Lexmark 7463-032, Service Manual

Page: 176 / 834

250/550-sheet media tray option jam service check
Action Yes No
Step 1
Open the media tray and check the media path.
Is it free of obstructions?
Go to step 2. Remove all
obstructions along the
paper path.
Step 2
Check the pick roller assembly for proper installation. Fully press the pick
roller assembly toward the sensor to make sure the mounting latches are
properly engaging the slot in the shaft.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Check the pick roller assembly to make sure that the rollers are free from
contamination and paper dust.
Is the pick roller assembly free of wear or damage?
Go to step 4. Replace the pick roller
assembly. Go to
“Drawer pick roller
removal ” on
page 522
.
Step 4
Check the separator roller tires and gears:
•
make sure that the rollers are free from contamination
•
manually turn the gears and check if it causes the rollers to turn
Is it free of wear or damage?
Go to step 5. Replace the separator
roller. Go to
“Media
tray separation roller
removal” on page
521
.
Step 5
Check the sensor (pass through) for proper operation. Enter Diagnostics
Menu and navigate to:
INPUT TRAY TESTS > Sensor Test > Tray [x]
Does the display on the operator panel change every time the sensing
area of the above sensors are interrupted or blocked?
Go to step 7 . Go to step 6.
Step 6
Check the sensor (pass through):
•
make sure that the sensor is properly installed and seated
• check if the sensor is in good condition. If damaged, then replace the
sensor (pass through). Go to
“Sensor (drawer pass through) removal ”
on page 531 .
Re-seat the connector (J7) on the controller PCBA. POR the machine.
Does the error remain?
Go to step 7. The problem is solved.
7463
Diagnostic information
176