
45530603TH Rev.2
4-4
Oki Data CONFIDENTIAL
4. TROUBLESHOOTING PROCEDURE
LCD Status Message
( represents a blank line.)
Online
indicator
Inspection
lamp
Details
Error
code
Check Fuser Unit
Please see HELP for
details
Off
Blink
Indicates that the fuser is not installed
correctly.
Error
320
Check Paper in
%TRAY%
Paper Thick Error
Please see HELP for
details
Off
Blink
Indicates detection of an abnormality by
the Media Weight Detection sensor.
Any paper remaining in the printer will be
automatically ejected at recovery.
Error 323: A sensor output value
measured with no paper
was out of spec.
Error 324: A sensor output value
exceeded the upper limit.
Error 325: In a tray set for medium light
paper, paper thicker than
medium light paper by the
designated allowance is
detected.
Error 326: In a tray set for medium
heavy paper, paper thinner
than medium heavy paper
by the designated allowance
is detected.
(Displayed in Shipping/Factory Mode.)
Error
323
324
325
326
Download Chip Data
Density Calibration
Chip Error
Off
Blink
Density Adjustment's calibration chip
correction error.
Omission of factory default setting. To
prevent setting mistake.
Displayed only in Factory Mode.
Error
327
Check Belt Unit
Please see HELP for
details
Off
Blink
Indicates that the belt unit is not installed
correctly.
Error
330
Check Waste Toner
Box
Please see HELP for
details
Off
Blink
This error indicates that the waster toner
box is missing, and printing stops.
Error
331
LCD Status Message
( represents a blank line.)
Online
indicator
Inspection
lamp
Details
Error
code
Install Exit Unit
Please see HELP for
details
Off
Blink
Indicates that the exit unit comes off.
Error 333: Exit Unit Missing
Error
333
Install Transfer Roller
Unit
Re-set the transfer
roller unit
Please see HELP for
details
Off
Blink
Indicated that the second transfer roller
comes off.
Error 334: TR2 Unit Missing
Error
334
Check Image Drum
%COLOR%
Please see HELP for
details
Off
Blink
Indicates that the image drum is not
installed correctly.
Error 3400: Yellow
Error 3401: Magenta
Error 3402: Cyan
Error 3403: Black
Error 3404: White
Error 3405: Clear
Error
3400
3401
3402
3403
3404
3405
Check Fuser Unit
Please see HELP for
details
Off
Blink
Indicates that an error occurred with the
release position sensor of the fuser.
The printer recovers from this error if the
release position sensor can read out the
data in a retry after the cover is closed.
If the printer still cannot recover from
this error, replacement of the fuser is
required.
UNITERR #2:Fuser Release Sensor
Error
Error
348
Install %COLOR%
New Image Drum
Image Drum Life
Please see HELP for
details
Off
Blink
Alerts (alarms) the end of the image
drum life.
Opening & closing the cover changes this
status to the warning status.
Error 3500: Yellow
Error 3501: Magenta
Error 3502: Cyan
Error 3503: Black
Error 3504: White
Error 3505: Clear
Error
3500
3501
3502
3503
3504
3505