Field Service Ver. 2.0 Dec. 2008
8. Troubleshooting
101
FK-507
T
roubleshooting
Cannot go to
“Sending” nor
“Receiving”
modes
1
Is the password checked?
YES Go to item 2
NO
Go to item 3.
2
Is the password correct?
YES Disable password check and Go to item
3.
NO
Match the password.
3
Try to communicate with the ser-
vice center. Same problem?
Possible causes:
A.
Fax/Scan button is not
pressed.
B.
Both systems are in the
transmission (or reception)
mode.
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.
4
Are the transmission level and
equalizer of the service center set
properly?
YES Go to item 5.
NO
Set them properly.
5
Did you check the mode (TX or
RX) of the remote side?
YES Go to item 6.
NO
Confirm it by phone.
6
Any improvement after replacing
MFBU - FAX cable?
YES Replace MFBU - FAX cable.
NO
Go to item 7.
7
Any improvement after replacing
FAXU board?
YES Replace FAXU board.
NO
Go to item 8.
8
Any improvement after replacing
MFBU board?
YES Replace MFBU board.
NO
Go to item 9.
9
Any improvement after replacing
operating panel?
YES Replace operating panel.
NO
Go to item 10.
10
Any improvement after replacing
the cable between operating
panel and MFBU board?
YES Replace the cable between operating
panel and MFBU board.
NO
Replace the machine.
Automatic
reception dis-
abled
1
Did you select the automatic
reception mode?
YES Go to item 2
NO
Select the automatic reception mode.
2
Is the external telephone in on-
hook status?
YES Go to item 3.
NO
Set the external telephone on-hook.
3
Any improvement after replacing
MFBU - FAX cable?
YES Replace MFBU - FAX cable.
NO
Go to item 4.
4
Any improvement after replacing
FAXU board?
YES Replace FAXU board.
NO
Go to item 5.
5
Any improvement after replacing
MFBU board?
YES Replace MFBU board.
NO
Go to item 6.
6
Any improvement after replacing
operating panel?
YES Replace operating panel.
NO
Go to item 7.
7
Any improvement after replacing
the cable between operating
panel and BCRU board?
YES Replace the cable between operating
panel and BCRU board.
NO
Replace the machine.
Symptom
Item
No.
Cause
Remedy
Y109971-7 Sevice Manual