R46 Board (Okioffice87); O4W Board; G4N Board - Oki OKIFAX4550 Maintenance Manual

3.2 R46 Board (OKIOFFICE87)
No. Description
01 Memory error
02 Reading running system NG
03 Read image data NG
04 Heater NG
05 Recording paper running system NG Recording paper feed error, etc.
06 Printed image data NG
07 Sending NG
08 Receiving NG
09 Clock NG
10 No sound from the speaker
11 PC I/F not operating correctly
12 Operation I/F not operating correctly
3.3

O4W Board

No. Description
01 LCD display NG
02 Operation not responded
3.4 G4N Board
No. Description
01 ISDN Board NG (01)
02 ISDN Board NG (02)
03 ISDN Board NG (03)
04 ISDN Board NG (04)
05 ISDN Board NG (05)
06 CPU ROM HASH NG
07 CPU RAM NG
08 PROGRAM HASH NG
09 RAM NG
10 DPRAM NG
11 G4 mode communication NG
12 G3 mode communication NG
13 G4 mode PC loading NG
14 Power ON NG (01)
15 Power ON NG (02)
41309401TH Rev.4
Remarks
LCD display or test print NG
Document feed error, etc.
All white, all black, image disturbance, etc.
Printer alarm 4, etc.
Sector missing, positive after-image, etc.
Call origination error, protocol sending/
receiving error, etc.
Call termination error, protocol sending/
receiving error, etc.
Clock display error, time error, etc.
Buzzer/monitor error, etc.
PC print/PC FAX error, etc.
LCD not displayed, key invalid, etc.
Remarks
LCD not displayed (LCD failures excluded)
Key press or LED invalid
Remarks
ISDN Board NG (code:01) at self diagnosis
ISDN Board NG (code:02) at self diagnosis
ISDN Board NG (code:03) at self diagnosis
ISDN Board NG (code:04) at self diagnosis
ISDN Board NG (code:05) at self diagnosis
CPU ROM HASH NG at self diagnosis
CPU RAM NG at self diagnosis
PROGRAM HASH NG at self diagnosis
RAM NG at self diagnosis
DPRAM NG at self diagnosis
Communication error at G4 mode on ISDN
Communication error at G3 mode on ISDN
PC loading error (G4 program)
LCD display "ISDN BOARD I/F ERROR"
at power on
G4N board isn't detected.
See:
Figures H.1 (1/4~4/4)
Figure H.2
Figures H.3 (1/2, 2/2)
Figures H.4 (1/2, 2/2)
Figures H.5 (1/6~6/6)
Figures H.7 (1/2, 2/2)
Figures H.8 (1/2, 2/2)
See:
See:
Figure H.9
Figures H.10 (1/3~3/3)
Figures H.11 (1/3~3/3)
Figure H.9
Figure H.12
Figures H.10 (1/3~3/3)
Figures H.11 (1/3~3/3),
Figures H.13 (1/2, 2/2)
Figures H.14 (1/2, 2/2)
Figure H.9,
Figures H.10 (1/3~3/3),
Figure H.12
Figure H.9,
Figures H.10 (1/3~3/3),
Figures H.11 (1/3~3/3)
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