Konica Minolta bizhub 362 Service Manual page 583

12. Troubleshooting
Item
Symptom
No.
Received 1 Are characters of copied image
image is or a test image also squeezed?
squeezed Improper setting of document
contrast: Received image of
small characters or blue copies
with "contrast" switch set
"Darker".
Error in remote machine:
The following causes are possi-
ble:
A.
B.
C.
2 Any improvement after replacing
the imaging unit?
Clock mal- 1 No improper operation?
functions
2 Any improvement after replacing
RAMS board?
3 Any improvement after replacing
MFBS board?
Neither 1 Is an alarm message on screen? YES Correct the failure and reset the alarm.
"Sending" nor
"Receiving"
2 Is the external telephone on-
are displayed.
hooked?
3 Are you printing something such
as report?
4 Any improvement after replacing
Operating panel?
5 Any improvement after replacing
the cable between Operating
panel and BCRS?
6 Any improvement after replacing
FAX board?
7 Any improvement after replacing
MFBS board?
196
Cause
Failure in board of scanner
unit
Improper adjustment of opti-
cal focus
Dew on optical lenses
(Proceed to anti-dew.)
Field Service Ver. 1.0 Dec. 2008
Remedy
YES Failure in the remote side (improper
setting of document contrast, and error
in the transmission unit of the remote
terminal).
NO Go to item 2.
YES Replace the imaging unit.
NO For details see Copier service manual
"Image quality problem".
YES Refer User's Guide for operation.
NO Go to item 2.
YES Replace RAMS board.
NO Go to item 3.
YES Replace MFBS board.
NO Replace the PWB-A.
NO Go to item 2.
YES Go to item 3.
NO Set the external telephone off-hook
then press the communication switch.
YES Proceed to communication after com-
pleting print jobs.
NO Go to item 4.
YES Replace Operating panel.
NO Go to item 5.
YES Replace the cable between Operating
panel and BCRS.
NO Go to item 6.
YES Replace FAX board.
NO Go to item 7.
YES Replace MFBS board.
NO Replace the PWB-A