Konica Minolta bizhub 250 Service Manual page 539

12. 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:
D.
E.
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
MFBS - FAX cable?
7 Any improvement after replacing
FAX board?
8 Any improvement after replacing
MFBS board?
9 Any improvement after replacing
Operating panel?
10 Any improvement after replacing
the cable between Operating
panel and BCRS?
Automatic 1 Did you select the automatic
reception dis- reception mode?
abled
2 Is the external telephone on
hook?
3 Any improvement after replacing
MFBS - FAX cable?
4 Any improvement after replacing
FAX board?
5 Any improvement after replacing
MFBS board?
6 Any improvement after replacing
Operating panel?
7 Any improvement after replacing
the cable between Operating
panel and BCRS?
170
EDNord - Istedgade 37A - 9000 Aalborg - telefon 96333500
Cause
FAX button is not pressed.
Both systems are in the
transmission (or reception)
mode.
Field Service Ver. 1.0 Aug. 2005
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 MFBS - FAX cable.
NO Go to item 7.
YES Replace FAX board.
NO Go to item 8.
YES Replace MFBS board.
NO Go to item 9.
YES Replace Operating panel.
NO Go to item 10.
YES Replace the cable between Operating
panel and BCRS.
NO Replace the PWB-A
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 MFBS - FAX cable.
NO Go to item 4.
YES Replace FAX board.
NO Go to item 5.
YES Replace MFBS board.
NO Go to item 6.
YES Replace Operating panel.
NO Go to item 7.
YES Replace the cable between Operating
panel and BCRS.
NO Replace the PWB-A