Oki OKIFAX4550, Maintenance Manual

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41309401TH Rev.4
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01 ISDN Board NG (01) ISDN Board NG (code:01) at self diagnosis
02 ISDN Board NG (02) ISDN Board NG (code:02) at self diagnosis Figure H.9
03 ISDN Board NG (03) ISDN Board NG (code:03) at self diagnosis Figures H.10 (1/3~3/3)
04 ISDN Board NG (04) ISDN Board NG (code:04) at self diagnosis Figures H.11 (1/3~3/3)
05 ISDN Board NG (05) ISDN Board NG (code:05) at self diagnosis
06 CPU ROM HASH NG CPU ROM HASH NG at self diagnosis
07 CPU RAM NG CPU RAM NG at self diagnosis
08 PROGRAM HASH NG PROGRAM HASH NG at self diagnosis Figure H.9
09 RAM NG RAM NG at self diagnosis Figure H.12
10 DPRAM NG DPRAM NG at self diagnosis Figures H.10 (1/3~3/3)
11 G4 mode communication NG Communication error at G4 mode on ISDN Figures H.11 (1/3~3/3),
Figures H.13 (1/2, 2/2)
12 G3 mode communication NG Communication error at G3 mode on ISDN Figures H.14 (1/2, 2/2)
13 G4 mode PC loading NG PC loading error (G4 program) Figure H.9,
Figures H.10 (1/3~3/3),
Figure H.12
14 Power ON NG (01) LCD display "ISDN BOARD I/F ERROR" Figure H.9,
at power on Figures H.10 (1/3~3/3),
Figures H.11 (1/3~3/3)
15 Power ON NG (02) G4N board isn’t detected.
No. Description Remarks See:
3.3 O4W Board
3.4 G4N Board
01 LCD display NG LCD not displayed (LCD failures excluded)
02 Operation not responded Key press or LED invalid
No. Description Remarks See:
3.2 R46 Board (OKIOFFICE87)
01 Memory error LCD display or test print NG Figures H.1 (1/4~4/4)
02 Reading running system NG Document feed error, etc. Figure H.2
03 Read image data NG All white, all black, image disturbance, etc. Figures H.3 (1/2, 2/2)
04 Heater NG Printer alarm 4, etc.
05 Recording paper running system NG Recording paper feed error, etc. Figures H.4 (1/2, 2/2)
06 Printed image data NG Sector missing, positive after-image, etc. Figures H.5 (1/6~6/6)
07 Sending NG Call origination error, protocol sending/
receiving error, etc.
08 Receiving NG Call termination error, protocol sending/
receiving error, etc.
09 Clock NG Clock display error, time error, etc. Figures H.7 (1/2, 2/2)
10 No sound from the speaker Buzzer/monitor error, etc.
11 PC I/F not operating correctly PC print/PC FAX error, etc. Figures H.8 (1/2, 2/2)
12 Operation I/F not operating correctly LCD not displayed, key invalid, etc.
No. Description Remarks See: