0800 Image Processing Error; 1810 Paper Feeder Unit 2 Communication Error - Kyocera TASKalfa 1800 Service Manual

Code Contents
0800 Image processing error
JAM010X is detected twice.
0840 Faults of RTC
("Time for maintenance T" is
displayed)
[Check at power up]
The RTC setting has reverted
to a previous state. The
machine has not been pow-
ered for 5 years (compared to
the settings stored periodically
in the EEPROM).
The RTC setting is older than
00:01 on January 1, 2000.
[Checked periodically (in 5-
minute interval) after powered
up]
The RTC setting has reverted
to a state older than the last
time it was checked.
10 minutes have been passed
since the previous check.
1810 Paper feeder unit 2 commu-
nication error
A communication error from
paper feeder is detected 10
times in succession.
Related parts
Replace the main/engine PWB (see page 2-
Main/Engine PWB
2-11).
Battery ( main
PWB)
Main/Engine PWB
Replace the main/engine PWB (see page 2-
2-11).
Paper feeder
Check the wiring connection status with the
main unit and, if necessary, try connecting it
again.
PF main PWB
Main/Engine PWB
1-4-22
2NC/2NF/2NG/2NN/3P7/3P8/3P9
Check procedures/
corrective measures
1. Make sure that the back-up batteries on
the main/engine PWB are not short-
circuited.
2. Reset Maintenance T by executing
U906 (see page 1-3-114).
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/engine PWB, check the PWB is
properly grounded.
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
PF main PWB (YC1) and main/engine
PWB (YC18)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the PF main PWB.
1. Check the main/engine software and
upgrade to the latest, if necessary.
2. Replace the main/engine PWB (see
page 2-2-11).