Troubleshooting Flow Charts Of Printer Unit - Oki B 4100 Maintenance Manual

7.1.22.2 Troubleshooting Flow Charts of Printer Unit

Overall troubleshooting flow chart:
Troubles
Category
Cover open
Image drum
alarm
Engine errors
Recording paper/
jam error
Paper cassette
request
Daily status
40055101TH Rev.4
Troubles indicated
by LCD message
Image troubles
(Trouble not indicated
by LCD messages)
Table 7.1.22.1 LCD Message Trouble List
LCD message display
14:14 [FAX]
COVER OPEN
14:14 [FAX]
CHANGE DRUM SOON
PRINTER ALARM 2[TEL]
PLEASE CONFIRM
PRINTER ALARM 4[TEL]
PLEASE CONFIRM
PAPER OUT/JAM [FAX]
REPLACE PAPER
PAPER OUT/JAM [FAX]
REPLACE PAPER
TONER LOW [FAX]
REPLACE TONER CART.
14:14 [FAX]
REPLACE TONER CART.
Troubleshoot
according to the LCD
message trouble list.
See Table 7.1.22.1
Troubleshoot
according to the image
trouble list.
See Table 7.1.22.3
Trouble
The cover (cover-top) is open.
Warning message to replace EP unit
because of its life.
Engine controller error
Fuser unit thermal error
Recording paper feed jam, transport jam,
ejection jam, recording size error
No recording paper tray or no
recording paper
Toner is running short.
Note: No toner memory RX is ON.
Toner is running short.
Note: No toner memory RX is OFF.
Perform detailed
troubleshooting with
one of troubleshooting
from 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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