Lexmark C792 series Service Manual page 197

Step Questions / actions
3 1. POR the printer.
2. Bring the printer up in Diagnostics mode
(turn off the printer, press and hold 3 and
6, turn on the printer, and hold the buttons
until the splash screen appears).
3. Navigate to INPUT TRAY TESTS >
SENSOR TESTS.
4. Open and close the jam clearance cover.
Does the status on the sensor changed?
4 For 550-sheet input option: Replace the
controller card assembly. See
tray controller card assembly removal" on
page 4-167.
For 2000-sheet input option: Replace the
controller card assembly. See
high-capacity feeder controller card
assembly removal" on page
Does the problem persists?
Go to step 4.
For 2000-sheet input
"550-sheet option: Replace the 2000-
sheet high-capacity feeder
drawer assembly.
For 550-sheet input option:
"2000-sheet Replace the drawer
assembly. See
4-185. drawer assembly
removal" on page
Yes
For 550-sheet input option:
Replace the drawer
assembly. See
drawer assembly
removal" on page
For 2000-sheet input
option: Replace the jam
door clearance sensor.
See "2000-sheet high-
capacity feeder jam door
clearance sensor
removal" on page
Problem solved.
"550-sheet
4-166.
Diagnostic information
5062
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