Canon LBP-1260, Руководство по обслуживанию

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CHAPTER2
b.
Controller serviceman call
Indication display
Description
SERVICE Internal ROM checksum error Turn the power OFF and ON
The contents of ROM on the video If the error persists,
controller are Incorrect. replace the video controller
SERVICE
SERVICE
SERVICE
Internal RAM error Turn the power OFF and ON
Data cannot be correctly read or If the error persists,
written to the located on the replace the video controller
video controller.
NVRAM error
Turn the power OFF and ON
Data cannot be correctly read from or
If the error cannot
written to the NVRAM
located corrected. replace the
on video controller.
EEPROM 16).
Extended interface error Turn the power OFF and
The from the extended Interface again. If the error cannot
PCB is not Input to the video controller corrected, replace the
within the prescribed time. extended interface PCB or
video controller PCB.
SERVICE
signal error Turn the power OFF and
If the is false, the If the error cannot
is output from the DC controller corrected, replace the DC
to the controller PCB. controller PCB or video
controller PCB.
SERVICE
SERVICE
SERVICE
No signal
Turn the power OFF and
The signal is not output within
ON If the error
time after video
persists, replace the
controller PCB receives the controller PCB.
from the DC
Gate array internal error Turn the power OFF and
Data cannot be correctly read fmm or
If the error cannot
written to the in the gate array corrected, replace the video
controller PCB.
IOP Internal ROM error Turn the power OFF and
The contents of the IOP ROM are again. If the error cannot
incorrect. corrected, replace the
controller PCB.
SERVICE RAM error
Data cannot correctly read from or
written to the IOP RAM.
Turn the power OFF and
If the error cannot
corrected, replace the video
controller PCB.
SERVICE
SERVICE
Communication error between CPU and Turn the power OFF and
again. If the error cannot
The CPU cannot communicate with the corrected, replace the video
controller PCB.
Interrupt error between CPU and IOP Turn the power OFF and
The IOP does not generate a correct again. If the error cannot
Interrupt to the CPU. corrected, replace the
controller PCB.