Lexmark C520 Series, Service Manual

Page: 79 / 259

Diagnostic information
2-21
5022- xxx
203 09 During retract, exit
sensor is never made
when leading edge of
duplex print paper has
moved far enough in
duplex path. • Damaged paper exit sensor or paper
exit sensor flag
• Damaged fuser autoconnect
• Faulty fuser DC cable connection
• Faulty fuser
• Faulty system card
• Check for anything in the
paper path that might cause
the paper to jam.
• The fuser exit sensor may
not be functioning properly.
Go to
“Exit sensor service
check” on page 2-63 .
203 14 During retract, exit
sensor flag broke before
trailing edge of duplex
page made it to the exit
sensor flag. • Damaged paper exit sensor or paper
exit sensor flag
• Faulty fuser
• Faulty system card
• The fuser exit sensor may
not be functioning properly.
Go to
“Exit sensor service
check” on page 2-63 .
203 15 Exit sensor continues to
be made after the page
should have passed
beyond the exit sensor
flag during duplex
printing. • Damaged paper exit sensor or paper
exit sensor flag
• Obstructed duplex
• Faulty fuser
• Faulty system card
• Check duplex paper path for
damage that would obstruct
the print. If damage is
found, replace duplex front
door assembly. Go to
“Duplex front door
assembly removal” on
page 4-34
.
• The fuser exit sensor may
not be functioning properly.
Go to
“Exit sensor service
check” on page 2-63 .
230 03 Input sensor is never
made during the duplex
print. • Obstructed duplex path
• Defective input sensor
• Faulty system card
• Check for anything in the
duplex paper path that
might cause the paper to
jam. This includes the paper
guides in tray 1.
• If clearing a paper jam does
not fix the problem, go to
“Input sensor service
check” on page 2-63
.
230 04 Input sensor is made
while previous page is
still in aligner during a
duplex print. • Defective input sensor
• Faulty system card
• If clearing a paper jam does
not fix the problem, go to
“Input sensor service
check” on page 2-63
.
230 05 During duplex printing,
input sensor flag is not
made. • Obstructed duplex path
• Defective input sensor
• Faulty system card
• Check for anything in the
duplex paper path that
might cause the paper to
jam. This includes the paper
guides in tray 1.
• If clearing a paper jam does
not fix the problem, go to
“Input sensor service
check” on page 2-63
.
230 21 Duplex motor stalled. • Obstructed duplex path
• Defective duplex motor
• Faulty system card
• Check for anything in the
duplex paper path that
might cause the paper to
jam. This includes the paper
guides in tray 1.
• If clearing a paper jam does
not fix the problem, go to
“146.xx—Motor (duplex)
error service check” on
page 2-38
.
Error
code Sub
codes
Description Possible causes Action