Konica Minolta bizhub C200 Service Manual page 535

9. Troubleshooting
Item
Symptom
No.
Cannot go to 1 Is the password checked?
"Sending" nor
"Receiving"
2 Is the password correct?
modes
3 Try to communicate with the ser-
vice center. Same problem?
Possible causes:
A.
B.
4 Are the transmission level and
equalizer of the service center set
properly?
5 Did you check the mode (TX or
RX) of the remote side?
6 Any improvement after replacing
MFBU - FAX cable?
7 Any improvement after replacing
FAXU board?
8 Any improvement after replacing
MFBU board?
9 Any improvement after replacing
operating panel?
10 Any improvement after replacing
the cable between operating
panel and MFBU board?
Automatic 1 Did you select the automatic
reception dis- reception mode?
abled
2 Is the external telephone in on-
hook status?
3 Any improvement after replacing
MFBU - FAX cable?
4 Any improvement after replacing
FAXU board?
5 Any improvement after replacing
MFBU board?
6 Any improvement after replacing
operating panel?
7 Any improvement after replacing
the cable between operating
panel and BCRU board?
98
Cause
Fax/Scan button is not
pressed.
Both systems are in the
transmission (or reception)
mode.
Field Service Ver. 1.0 Jun. 2008
Remedy
YES Go to item 2
NO Go to item 3.
YES Disable password check and Go to item
3.
NO Match the password.
YES Go to item 4.
NO END
Possible causes are line trouble, trouble
or improper operation in the remote ter-
minal, or the remote FAX is not con-
nected.
YES Go to item 5.
NO Set them properly.
YES Go to item 6.
NO Confirm it by phone.
YES Replace MFBU - FAX cable.
NO Go to item 7.
YES Replace FAXU board.
NO Go to item 8.
YES Replace MFBU board.
NO Go to item 9.
YES Replace operating panel.
NO Go to item 10.
YES Replace the cable between operating
panel and MFBU board.
NO Replace the machine.
YES Go to item 2
NO Select the automatic reception mode.
YES Go to item 3.
NO Set the external telephone on-hook.
YES Replace MFBU - FAX cable.
NO Go to item 4.
YES Replace FAXU board.
NO Go to item 5.
YES Replace MFBU board.
NO Go to item 6.
YES Replace operating panel.
NO Go to item 7.
YES Replace the cable between operating
panel and BCRU board.
NO Replace the machine.