Lexmark C935 Series, Service Manual

Page: 221 / 630

Diagnostic information
2-129
5057-XXX
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Media size mismatch in width
4
Perform a POR.
Does the error continue when the power is turned off/
on?
Replace the duplex
controller card
assembly.
Go to “Duplex
controller card
assembly removal”
on page 4-14
.
Go to step 5.
Problem solved.
5 Perform a POR.
Does the error continue when the power is turned off/
on?
Replace the lower
printer engine card
assembly.
Go to “Lower
printer engine card
assembly removal”
on page 4-93
.
Problem solved.
Step Check Yes No
1 Check the media.
Is media properly loaded in the tray?
Go to step 2. Load media
properly.
2 Check the media.
Is the rear media tray guide, and media tray end guide of tray
1 or tray 2 set correctly?
Go to step 3. Set the guides
properly.
3 Check the switch (media size) for proper installation.
Pull out the media tray to visually check it.
Is the switch (media size) for media tray 1 and media tray 2
installed correctly?
Go to step 4. Install the switch
(media size) for
each media tray
correctly.
4 Check the switch (media size) connection for tray 1 and/or
tray 2.
Is the switch (media size) properly connected for tray 1 and/or
tray 2?
Replace the
required switch
(media size).
Go to “Switch
(media size)
removal” on
page 4-121
.
Replace the
connection.
5 Perform a print test.
Does the error continue when the power is turned off/on?
Replace the
upper printer
engine card
assembly.
Go to “Upper
printer engine
card assembly
removal” on
page 4-90
.
Problem solved.
Step Check Yes No