Lexmark X746de - Page 78

2-38 Service Manual
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841.xx
Scanner Error
Image pipeline ASIC Replace MDC card. See “Scanner MDC card
removal” on page 4-261.
842.00
Scanner Failure
Communication Failure Go to “842.xx—Scanner Failure—
Communication failure service check” on
page 2-105.
843.00
Scanner Failure
Carriage failed to home or move to
desired position.
Go to “843.00—Scanner Failure—Carriage failed
to move service check” on page 2-105.
843.01
Scanner Failure
ADF mechanical failure Go to “843.01, 843.02—Scanner Failure service
check” on page 2-106.
843.02
Scanner Failure
Mechanical failure detected. Go to “843.01, 843.02—Scanner Failure service
check” on page 2-106.
843.03
Scanner Failure
Pick roller engage failure. POR the printer, and then an 843.02 error code
appears. Go to “843.01, 843.02—Scanner Failure
service check” on page 2-106.
843.04
Scanner Failure
Pic roller disengage failure POR the printer, and then an 843.02 error code
appears. Go to “843.01, 843.02—Scanner Failure
service check” on page 2-106.
844.00
Scanner Error
Front scan module output level error. Go to “844.xx—Scanner Error—scan module
output level error service check” on page 2-107.
844.02
Scanner Error
Front scan module lamp level too low. Go to “844.xx—Scanner Error—scan module
output level error service check” on page 2-107.
844.04
Scanner Error
Front scan module has excessive
noise.
Go to “844.xx—Scanner Error—scan module
output level error service check” on page 2-107.
844.06
Scanner Error
Front scan module has excessive
variability.
Go to “844.xx—Scanner Error—scan module
output level error service check” on page 2-107.
844.08
Scanner Error
Front scan module banding. Go to “844.xx—Scanner Error—scan module
output level error service check” on page 2-107.
845.00
Scanner Failure
Front scan module cable failure or
SCC card failure.
Go to “845.xx—Scanner Failure service check”
on page 2-107.
845.02
Scanner Failure
Front scan module cable failure or
SCC card failure.
Go to “845.xx—Scanner Failure service check”
on page 2-107.
846.00
Scanner Failure
Front calibration strip unusable. Go to “846.xx—Front calibration strip error
service check” on page 2-108.
846.02
Scanner Failure
Front calibration strip too far left. Go to “846.xx—Front calibration strip error
service check” on page 2-108.
846.03
Scanner Failure
Front calibration strip too far right. Go to “846.xx—Front calibration strip error
service check” on page 2-108.
846.04
Scanner Failure
Front calibration strip has excessive
skew.
Go to “846.xx—Front calibration strip error
service check” on page 2-108.
846.05
Scanner Failure
Front calibration strip has excessive
bow.
Go to “846.xx—Front calibration strip error
service check” on page 2-108.
848.01
Scanner Failure
Modem configuration ID mismatch.
Possible cause is the MFP has a
modem installed, but its Configuration
ID indicates that a modem should not
be present.
Remove the fax modem.
Error code Description Action