Kyocera TASKalfa 2551ci, Service Manual

Page: 325 / 756

2NP
1-4-18
0800 Image processing error
The JAM100 fee counter is
continuously generated.
Defective main
PWB. Replace the main PWB and check for cor-
rect operation (see page 1-5-37).
0830 FAX control PWB flash pro-
gram area checksum error
A checksum error occurred
with the program of the FAX
control PWB.
Defective FAX soft-
ware. Install the fax software.
Defective PWB.
1. Execute initializing by U600.(Refer to
the FAX service manual)
2. Replace the FAX control PWB.
0840 Faults of RTC
The time is judged to go back
based on the comparison of
the RTC time and the current
time or five years or more
have passed.
The battery is dis-
connected from the
main PWB.
1. Make sure that the back-up batteries on
the main PWB are not short-circuited.
2. Reset Maintenance T by executing
U906 (see page 1-3-195).
3. If the same C call is displayed when
power is switched on and off, replace the
back up battery.
4. If communication error (due to a noise,
etc.) is present with the RTC on the main
circuit PWB, check the PWB is properly
grounded.
Defective PWB. Replace the main PWB and check for cor-
rect operation (see page 1-5-37).
0870 FAX control PWB to main
PWB high capacity data
transfer error
High-capacity data transfer
between the FAX control PWB
and the main PWB of the
machine was not normally
performed even if the data
transfer was retried the speci-
fied times.
Improper installa-
tion FAX control
PWB. Turn the main power swtch off and after 5
seconds, re-mount the FAX controller PWB,
then turn power on.
HDD
Execute U024 to initialize the HDD (see
page 1-3-33).
Defective PWB. Replace the FAX control PWB or main PWB
and check for correct operation
(see page 1-5-37).
0920 Fax file system error
The backup data is not
retained for file system abnor-
mality of flash memory of the
FAX control PWB.
Defective PWB.
1. Execute initializing by U600 (Refer to
the FAX service manual).
2. Replace the FAX control PWB.
Code Contents Causes
Check procedures/
corrective measures