Lexmark X850E - Page 125

Diagnostic information 2-27
7500-XXX
844.00
Service
scanner
failure
Exposure lamp failure A failure has occurred with the exposure lamp.
Go to “844.00 Exposure lamp failure” on
page 2-139.
844.01
Service
scanner
failure
White reference/exposure
lamp Illumination failure
The large platen glass is not properly installed or
missing
The white reference initialization of the scanner unit
assembly has failed after a POR or the amount of
light from the exposure lamp is inadequate at the
start of the scan.
Go to “844.01 White reference/exposure lamp
illumination failure” on page 2-140.
845.00
Service
scanner
failure
CCD failure A failure has occurred with the CCD sensor
assembly.
Go to “845.00 CCD failure” on page 2-142.
845.01
Service
scanner
failure
CCD initialization (lamp on)
failure
The CCD does not make a correct output when it
receives a specified amount of light.
Go to “845.01 CCD initialization (lamp on)
failure” on page 2-142.
845.02
Service
scanner
failure
CCD initialization (lamp off)
failure
The CCD does not make a correct output when light
is absent.
Go to “845.02 CCD initialization (lamp off)
failure” on page 2-143.
846.00
Service
scanner
failure
Scanner communication
failure
Controller detected failures. Scanner download
timeout
Go to “846.00 Scanner communication failure”
on page 2-143.
846.01
Service
scanner
failure
Scanner communication
failure
Controller detected failures. Detected I/O failure
Go to “846.01 Scanner communication failure”
on page 2-144.
846.10
Service
scanner
failure
Sensor (ADF width APS X)
failure
The combinations of outputs from the sensor (ADF
width APS 1), sensor (ADF width APS 2) and sensor
(ADF width APS 3) are abnormal.
Go to “846.10 Sensor (ADF width APS X) failure”
on page 2-144.
846.12
Service
scanner
failure
Scanner unit assembly
software logic failure
A software failure was detected by the scanner
controller card assembly.
Go to “846.12 Scanner unit assembly software
logic failure” on page 2-146.
846.13
Service
scanner error
Switch (platen interlock) open The system detected that the switch (platen
interlock) is open.
Go to “846.13 Switch (platen interlock) open” on
page 2-146.
847.00
Service
modem
Fax modem failure The configuration ID bit that describes the device’s
modem does not match the actual modem installed
in the device.
Go to “847.00 Modem failure” on page 2-147.
Error code or
message
Error contents Description/Action