Lexmark X850e Service Manual page 124

7500-XXX
Error code or
message
843.10
Service
scanner
failure
843.11
Service
scanner
failure
843.12
Service
scanner
failure
843.20
Service
scanner
failure
843.21
Service
scanner
failure
843.22
Service
scanner
failure
843.23
Service
scanner
failure
843.24
Service
scanner
failure
843.25
Service
scanner
failure
843.26
Service
scanner
failure
2-26
MFP Service Manual
Error contents
ADF RAM test failure
ADF EEPROM failure
ADF pick roll position lift up
failure
Scanner unit assembly
connection failure
Scanner unit assembly
EEPROM failure
Scanner unit assembly
EEPROM sub system failure
Scanner cooling fan failure
Image processing failure
Scanner controller card
assembly failure 1
Scanner controller card
assembly failure 2
Description/Action
The ADF controller card assembly RAM has failed
in the read/write operation.
(It checks at the time of power on)
Go to "843.10 ADF RAM test failure" on
page 2-134.
The ADF-EEPROM failed during the read/write
operation.
Go to "843.11 ADF EEPROM failure" on
page 2-134.
After the pick roll position motor assembly started
reverse rotation, the sensor (pick roll position HP)
did not turn on within the specified time.
After the pick roll position motor assembly started
normal rotation, the sensor (pick roll position HP)
did not turn off within the specified time.
Go to "843.12 ADF pick roll position lift up
failure" on page 2-135.
There is an open circuit in the scanner interface
cable assembly between the scanner controller card
assembly and the RIP card assembly.
Go to "843.20 Scanner unit assembly connection
failure" on page 2-136
The scanner unit assembly EEPROM failed during
the read/write operation.
Go to "843.21 Scanner unit assembly EEPROM
failure" on page 2-136.
The scanner unit assembly EEPROM failed during
the read/write operation.
Go to "843.22 Scanner unit assembly EEPROM
sub system failure" on page
The scanner cooling fan has failed.
Go to "843.23 Scanner cooling fan failure" on
page 2-137.
An failure occurred in the image-processing system.
Go to "843.24 Image processing failure" on
page 2-138.
An internal processing failure occurred in the
scanner controller card assembly.
Go to "843.25 Scanner controller card assembly
failure 1" on page 2-138.
An internal processing failure occurred in the
scanner controller card assembly.
Go to "843.26 Scanner controller card assembly
failure 2" on page 2-139.
2-137.