Lexmark T63 Series, Руководство по обслуживанию

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2-58
Service Manual
4060- xxx
Tray x empty displays when there is paper in the high-capacity feeder input
tray.
The elevator tray fails to stop at the correct position and continues to drive
into the bottom frame.
The elevator tray down button does not operate. The tray moves to the upper
position.
Service tip: Open the high-capacity feeder front door and check the black rubber bumper attached to
the door switch spring. Be sure the rubber button is centered and not touching the sides of the hole
or the switch will not function properly.
Paper from the high-capacity feeder input tray does not reach the pass thru
sensor.
Service tip: Be sure the paper in tray is within specifications.
FRU Action
1 Paper out sensor flag Check the paper out sensor flag for correct operation and installation.
If correct, replace the high-capacity feeder system board. (The paper
out sensor is mounted on the high-capacity feeder system board.)
2 Paper out sensor
(on option system board)
FRU Action
1 Lower limit switch
Lower limit switch cable Check continuity of the lower limit switch. If incorrect, replace the
switch. If correct, check the switch cable. If incorrect, replace the
cable. If correct, replace the high-capacity feeder option control
board.
2 High-capacity feeder
control board Disconnect the lower limit switch cable and check the voltage at J2-1
(orange). The voltage measures approxi5 V dc. If incorrect,
replace the high-capacity feeder option control board.
FRU Action
1 Lower limit switch
Lower limit switch cable
High-capacity feeder
control board Check the lower limit switch to make sure it is not closed (normally
open). If incorrect, replace the switch. Check the lower limit switch
cable for a short between pins 1 and 2. If incorrect, replace the cable.
If correct, replace the high-capacity feeder control board.
FRU Action
1 Autocompensator
assembly Check the autocompensator pick arm rollers for sign of glazing, toner
or other buildup. Replace as necessary.
2 Wear strips Check the wear strips for glazing or contamination. Replace as
required. It is advisable to replace all four wear strips at the same
time.