background image

H:OPEN
L:CLOSE

H:Paper
present
L:Paper
absent

H:Home
position
L:Except in
the home
position

H:Home
position
L:Except in
the home
position

H:Not to
drive
L:Drive

H/L:Clock

H:Paper
detect position
L:Except in
the paper
detect position

H:Open
L:Close

Table 5-1-2  Paper Size Detection, Various Paper Types and Bits

corrected 2-11

No.

1

Detail

Top of the

Display

Display

2

Detail

Display

3

Detail

Display

4

Detail

Display

32

33

34

35

36

37

38

39

40

41

42

43

DUP
STACK_COVER

FIN S01_S02_
S03_S04

FIN S05_S06_
S07_S08

FIN S09_S10_
S11_S12

FIN S13_S14_
S15_S16

FIN S17_S18_
S19_S20

FIN S21_S22_
S23_S24

FIN S25_S26_
S27_S28

FIN S29_S30_
S31_S32

INV IN_OUT_
EXIT_COV

INV REMAIN_
JOINT

HALL BELT_
DT-BOX_DCT

Dup-Stack Sns

Uper Cover Sns
[PI23]

Bookbinding
position
Sns[PI10]

Bookbinding
tray paper Sns
[PI13]

Rear matching
home position
Sns [PI5]

Staple / fold
motor clock
[PI14]

Staple home
position
Sns[PI19]

Lower stack tray
Sns [PI16]

Stack tray paper
Sns [PI8]

Entrance Sns
[FP1]

Lower Sns[FP3]

Belt Hole IC

Port Level
H, L

H:OPEN
L:CLOSE

H:Paper
present
L:Paper
absent

H:Paper
present
L:Paper
absent

H:Home
position
L:Except in
the home
position

H/L:Clock

H:Home
position
L:Except in
the home
position

H:Lower
position
L:Except in
the lower
position

H:Paper
present
L:Paper
absent

H:ON
L:OFF

H:ON
L:OFF

H:ON
L:OFF

Dup-Cover
Open Sns

Front door Sns
[PI22]

Processing  tray
Sns [PI6]

Bookbinding
home position
Sns [PI11]

Belt home
position outlet
Sns [PI7]

Self prime Sns
[PI21]

Stapler slide
home position
Sns [PI18]

Upper stack tray
Sns [PI15]

Punch connect
signal

Outlet Sns
[FP2]

Inverter
connected Sns
[FP4]

Waste Toner
Box Hole IC

Port Level
H, L

H:OPEN
L:CLOSE

H:Paper
present
L:Paper
absent

H:Home
position
L:Except in
the home
position

H:Home
position
L:Except in
the home
position

H:Start
staple
detection
L:Staple
absent

H:Home
position
L:Except in
the home
position

H:Upper
position
L:Except in
the upper
position

Hconnected
Lunconnected

H:ON
L:OFF

H:ON
L:OFF

H:ON
L:OFF

Front door SW
[MS2]

Entrance Sns
[PI1]

Bookbinding
roller home
position Sns
[PI12]

Feed roller
home position
Sns[PI3]

Staple Sns
[PI20]

Stapler connect
signal

Interlevel stack
tray Sns [PI24]

PU

Inverter

Exit Sns Signal

PU

Inverter

CNT2 Signal

Waste Toner
Hole IC

H:OPEN
L:CLOSE

H:Paper
present
L:Paper
absent

H:Home
position
L:Except in
the home
position

H:Home
position
L:Except in
the home
position

H:Staple
absent
L:Staple
present

Hconnected
Lunconnected

H:Interlevel
detection
L:Interlevel
undetection

H:ON
L:OFF

H:ON
L:OFF

H:ON
L:OFF

Joint SW [MS1]

Punch timing
Sns

Front matching
home position
Sns [PI4]

Paddle home
position [PI2]

Stapler safty
SW [MS3]

Stack tray lift
motor
clock[PI17]

Paper stack tray
Sns [PI9]

Cover open SW
[FMS1]

No.

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

Paper

No cassette

B5-L

Legal 13-S

B5-S

A4-L

Letter-L

A5-S

A4-S

B4-S

A3-S

Legal 14-S

Executive-S

A3nobi-S

Ledger-S

A6-S

Letter-S

1

H

H

H

H

H

H

H

H

L

L

H

L

L

L

L

L

2

H

H

H

H

L

L

L

L

H

H

L

H

L

L

L

L

3

H

H

L

L

H

H

L

L

H

H

H

L

H

H

L

L

4

H

L

H

L

H

L

H

L

H

L

L

L

H

L

H

L

Troubleshooting Guide Page 12

Summary of Contents for C910

Page 1: ...C910 C930 Troubleshooting Guide Distributed at the Oki Data A3 C9 Service Training Classes Rev 3 20 Troubleshooting Guide Page 1...

Page 2: ...This Page Intentionally Left Blank Troubleshooting Guide Page 2...

Page 3: ...ENU OKIUSER OKIUSER Set the destination JPOEM1 Japan OEM OEMA A4 Default Overseas OEM OEML Letter Default Overseas OEM Automatically reboot after escaping from the menu The default value for non PS mo...

Page 4: ...reboots after the settings are made and applied Some of the PU network etc cannot be initialized Changes the default PDL language supported according to the destination The PDL language disabled from...

Page 5: ...pressing order HDD NO 0 0 3 3 HDD YES 0 0 0 3 3 Vertical Black White Lines Vertical Black White Lines Vertical Black White Band Vertical Black White Band Horizontal Black White Lines Horitzontal Blac...

Page 6: ...ust in the printouts Decrement this set ting if there is any scattering in high density printing or if there is snow like patterns in the printout Incre ment this setting if the printout ap pears whit...

Page 7: ...maintenance mode tests the basic operation of the print engine components 5 1 2 1 Operation Panel Instructions on self diagnosis operations is based on the following Operation Panel layout as a prere...

Page 8: ...the System Maintenance Mode 2 Press the MENU and MENU key until the DIAGNOSTIC MODE is displayed 3 Diagnostic Mode XX XX XX appears on the LCD panel The XX XX XX stands for the version of the ROM At...

Page 9: ...st from Table 5 1 1 appears at the top of the display Press the MENU and MENU keys The MENU key Increment Test Item the MENU key Decrement Test Item PAPER ROUTE PU 1 H 2 L 3 H 4 L 4 The test is starte...

Page 10: ...S 21 2 2ndLifter SNS 21 2 2ndLifter SNS 21 3 2ndFeed SNS 21 3 2ndFeed SNS 20 3 Cover Open 2nd SW 20 3 Cover Open 2nd SW 17 2 1stPaper Near END SNS 17 2 1stPaper Near END SNS 17 1 1stPaper END SNS 17 1...

Page 11: ...Toner Y Sns Cover Left Upper Stacker Full Sns Face up Aligment Right Sns Lower Center Thermister Temperture Sns TAG Y presence Y Drum Phase Sns Paper Slack Sns Disposal toner box Y Toner Supply Sns MP...

Page 12: ...home position outlet Sns PI7 Self prime Sns PI21 Stapler slide home position Sns PI18 Upper stack tray Sns PI15 Punch connect signal Outlet Sns FP2 Inverter connected Sns FP4 Waste Toner Box Hole IC P...

Page 13: ...start blinking Then the applicable unit will drive for 10 seconds After driving for 10 seconds it will return to State 2 The drive will start again by re pressing the applicable switch To drive the a...

Page 14: ...Y2 MOTOR TRAY2 GEARED MOTOR TRAY2 FEED MOTOR TRAY2 ROLLER CLUTCH REGIST MOTOR REGIST CLUTCH 2ndCLUTCH TRAY1 MOTOR MPT MOTOR FAN POWER DUP MOTOR 2 DUP MOTOR 1 EXIT SOLENOID REGISTRATION SHUTTER FAN FUS...

Page 15: ...AY 2 is installed TRAY 3 is installed TRAY 4 is installed TRAY 5 is installed TRAY 2 is installed and the cassette is not installed TRAY 2 is installed and the cassette is not installed TRAY 2 is inst...

Page 16: ...Y K TONER SUPPLY Y TONER SUPPLY KY TONER SUPPLY M TONER SUPPLY C TONER SUPPLY MC DISPOSAL TONER TUBE ID UP DOWN Drive Limitation Finisher is installed Finisher is installed Finisher is installed Finis...

Page 17: ...This detects the top of the paper entering and then determines the timing to switch from the hopping to the conveyor This detects the tip of the paper transferred then determines the length of the pa...

Page 18: ...9 RFID Sensor The radio communications of this sensor are carried out to IC tip built in the toner cartridge and it checks the existence of a toner cartridge and the toner residual quantity in a tone...

Page 19: ...INISHER 2 Setting value A 0 TRAY1 TRAY2 TRAY3 TRAY4 TRAY5 MPF 0 ON OFF 3 PAGES STACK OFF 1 PAGES STACK OFF ON OUTPUT BIN PUNCH OFFSET STAPLE STAPLE PAGE INVERT Function Press Enter to start printing o...

Page 20: ...r to be turned on or off Press MENU or MENU to turn the setting of each color on or off respectively OK to add Press BACK to exit the print color setting mode FINISHER Setting 1 When FINISHER is shown...

Page 21: ...n 3 Pattern 4 Pattern 7 Pattern 5 Pattern 6 Print Test Pattern Pattern No 0 1 2 3 4 5 6 7 Print pattern None blank page 2 by 2 4 by 4 Horizontal line Slanted line Vertical line Vertical band Full Trou...

Page 22: ...MENU key to switch the display YTR MTR CTR and KTR are image transfer voltage settings of each color Unit KV Press MENU key to switch the display YR MR CR and KR represent the electric current uA of t...

Page 23: ...lacing the applicable RAM DIMM Is this a standard RAM DIMM Is the applicable RAM DIMM difference mounted normal Is operation restored by replacing the applicable RAM DIMM Is this a standard RAM DIMM I...

Page 24: ...te not possible with EEPROM or Flash Is the error display reproducible Is the error display reproducible Does the Error take place again Remedy Replace CU PCB Must replace EEPROM 1 Replace Program ROM...

Page 25: ...again Sensor Dew Error Detected 1 Is the fuser cooling fan operating 2 Cooling fan is replaced but Error occurs again Error was detected in each fan 01 Fuser FAN Error 02 Power FAN Error 03 PU Motor...

Page 26: ...sage displayed 2 Does the Error take place again 1 Is an Error message displayed 2 Does the Error take place again 1 Is an Error message displayed 2 Does the Error take place again Remedy ICheck the O...

Page 27: ...medy Turn ON power again Leave in that state for 30 minutes then turn ON power again Assemble the proper fuser Check to see that the fuser is properly assemble Replace fuser Turn ON power again Replac...

Page 28: ...oes the Error take place again 1 Has any abnormal substance get mixed in with the sensor 2 Can the paper thickness detection be reset and restored by opening closing the tray 3 Is operation restored b...

Page 29: ...er replacing the belt Are operations restored by re inserting the Double Side Printer Unit Check paper jam in double side printer Check paper jam in double side printer Check misfeed in double side pr...

Page 30: ...normal 1 Check if the stacker is full 2 Check if the Stacker Full Sensor activator is normal 1 Check if MT is Out Of Paper 2 Check and see if the out of paper sensor activator is normal 1 Check and se...

Page 31: ...perly 24 V power is not supplied to tray 4 properly 24 V of power is not supplied to tray 5 properly The fuser is not operating properly Does the error still occur Remedy Refill with paper Check Paper...

Page 32: ...is not a standard official product The ASP PCB HDD program does not match the destina tion The ASP PCB EEPROM unmounted or EEPROM Error is detected Remedy Check to confirm that the waste toner transf...

Page 33: ...place image drum cartridge 2 50 Development Roller Replace image drum cartridge 2 27 Toner Supply Roller Replace image drum cartridge 1 73 Charge Roller Replace image drum cartridge 4 45 Fuser Roller...

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