Oki B4100 - Manual (Page 237)

40055101TH Rev.4 237 /
7.1.1 Overall Troubleshooting Flow Chart
Key operation activates
the OKIFAX 4100/
OKIOFFICE44
Perform SELF-DIAGNOSIS.
Print test OK?
LCD works?
ALARM LED lights?
(Pressing SELECT FUNCTION key causes
"SELECT FUCTION (OT) MEMORY AVALI=100%" to appear on LCD?
Pressing STOP key makes a key touch-tone?)
Yes
RAM check OK?
Yes
FLASH memory 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 on).
No
Replace MCNT and/or OPE (O4W) unit.
Go to 7.1.4 (Printing test failure).
Replace FLASH memory(s) on MCNT
board
Go to 7.1.5 (No local copy).
Go to 7.1.6 (Auto dial failure).
Go to 7.1.7 (Transmission problem).
Go to 7.1.8 (Auto reception failure).
Go to 7.1.9 (Reception problem).
Note*:
Replace RAM(s)
(RAM1-2 on MEM board, RAM1-2 on
MCNT board)
Yes
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes OPT-RAM "OK" or "NG" is
printed when the MEMORY board
(Option) is inserted on the MCNT
board.
Note: R44 board for OKIFAX 4100/
OKIOFFICE44 shown as MCNT.