Lexmark C792 series - XX-HTU Second Sensor Error Service Check

Diagnostic information 2-119
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403.xx—HTU second sensor error service check
Step Questions / actions Yes No
1 1. Bring the printer up in Diagnostics menu (turn off
the printer, press and hold 3 and 6, turn on the
printer, and hold the buttons until the splash screen
appears).
2. Navigate to INPUT TRAY TESTS > Feed Test.
3. Select Tray 1.
4. Select Single.
Does the error reoccur?
Go to step 2. Problem solved.
2
1. Clear away anything in the paper path that might
cause the paper to jam .
2. Open the HTU access door.
3. Check the HTU second sensor for damage.
Is the sensor damaged?
Replace the HTU
second sensor.
See “HTU
sensor (second)
removal” on
page 4-324.
Go to step 3.