Bubble Sensor Service Check - Lexmark X792 Service Manual

Step Questions / actions
3 Replace the 2000-sheet high-capacity feeder
pick assembly. See
capacity feeder pick assembly removal"
on page 4-207.
Does the problem persist?
4 Replace the 550-sheet controller card
assembly. See
card assembly removal" on page
Does the problem persist?

Bubble sensor service check

Step Questions / actions
1 Open the left access door, and check the
fuser bubble sensor flag.
Is the bubble sensor flag damaged?
2 Open the system board shield. Check the
cable in connector JDP1 for proper
connection to the system card.
Is the cable properly connected?
"2000-sheet high-
"550-sheet tray controller
4-219.
Yes
Go to step 4.
Replace the 550-sheet
drawer assembly. See
"550-sheet drawer
assembly removal" on
page 4-217.
Yes
Replace the damaged
sensor. See "Sensor (D1,
D2, and fuser bubble)
removal" on page 4-132.
Go step 3.
No
Problem solved.
Problem solved.
No
Go to step 2.
Reseat the cable.
2-133
Diagnostic information
7562