Lexmark X548 Series, Service Manual

Page: 62 / 347

2-18
Service Manual
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844.03 Rear scan module lamp level too low Rear Mono channel, Rear Color channels,
Rear Red channel, Rear Green channel,
and/or Rear Blue channel is detected to
have low lamp level. Go to
“CCD service
check” on page 2-60
.
845.xx Scanner failure CCD failure
Go to
“CCD service check” on
page 2-60
.
845 Front scan module cable failure or
SCC card failure
CCD channel failure. Check each channel
(mono, R, G, B) for identical values
indicating bad cable and/or SCC card.
Excessive noise test for the dark data
indicating some sort of CCD or analog
electronics issue on that channel or
channels.
Go to
“CCD service check” on
page 2-60
.
845.01 Rear scan module cable failure or SCC
card failure
CCD channel failure. Check each
channel(mono, R, G, B) for identical values
indicating bad cable and/or SCC card.
Excessive noise test for the dark data
indicating some sort of CCD or analog
electronics issue on that channel or
channels.
Go to
“CCD service check” on
page 2-60
.
845.02 Cable/SCC failure. Front scan module connector or cable
failure
Go to
“CCD service check” on
page 2-60
.
845.03 Cable/SCC failure Rear scan module connector or cable
failure
Go to
“CCD service check” on
page 2-60
.
845.04 Cable failure The connector cable is defective.
Go to
“CCD service check” on
page 2-60
.
846 Front calibration strip unusable Go to
“CCD service check” on
page 2-60
.
846.01 Rear calibration strip unusable
846.02 Front calibration strip too far left The font calibration strip is placed to high
or to low. Go to
“CCD service check” on
page 2-60
846.03 Front calibration strip too far right Go to
“CCD service check” on
page 2-60
.
846.04 Front calibration strip has excessive
skew
846.05 Front calibration strip has excessive
bow
Service error messages
Error code Description Action