Подскажите пожалуйста как устранить ошибку E004 на Canon IR1600

At time of initialization, the ZEROXI* signal of the power supply is not
detected.
During temperature control, the ZEROXI* signal does not arrive for 3 sec
continuously.
A short circuit is detected in the triac (ASIC; fixing temperature control
drive circuit error).
Possible cause Fixing assembly is faulty. (The main thermistor has an open circuit. The
sub thermistor has an open circuit. The fixing heater has an open circuit.
The power supply PCB is faulty. The DC controller PCB is faulty.)
Note To reset the error, execute the following in service mode, and turn off the
and then on the power switch.
#7 PRINTER>#4 PRINTER RESET>YES=(*)
Remedy
1) Wiring
Is the connection of the connector (CN8) on the power supply PCB
and the connector (J103) on the DC controller PCB and the wiring
to the fixing assembly normal?
NO : Correct the connection and wiring.
2) Fixing assembly
Try replacing the fixing assembly. Is the fault corrected?
YES : End.
3) Power supply PCB, DC controller PCB
Try repacking the power supply PCB. Is the fault corrected?
YES : End.
NO : Replace the DC controller PCB.
4) Error
With the power switch ON, clear E000 through E004; then, turn off
and then on the power switch.
If E000 through E004 is indicated, the RAM on the image processor will
retain the error memory of the fixing assembly after the power switch has
been turned off an then on. Execute the following in service mode, and
turn off and then on the power switch to clear the memory: #7
PRINTER>#4 PRINTER RESET>YES=(*).

rfr войти в сервисный режим на этом аппарате

Bird82
http://www.startcopy.ru/repair/c_ir1600.htm

Народ помогите. Срочно нужны описание всех кодов ошибок на Canon FC128