Oki C3200n Service Manual page 185

Message
Power off/on
901:Error
902:Error
Power off/on
903:Error
904:Error
Service call
905:Error
Service call
906:Error
Service call
907:Error
Service call
908:Error
Loader V. xx.xx
PW-LSI ERROR
Loader V. xx.xx
S-RAM ERROR
42615101TH Rev.8
Table 7-1-2 Service Call Error (6/7)
Cause
Short or open in Is belt thermistor cable setting
belt thermistor proper?
detected.
Does error reoccur?
Abnormal tem- Is belt thermistor cable setting
perature detected proper?
by belt thermistor
(high-temp or low Does error reoccur?
temp.)
An open error of
frame thermistor Does error reoccur?
(defective ther-
mistor or improper
connection)
detected.
A short circuit
error of frame Does error reoccur?
thermistor (defec-
tive improper)
detected.
A high tempera-
ture error (over Does error reoccur?
150°C) of frame
thermistor de-
tected.
A low temperature
error (below Does error reoccur?
[environmental
temperature
minus 10]°C) of
frame thermistor
detected.
A high-voltage Is the cable between the PU
power unit board and the high-voltage
interface error at power unit connected properly?
initialization.
Is there poor contact?
A PU board
SRAM error.
Does error reoccur?
Error Description
Oki Data CONFIDENTIAL
Solution
No Connect cable set
properly again.
Yes Turn power ON again.
Yes Replace belt
thermistor.
No Connect cable set
properly again.
Yes Turn power ON again.
Yes Replace belt thermistor
and leave aside for 30
min. Then turn power
ON again.
Turn power ON again.
Yes Replace the fuser unit.
Turn power ON again.
Yes Replace the fuser unit.
Turn power ON again.
Yes Replace the fuser unit.
Turn power ON again.
Yes Replace the fuser unit.
No Connect the cable
properly.
Yes Check the high-voltage
system for poor
contact.
No Replace the high-
voltage power unit.
Turn on the printer
again.
Yes Replace the PU board
(PRN).
185 /