Specifications

5-16 Repair and Troubleshooting Rev. B
Confidential
Mechanical system
power supply
overvoltage error
The mechanical system voltage
(+35 V system) is too high.
1. Replace the Power circuit board assembly.
2. Replace the Main circuit board unit.
Mechanical system
power supply
undervoltage error
The mechanical system voltage
(+35 V system) is too low.
As above
Head power supply
overvoltage error
The head voltage (+38 V system) is
too high.
As above
Head power supply
undervoltage error
The head voltage (+38 V system) is
too low.
As above
Circuit board overheat
error
The Main circuit board unit
temperature is too high.
1. Check if the Fan assembly is working
correctly.
2. Replace the Main circuit board unit.
Circuit board thermistor
error
An abnormal Main circuit board
unit temperature was detected.
1. Replace the Main circuit board unit.
Mechanical system
applied voltage
overvoltage error
An abnormality was detected in
the Main circuit board unit Q10,
ZD1 peripheral circuits.
1. Replace the Main circuit board unit.
Overcurrent error The current to the autocutter is too
high. Or, an error was detected in
gate array U2 and/or U3.
1. Replace the Mechanism assembly.
2. Replace the Main circuit board unit.
ROM 1 error An abnormality was detected in
the program ROM (U4).
1. Replace the Main circuit board unit.
ROM 2 error An abnormality was detected in
the CGROM (U5).
As above
RAM 1 error An abnormality was detected in
the CPU internal RAM.
As above
RAM 2 error An abnormality was detected in
the DRAM (U8).
As above
G/A 1 error An error was detected in the gate
array (U2).
As above
G/A 2 error An error was detected in the gate
array (U3).
As above
EEPROM error An error was detected in the
EEPROM (U15).
As above
CPU run error CPU abnormal operation was
detected.
As above
Table 5-9 Error descriptions and remedies
Error type Description Remedy (in order of probability)