Lexmark X850E - Page 123

Diagnostic information 2-25
7500-XXX
842.00
Service
scanner
failure
Scanner communication
failure
Controller detected a communication failure.
Communication timeout
Go to “842.00 Scanner communication failure”
on page 2-128.
842.01
Service
scanner
failure
Scanner communication
failure
Controller detected a communication failure packet
timeout.
Go to “842.01 Scanner communication failure”
on page 2-129.
842.02
Service
scanner
failure
Scanner communication
failure
Controller detected a communication failure. Invalid
message checksum
Go to “842.02 Scanner communication failure”
on page 2-129.
842.03
Service
scanner
failure
Scanner communication
failure
Controller detected a communication failure. Invalid
message parameter(s)
Go to “842.03 Scanner communication failure”
on page 2-130.
842.04
Service
scanner
failure
Scanner communication
failure
Controller detected a communication failure. Invalid
message command
Go to “842.04 Scanner communication failure”
on page 2-130.
842.10
Service
scanner
failure
Scanner unit assembly - ADF
communication failure
Communication failure occurred between the
scanner controller card assembly and the ADF
controller card assembly.
Go to “842.10 Scanner unit assembly - ADF
communication failure” on page 2-131.
842.11
Service
scanner
failure
Scanner communication
failure (by scanner)
Communication failure occurred between the
scanner controller card assembly and the RIP card
assembly.
Go to “842.11 Scanner communication failure
(by scanner)” on page 2-131.
842.12
Service
scanner
failure
Scanner unit assembly
communication failure
Communication failure occurred between the
scanner controller card assembly and the RIP card
assembly.
Go to “842.12 Scanner unit assembly
communication failure” on page 2-132.
843.00
Service
scanner
failure
Sensor (scanner HP) failure An failure occurred while counting the pulses of the
scanner drive motor assembly.
After the Carriage Motor turned on, the sensor
(scanner HP) did not turn on within the specified
time.
Go to “843.00 Sensor (scanner HP) failure” on
page 2-133.
843.01
Service
scanner
failure
Scanner carriage over run
failure
The scanner carriage has over run.
Go to “843.01 Scanner carriage over run failure”
on page 2-134.
Error code or
message
Error contents Description/Action