Lexmark Optra W810 Service Manual page 214

4023-001
Check the Paper-Full Detecting Switches
1. Press the paper-full detecting switch to turn it ON. The distance
(A) to the tray when the switch is turned ON must be 32 mm /
2 mm (distance from the top of the tray rib).
2. Repeat for each paper-full detecting switch.
Adjust the Paper Exit Sensor
When the paper exit sensor (PWB-C) is replaced, always adjust as
described:
Note: The specified paper must be used for adjustment. VR11 must
be turned in the correct direction as described.
1. Activate sensor input check (test mode). (See
Check ()" on page
1 illuminates when paper is present and extinguishes when
there is no paper.
2. Ensure that paper is not present in any bin, and perform the
following.
a. Rotate VR to the full-clockwise position and check that LED1
illuminates.
b. Rotate VR counterclockwise slowly until LED1 starts to
extinguish. Record this position as position A. If LED1
extinguishes at the full-clockwise position, record that
position as position A.
3. Place paper into bin 1 and perform the following.
a. Insert paper into bin 1 until it passes through the paper eject
sensor. Check that LED1 illuminates.
b. Rotate VR fully counterclockwise and check whether LED1
is still illuminated. If LED1 extinguishes, rotate VR clockwise
slowly until LED1 starts to illuminate. Record this position as
position B. If LED1 remains lit, record the fully clockwise
position as position B.
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Service Manual
3-30.)
"Sensor Input