off of the LEDs are controlled by STRB1 N to STRB4 N signals LED head interface sig...

Page 273: ...upply PC2 Presence of document at scanning position 3 Others NCU interface signal CML Line seizure control signal DP Dial pulse control signal SR Control signal for connection between LINE and TEL ter...

Page 274: ...CN1 TXD RXD PSMODE IRST OPECHK 5 V GND TXDOPE RXDOPE PSMODE OPRST N OPECHK 5 V 0 V 1 2 3 4 5 6 7 8 9 R44 OPE 04W 13 14 15 CPU IOGA IC2 PCI N RIINT HUP N Figure A3 1 8 Interface between R44 Board and...

Page 275: ...v Man P N 59276801 PC1 PC2 CN7 1 2 3 4 5 6 PC1V 5 V PC1 N to OPE PC1G 0 V PC2 N PC2V 5 V PC2G 0 V R44 Note PC1 presence of document on hopper PC2 presence of document at scanning position CPU to OPE F...

Page 276: ...and clutch 2 Function 1 Drum motor control This drum motor is driven by the motor driver IC9 It is two phase excited and bipolar driven according to the DMPH1 DMPH2 and DMON1 N signals that are genera...

Page 277: ...Board Descriptions A 34 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...

Page 278: ...of the excitation operation Setting of the chopping operation Setting of the motor exciting method 1 2 2 1 phase excitation a Send motor rotation control There are several cases of the rotation opera...

Page 279: ...igure A3 1 13 shows the interface between R44 and memory board Figure A3 1 14 shows the interface between R44 and CTR PC interface unit board Note 1 A 1 Mbyte MEM 2 memory board can be added to the me...

Page 280: ...N1 to PC 20pin BREQ BACK SH7034 RD WRT CASL RMCS AD0 AD7 AD8 AD15 R44 CTR option Transceiver 5V 5V 5V Dir Driver Receiver PD0 PD7 Busy nAck PError Select nFault nStrobe nInit nSelectIn nAutoFd nStrobe...

Page 281: ...escribed in the following table Sensor Type PSIN1 N Inlet sensor 1 This photosensor is positioned before the resist roller to detect whether the paper has entered into the printer section Sensor Name...

Page 282: ...01 CVOPN N PS1 1 2 3 4 PS2 1 2 3 4 PS3 1 2 3 4 PS4 1 2 3 4 WRSNS PSOUT PSIN TNR5N5 16 1 19 21 23 CVOPN N COVER open switch IOGA IC2 5V 5V CN6 CN1 R44 OLHV 5V Write sensor Outlet sensor Inlet sensor To...

Page 283: ...prevents the heater from being overheated in event of failures in the thermistor or temperature control circuit etc Figure A3 1 16 shows the fuser unit temperature control Note Heater control Temperat...

Page 284: ...voltage of about 300V 300V is used for the developing roller The CB cleaning voltage of about 400V is used for the cleaning roller Figure A3 1 17 shows high medium voltages control Signals used to con...

Page 285: ...rts 2 Key switch matrix 8 rows x 8 columns 3 LEDs 8 LEDs 4 LCD unit 2 Key switch scanning Output ports KSCAN0 to KSCAN7 signal corresponding to 8 rows of key matrix are scanned sequentially by the sof...

Page 286: ...Eight LEDs KSCAN0 to KSCAN7 KSENS0 to KSENS7 DB0 to DB7 Control signals CN4 CN1 TXDOPE RXDOPE OPECHK PC1 N 1 1 R44 OPE 04W for OKIOFFICE 44 CPU IOGA 2 2 5 5 13 13 4 4 3 3 15 15 14 14 12 12 OPERST PSM...

Page 287: ...ers for components of the power supply unit cannot always be accepted Functions of unit 048 POW circuit generates the following direct currents DC based on the alternating current AC 120 V 6 15 AC 230...

Page 288: ...100 mVP P Output Noise 250 mVP P 24V CN3 8 1 0A 0 to 1 0A 24 to 38V 500 mVP P 8V CN3 9 0 1A 0 to 0 1A 6 5 to 12V 100 mVP P 250 mVP P 5VS CN3 12 20mA 15 to 50mA 5 4 100 mVP P 250 mVP P 3 Output rating...

Page 289: ...cuit F1 F2 AC IN Heater OUT Main power supply ON OFF Rectifying and smoothing circuit Switching circuit RCC type Regulator circuit Regulator circuit 8 V 24 V 5 V PC1 PC2 PC3 MPON ACON 5 V S Heater con...

Page 290: ...he following parts without an insulating material a High voltage unit b Contact ass y Service Caution The High Voltage Power Supply Unit in the OKIOFFICE 44 is mounted vertically on the left side of t...

Page 291: ...f Q10 2 The positive and negative voltages of DB1 and DB2 are obtained by switching the charg ing direction under the triac and thyristor 3 Feedback is not applied to these outputs However SB2 is limi...

Page 292: ...nning state and the paper size according to the paper arrival time and running time 3 PS3 photosensor 3 PSOUT Supervises the paper feed according to the time of arrival at the sensor and the time of p...

Page 293: ...Board Descriptions A 50 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...

Page 294: ...n Line current detection see note 1 before call origination Dial tone detection see note 1 Generation of dial pulses see note 2 Busy tone detection see note 1 Ringing signal detection 2 Sends various...

Page 295: ...cts the line with the telephone During facsimile transmission it disconnects the telephone 11 PP RL6 If this circuits detects MF or CNG tones without seizuring a line it sets a proper receiving sensit...

Page 296: ...of UNC Figure A3 7 1 TEL1 TEL2 CN2 2 2 CN2 1 2 CN1 AR1 AR2 arresters 1 LINE SR RL2 CML RL1 7 8 C31 R5 C DP RL3 B R10 11 4 T1 E 5 Impedance matching NT PP RL6 A Receiving Sensitivity Adj R574 R504 6 R...

Page 297: ...equency Response Adjustment Receiving Frequency Response Adjustment Handset Interface 3 Explanation of TEL circuit diagram This section describes functional blocks of individual TEL circuit diagram 3...

Page 298: ...erv Man P N 59276801 Block Diagram of TEL U Option Fig A3 8 1 Connected to UNC Circuit CN3 CN1 TEL U option DB1 Rectifier Speech IC IC1 Microphone Receiver Handset Connected to HOOK Circuit CN2 Speech...

Page 299: ...Picture memory for the ECM send receive modes Picture memory for the memory transmission mode Picture memory for the retransmission data Picture memory for the reception in memory 2 Memory capacity 1...

Page 300: ...lue RAM1 RAM2 P SRAM AD0 to AD7 AD0 to AD7 A0 to A18 A0 to A18 RD N PSREAD N PCS1 N to PCS4 N WRL N RD N PSREAD N PCS1 N to PCS4 N WRL N 5 V 0 V 5 V 0 V CPU IOGA MEM 2 option R44 CN CN13 A11 A19 A20 A...

Page 301: ...Board Descriptions A 58 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...

Page 302: ...chine 1 Block diagram CTR board circuit is formed by Receiver Driver and 1284 I F Figure A3 12 1 shows related signals of CTR board 1284 I F Receiver Driver Host PC CN2 CN3 CN1 RD N WRL N PSBN VEROP A...

Page 303: ...A simultaneous operation is not supported in OKIOFFICE 44 but the structure is same as other machine OKIFAX 5000 series a Application layer Performs a function control of each sub system at the Host...

Page 304: ...1 Oki Scanner Control Language 1 Transfers and image data of document scanned in Fax machine to the Host PC with Oki SCL 1 command 3 FaxModem TIA EIA Class 1 Send receive a Class 1 command between Hos...

Page 305: ...Board Descriptions A 62 OKIOFFICE 44 Serv Man P N 59276801 This page was intentionally left blank...

Page 306: ...e with static electricity This electrostatic latent image is formed by the lights irradiated from LED heads 2 Electromagnetic clutch Theelectromagneticclutchcontrolstherotationofthehoppingrolleraccord...

Page 307: ...ter AC voltage supply Iftheheatrollertemperaturerisesabnormally thethermostatoftheheatervoltagesupplycircuitfunctions to forcibly suspend the AC voltage supply 3 Pulse motor Main This pulse motor of 4...

Page 308: ...otor to be driven by normal rotation of pulse motor main Roller control by pulse motor main 1 Normal rotation of pulse motor main 2 Reverse rotation of pulse motor main Drum roller transfer roller cle...

Page 309: ...ge drum by static electricity This adhesion causes the electrostatic latent image to change to a visible image At the same time the residual toner on the image drum is attracted to the developing roll...

Page 310: ...e roller Power supply Transfer roller Cleaning roller Paper eject roller Outlet sensor Power supply Feed roller Hopping roller Heat roller Back up roller Power supply Developing roller Toner cartridge...

Page 311: ...clutch is OFF When the clutch is ON When the clutch is on the hopping gear engages with the clutch plate to rotate the hopping roller When the clutch is off the hopping gear is separated from the clut...

Page 312: ...from gear A The hopping gear will not rotate The triple gear and transfer gear rotate via the idle gear to drive the image drum unit At printing The paper is further advanced in synchronization to th...

Page 313: ...thenegativelychargedsurfaceoftheimagedrum Thesurface potential of the irradiated surface attenuates to form the electrostatic latent image corresponding to the image signal image drum High voltage pow...

Page 314: ...roller is thin coated by the developing blade 3 A toner adheres to the exposure part of the image drum in the contact part between the image drum and developing roller This causes the electrostatic la...

Page 315: ...reverse side by the transfer roller When a high negative voltage is applied from the power supply to the transfer roller the positive charge induced on the surface of the transfer roller moves to the...

Page 316: ...e heat roller constant A thermostat is also installed for safety If temperature rises abnormally this thermostat opens to suspend voltage supply to the heater The backup roller is pressurized to the h...

Page 317: ...ter it has passed the paper sensor Paper outlet jam The trailing part of the paper does not pass the outlet sensor within L mm after the leading part of the paper has passed the outlet sensor 2 52 64...

Page 318: ...Manual P N 59276801 Timing Chart for Paper Feed Tray Feed OFF Reverse rotation OFF ON Pulse motor main Electromagnetic clutch OFF ON Manual feed sensor OFF ON Paper sensor OFF ON Operation mode Warm...

Page 319: ...tchangeovertwocycles Tx2 thetonersensoralarmstateoccurs d After the image drum unit has been replaced after the drum counter has been reset Toner Low is not detected when the drum counter indicates 1...

Page 320: ...ription B 15 OKIOFFICE 44 Service Manual P N 59276801 2 The basic rotation cycle of the toner sensor is as follows Basic rotation cycle of toner sensor T time 4 9 sec t1 1 2 sec 1 2 sec t1 Toner low t...

Page 321: ...ver turns off the microswitch on the high voltage power supply board to suspend 5 V supply to the high voltage power supply This results in the stop of all high voltage outputs At the same time the CV...

Page 322: ...iagrams C 1 OKIOFFICE 44 Service Manual P N 59276801 Appendix C Circuit Diagrams C 1 General Information The OKIOFFICE 44 Circuit Diagrams contain component level repair information and are OKIDATA pr...

Page 323: ...Circuit Diagrams C 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 324: ...Illustrated Parts List D 1 OKIOFFICE 44 Service Manual P N 59276801 SECTION 1 SECTION 9 SECTION 3 4 SECTION 8 SECTION 2 11 SECTION 10 SECTION 5 6 7 OPTION TELEPHONE APPENDIX D ILLUSTRATED PARTS LIST...

Page 325: ...Illustrated Parts List D 2 OKIOFFICE 44 Service Manual P N 59276801 54 Section 1 Cabinet Assembly 1 2...

Page 326: ...40092201 RSPL 10a 40044501 Board UNC 1 40044501 RSPL US 10b 40044307 Board WN5 1 44044307 RSPL OKI INT 13 40023701 Plate Assy Base 1 40023701 RSPL 14 40023901 Bracket Package 1 40023901 RSPL 15 40236...

Page 327: ...Illustrated Parts List D 4 OKIOFFICE 44 Service Manual P N 59276801 54 Section 1 Cabinet Assembly 2 2...

Page 328: ...N A 32 B Tapping Screw FA N A 33 B Screw B N A 34 Screw N A 35 Screw 1 N A 39 40140801 Bracket Damper 1 40140801 RSPL 40 40148201 Gear Damper 1 40148201 RSPL 41 40025701 Tray Document 1 40025701 RSPL...

Page 329: ...Illustrated Parts List D 6 OKIOFFICE 44 Service Manual P N 59276801 Section 2 Printer Unit...

Page 330: ...IOFFICE 44 Service Manual P N 59276801 Rev No Oki parts Number Description Q ty OKIDATA P N 1 N A Printer Unit Assembly See Section 11 5 4YA4130 1004G1 PCB High VOlt P S 1 55080401 RSPL 7 Screw F N A...

Page 331: ...Illustrated Parts List D 8 OKIOFFICE 44 Service Manual P N 59276801 Section 3 Operator Panel...

Page 332: ...al P N 59276801 Rev No Oki parts Number Description Q ty OKIDATA P N 1 40022701 OP Panel Assy 1 40022701 RSPL 2 40023410 Sheet F 048 1 40023410 RSPL 3 40023501 Sheet O 048 1 40023501 RSPL 4 40023601 S...

Page 333: ...Illustrated Parts List D 10 OKIOFFICE 44 Service Manual P N 59276801 Section 4 Operator Panel Assembly...

Page 334: ...e OPE T N A 2 40086701 Board 04W 1 40086701 RSPL 3 N A Holder LCD N A 4 N A Button Function N A 5 N A Ten Key Round N A 6 40023201 Button Start 1 40023201 RSPL 7 40023301 Button Stop 1 40023301 RSPL 9...

Page 335: ...Illustrated Parts List D 12 OKIOFFICE 44 Service Manual P N 59276801 Section 5 Frame Assembly Scanner L...

Page 336: ...40020701 Spring Exit 2 40020701 RSPL 8 40127501 Connection Cord Speaker 1 40127501 RSPL 9 4YB4120 1121P001 Sensor Contact Image 1 50410101 RSPL 12 N A Plate Scanner L N A 13 N A Plate Assy Scanner R N...

Page 337: ...Illustrated Parts List D 14 OKIOFFICE 44 Service Manual P N 59276801 Section 6 Plate Assembly Scanner B...

Page 338: ...ist D 15 OKIOFFICE 44 Service Manual P N 59276801 Rev No Oki parts Number Description Q ty OKIDATA P N 1 N A Plate Scanner B 1 N A 3 4YB4120 1137P001 Sensor Photo 2 50410001 RSPL Section 6 Table Plate...

Page 339: ...Illustrated Parts List D 16 OKIOFFICE 44 Service Manual P N 59276801 Section 7 Plate Assembly Scanner R...

Page 340: ...7 OKIOFFICE 44 Service Manual P N 59276801 Rev No Oki parts Number Description Q ty OKDIATA P N 1 N A Plate Scanner R N A 2 40084301 Motor S FX 048 1 40084301 RSPL 3 N A B SCREW FA N A Section 7 Table...

Page 341: ...Illustrated Parts List D 18 OKIOFFICE 44 Service Manual P N 59276801 Section 8 Frame Assembly Scanner U...

Page 342: ...Support 1 N A 5 40021401 Spring Pinch L 1 40021401 RSPL 6 40021501 Spring Pinch R 1 40021501 RSPL 8 40021701 Guide Sensor B 2 40021701 RSPL 9 40021801 ADF SPRING 1 40021801 RSPL 11 N A B SCREW FA 1 N...

Page 343: ...Illustrated Parts List D 20 OKIOFFICE 44 Service Manual P N 59276801 Section 9 Cover Assembly Top...

Page 344: ...items shown 1 N A Cover Top N A 2 40022301 Holder LED 1 40022301 RSPL 3 N A Guide Document L N A 4 N A Guide Document R N A 6 4PP4128 1268P001 PLATE EXIT 2 N A 7 4PP4083 2024P001 EJECT ROLLER A 2 N A...

Page 345: ...Illustrated Parts List D 22 OKIOFFICE 44 Service Manual P N 59276801 Section 10 Plate Assembly Base...

Page 346: ...Rev No Oki parts Number Description Q ty OKIDATA P N 40023701 Plate Assy Base 40023701 RSPL 1 N A Plate Base N A 2 N A RUBBER A N A 3 40026001 Sheet Insulation 1 40026001 RSPL 4 40128001 Cord Flat 1 4...

Page 347: ...44 Service Manual P N 59276801 Section 11 Printer Base Frame Unit 1 of 2 37 36 47 34 36 35 38 39 51 42 30 40 30 31 30 41 52 29 28 24 Note 24 is a small part on item 21 21 27 25 23 22 20 19 17 18 1 3...

Page 348: ...Magnet H Hopping Shaft 1 50809001 RSPL 14 3PA4083 1133G1 Shaft Hopping Assy 1 51113901 RSPL 15 NK2 10 SUS Pin Knock 1 50607901 RSPL 16 4PP4083 1143P1 Gear Idle R 1 51237501 RSPL 17 3PP4083 1184P1 Gea...

Page 349: ...44 Service Manual P N 59276801 Section 11 Printer Base Frame Unit 2 of 2 37 36 47 34 36 35 38 39 51 42 30 40 30 31 30 41 52 29 28 24 Note 24 is a small part on item 21 21 27 25 23 22 20 19 17 18 1 3...

Page 350: ...ressure B Back Up Roller 1 53348502 RSPL 38 3PP4083 1233P1 Guide Paper R 1 51021901 RSPL 39 3PP4083 1232P1 Guide Paper L 1 51021801 RSPL 40 1PP4083 1231P1 Holder Paper 1 50708901 RSPL 41 3PP4083 1192P...

Page 351: ...Illustrated Parts List D 28 OKIOFFICE 44 Service Manual P N 59276801 Section 12 Cables...

Page 352: ...RSPL 4 40040301 Connection Cord Wire PC1 2 1 40040301 RSPL 5 105A1070C0003 TFC 20 10 10 Core 1 6 105A1070C0004 TFC 23 11 14 Core 1 7 105A1073C4002 SSC 40 12 M Core 1 8 1051070C0001 TFC 16813 Core 1 9...

Page 353: ...9106 OKIOFFICE 44 120 V English French P N 62209104 OKIOFFICE 44 220 V English Spanish P N 62209102 OKIOFFICE 44 220 V Enlgish Portuguese P N 62209105 Consumables Drum Image P N 56116101 Cartridge Ton...

Page 354: ...275401 Manual OCR P N 59278201 Service Technical Manuals Kit OKIOFFICE 44 Service Training P N 58220401 Includes the items listed below Sheet ID P N 58323201 Sheet Read Me First P N 58323301 Manual Ce...

Page 355: ...Illustrated Parts List D 32 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 356: ...ops voltages of up to 1300 VDC as part of the normal printing process OKIDATA recommends that the unit be powered OFF AC supply cord discon nected before removing the Main Cover for service In the eve...

Page 357: ...Board Layout E 2 OKIOFFICE 44 Service Manual P N 59276801 MEM eps E 2 MEM PCB...

Page 358: ...Board Layout E 3 OKIOFFICE 44 Service Manual P N 59276801 TEL U eps E 3 TEL U PCB...

Page 359: ...Board Layout E 4 OKIOFFICE 44 Service Manual P N 59276801 Hook eps E 4 Hook PCB...

Page 360: ...Second Paper Feeder F 1 OKIOFFICE 44 Service Manual P N 59276801 Appendix F Second Paper Feeder F 1 General Information The OKIOFFICE 44 does not have a second paper feeder...

Page 361: ...Second Paper Feeder F 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 362: ...l Reset Load Data to Fax Save Remote Fax Data User Data Tech Data One Touch and Auto Dial Edit On Line Edit File Off Line Test On Line Enviroment RMCS Terminate LOGON ID Password USER DATA BACKUP DELE...

Page 363: ...d Contents Before using this system the packaged contents with the package list Contact your dealer if any component from the package 1 2 Required Devices The following devices and software are requir...

Page 364: ...ection diagram of RMCS Model 20 with other devices No problem is caused for the basic operation of this system even if no telephone set connected 2 1 1 Mounting Procedures 1 Before operation disconnec...

Page 365: ...activated by using the hard disk insert an RMCS system disk into drive A When C _ is displayed enter commands as shown below to activate the installation program C A Enter A INST Enter Select processi...

Page 366: ...ferent from that of updating First the flow of new registration is described below 1 Enter the drive No used to register the system RMCS SETTING Remote Management Center System Press the Esc key to ca...

Page 367: ...extension slot and conflicting address space are being used change the address space with the dip switches then set the contents by using 1 and 0 When you use RMCS Model 20 you need only press Enter O...

Page 368: ...SE SYS for using the mouse If RMCS is already set in the IBM PC AT RMCS SETTING MENU is displayed as below 6 When updating enter Y Then updating status When not updating enter N RMCS SETTING Remote Ma...

Page 369: ...y The model number is displayed and the confirmation screen is displayed 3 When the model number to be registered is correct enter Y The program corresponding to the model number is now registered If...

Page 370: ...on screen is also displayed 3 When the model number deleted is correct enter Y The program corresponding to the model number is now deleted If not correct enter N Then repeat from step 1 again FAX DEL...

Page 371: ...uding Press Enter to display the confirmation screen 3 When the setting is correct enter Y The password is now updated If not correct enter N Then repeat from step 1 again If the system operator does...

Page 372: ...ting refer to 2 2 1 After setting is completed press Enter Then the screen for verification is displayed 3 When the setting is corrected enter Y The dip switches are now updated If not correct enter N...

Page 373: ...Deleting the RMCS Basic System 1 When to delete enter Y then whole RMCS system is deleted When not to delete enter N Then the installation menu appears RMCS DELETE Remote Management Center System Pre...

Page 374: ...assword entry screen is displayed 3 1 2 Entering the ID and Password The ID is recorded in the operation report as part of the system operator history Enter up to 50 alphanumeric characters except for...

Page 375: ...S Caution After terminating remote management restore the original facsimile terminal setting See to Unable remote diagnosis 3 2 2 Selecting Destination Drive Now select the destination drive Press Sp...

Page 376: ...cation port setting Select communication port to connect the IBM PC AT and PC I F Frame size setting Select a frame size for each frame to transfer TEL number data and program language default data du...

Page 377: ...een is displayed Enter the key No indicated on the left of the model to modify Then the screen for file selection is displayed Press Page Up or Page Down to scroll the screen back to the previous page...

Page 378: ...IFY SCRN1000 TX SCRN2000 TX SCRN3000 TX SCRN4000 TX SCRN5000 TX SCRN1010 TX SCRN2010 TX SCRN3010 TX SCRN4010 TX SCRN5010 TX SCRN1020 TX SCRN2020 TX SCRN3020 TX SCRN4020 TX SCRN5020 TX SCRN1030 TX SCRN...

Page 379: ...he left side of the model with a message reset Press Page Up or Page Down to scroll the screen back to the previous page or up to the next page Press Esc to terminate the FAX model selection and retur...

Page 380: ...4 5 Other Message File In addition to the scrn OOOO lx file the following message files are available REMOTE MANAGEMENT CENTER SYSTEM MESSAGE MODIFYING TOOL MESSAGE LOAD SOURCE A FD DESTINATION RMCS...

Page 381: ...RMCS System G 20 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 382: ...by OKIDATA s Customer Service and Support Group A wide variety of information is available through Faxable Facts It is frequently updated You must use a touch tone telephone to contact Faxable Facts...

Page 383: ...Product Service Bulletins H 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 384: ...ltages of up to 1300 VDC as part of the normal printing process OKIDATA recommends that the unit be powered OFF AC supply cord disconnected before removing the Main Cover for service In the event that...

Page 385: ...Product Service Bulletins H 4 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 386: ...Support Group A wide variety of information is available through Faxable Facts It is frequently updated You must use a touch tone telephone to contact Faxable Facts and have your fax number ready when...

Page 387: ...Recommended Spare Parts List I 2 OKIOFFICE 44 Service Manual P N 59276801 This page was intentionally left blank...

Page 388: ...OKIOFFICE 44 Service Manual Part Number 59276801 Printed in the USA...

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