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401.xx—HTU input sensor error service check
Step
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?
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 input sensor for damage.
Is the sensor damaged?
3
Remove the HTU rear standard bin cover. See
rear standard bin cover removal" on page
Check the cable in the indicated connector.
Is the cable proper connected?
Questions / actions
Yes
Go to step 2.
Replace the HTU
input sensor. See
"HTU sensor
(input) removal"
on page
4-404.
"HTU
Go to step 4.
4-394.
7562
No
Problem solved.
Go to step 3.
Reseat the
connector.
2-135
Diagnostic information
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