Troubleshooting Flow Charts Of Printer Unit - Oki OKIFAX4550 Maintenance Manual

7.22.2 Troubleshooting Flow Charts of Printer Unit

Overall troubleshooting flow chart:
Troubles
LCD message display
Category
Cover open
Image drum
alarm
CHANGE DRUM SOON
PRINTER ALARM 2 TEL
PLEASE CONFIRM
Engine errors
PRINTER ALARM 4 TEL
PLEASE CONFIRM
Recording paper/
PAPER OUT/JAM
jam error
REPLACE PAPER
Paper cassette
PAPER OUT/JAM
request
REPLACE PAPER
TONER LOW
REPLACE TONER CART.
Daily status
REPLACE TONER CART.
41309401TH Rev.4
Troubles indicated
by LCD message
Image troubles
(Trouble not indicated
by LCD messages)
Table 7.22.1 LCD Message Trouble List
14:14
The cover (cover-top) is open.
COVER OPEN
Warning message to replace EP unit
14:14
because of its life.
Engine controller error
Fuser unit thermal error
Recording paper feed jam, transport jam,
FAX
ejection jam, recording size error
No recording paper tray or no
FAX
recording paper
Toner is running short.
FAX
Note: No toner memory RX is ON.
Toner is running short.
14:14 FAX
Note: No toner memory RX is OFF.
Troubleshoot
according to the LCD
message trouble list.
See Table 7.22.1
Troubleshoot
according to the image
trouble list.
See Table 7.22.3
Trouble
Perform detailed
troubleshooting with
one of troubleshooting
flow chart 1 to 6.
Perform trouble-
shooting with one of
troubleshooting
flow chart 7 to 14.
Troubleshooting
flow chart number
1
2
3
4
5
6
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