CHAPTER 6 SELF DIAGNOSIS
6-37
1.2 ADF Error Codes
When the ADF’s self diagnostic mechanism has gone ON, it may be reset by turning off
and then on its host machine.
The host machine can still generate copies in book mode if the ADF cable is discontented
even while the ADF is out of order.
E420
0001
When the power switch of the host machine is turned on, the back-up data
from the EEPROM cannot be read or the data that has been read has a fault.
Main cause
The EEPROM is faulty. The ADF controller PCB is faulty.
E421
0001
The back-up data cannot be written to the EEPROM, or the data that has
been written has a fault.
Main cause
The EEPROM has a fault. The ADF controller PCB has a fault.
E422
0001
While the ADF is in standby, the communication with its host machine is
disrupted for 5 sec or more; or, while the ADF is in operation, the commu-
nication with its host machine is disrupted for 0.5 sec or more.
Main cause
The IPC communication is faulty. The communication line has an open cir-
cuit. The ADF controller PCB is faulty.
Содержание iR2200 Series
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