Oki C711 Maintenance Manual page 149

Oki Data CONFIDENTIAL
Display Cause
Re-start the printer. Duplex
FAN Alarm
918: Error
Caution
Re-start the printer. Black image
drum lock
923: Error
error
Service call Fuser motor
lock error
928: Error
Service call Media
wrapped
980: Error
around the
fuser error
Service call 4th tray
detection
982: Error
error
Service call Error due
to detection
983: Error
of the toner
cartridges
of the same
color
44205401TH Rev.1
Error details Remedial measure
Fan error inside the Duplex unit. Check if the Duplex
unit is installed
normally or not.
Check if the fans
Does the error recur when the Yes are installed
power is turned off once and normally or not.
back on?
Replace the fan.
Does the error recur when the Yes
power is turned off once and
back on?
The K ID does not rotate Check if the K ID is
normally. installed normally
or not.
Does the error display recur Yes Replace the K ID
when the power is turned off unit.
once and back on? Yes Replace the K ID
motor.
Fuser does not rotate normally. Check if the
fuser is installed
normally or not.
Yes Replace the fuser.
Does this error recur? Yes Replace the fuser
motor.
Media has wrapped around the Turn off the power.
fuser.
Replace the fuser.
The 4th tray is installed. Remove the 4th
tray.
Two or more toner cartridges of Install the cartridge
the same color are detected. of the specified
in the specified
position.
Display Cause
Service call Detection An unsupported toner cartridge
of an has been detected.
984: Error~
unsupported
987: Error
984:Black toner cartridge
toner
position
cartridge
985:Yellow toner cartridge
position
986:Magenta toner cartridge
position
987:Cyan toner cartridge
position
WDT ERROR PU firmware Does this error recur?
R14=×××××××× runaway
COMMUNICATION I/F error Does this error recur?
ERROR between PU
and CU
ASIC ERROR DCON access Does this error recur?
error
Note! Service calls 168 error, 171 error, 175 error, 903 error and 904 error; These
errors can occur when the printer temperature is below 0
power again after the printer temperature has increased.
7. Troubleshooting and repair procedure
Error details Remedial measure
Replace it with an
appropriate toner
cartridge.
Yes Turn on the power
again.
Replace the CU/
PU board.
Yes Replace the CU/
PU board.
Yes Replace the CU/
PU board.
. Turn on the
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