Lexmark C792 series - Bubble Sensor Service Check

Diagnostic information 2-145
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Bubble sensor service check
Step Questions / actions Yes No
1 Open the left access door, and check the
fuser bubble sensor flag.
Is the bubble sensor flag damaged?
Replace the damaged
sensor. See “Sensor (D1,
D2, and fuser bubble)
removal” on page 4-137.
Go to step 2.
2
Open the system board shield. Check the
cable in connector JDP1 for proper
connection to the system card.
Is the cable properly connected?
Go step 3. Reseat the cable.
3
Check the cable for damage.
Is the cable damaged?
Replace the duplexer
cable.
To access the cable, see
“LVPS exit duct removal”
on page 4-89
and
“Left cover removal” on
page 4-11.
Go step 4.