2NM/2NX/2NY/2NZ/2P0/2P6
1-4-22
0170 Billing counting error
The values on the main circuit
PWB and on the engine do
not match for any of charging
counter, life counter, and
scanner counter.
EEPROM
1. Check that the EEPROMs installed in
the control PWB are correct and, if not,
use the correct EEPROM for the model.
2. If the EEPROM data are currupted,
contact the service support.
Control PWB
Replace the control PWB and check for
correct operation (see page 2-2-12).
0180 Machine number mismatch
Machine number of control
does not match.
Data damage of
EEPROM
1. Confirm the machine data for the control
units by using U004 (see page 1-3-19).
2. If the serial number data of different
models is alternately displayed, install
the correct EEPROM in the PWB of the
wrong serial number data.
3. Contact the Service Support.
0190 Backup memory device
error (control PWB)
Control PWB
Replace the control PWB and check for
correct operation (see page 2-2-12).
0800 Image processing error
JAM010X is detected twice.
Control PWB
Replace the control PWB and check for cor-
rect operation (see page 2-2-12).
0830 FAX control PWB flash pro-
gram area checksum error
A checksum error occurred
with the program of the FAX
control PWB.
FAX software
1. Reinstall the fax software.
FAX control PWB
1. Execute initializing by U600.(Refer to
the FAX service manual)
2. Replace the FAX control PWB.
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.
Battery
(Control PWB)
1. Make sure that the back-up batteries on
the control PWB are not short-circuited.
2. If the same C call is displayed when
power is switched on and off, replace the
back up battery.
3. If communication error (due to a noise,
etc.) is present with the RTC on the con-
trol PWB, check the PWB is properly
grounded.
Control PWB
Replace the control PWB and check for
correct operation (see page 2-2-12).
Code Contents Related parts
Check procedures/
corrective measures
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General
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