Attendance Message Service Checks - Lexmark W820 - Optra B/W Laser Printer Service Manual

Attendance Message Service Checks

280 - Attendance Message
Logic Control sensed that the H-Tra Input Sensor was not deactuated within a specified time after it was
actuated.
Step Actions and Questions
1 PATH LOCATION INSPECTION
Inspect the position of the sheet of paper in the H-Tra.
Has the trail edge of the sheet of paper cleared the H-Tra
Input Sensor?
2 SENSOR TEST
Enter Diagnostics and check the H-Tra Input Sensor function.
Insert then remove a sheet of paper into the sensor.
Does the Operator Panel LCD change between OP and CL
as you insert then remove the paper?
3 H-TRA INPUT SENSOR
Replace the H-Tra Input Sensor. Go to
on page 4-20. Enter Diagnostics and check the H-Tra Input
Sensor function. Insert then remove a sheet of paper into the
sensor.
Does the Operator Panel LCD change between OP and CL
as you insert then remove the paper?
4 FINISHER MAIN BOARD
Replace the Finisher Main Board. Go to
Main Removal" on page
the H-Tra Input Sensor function. Insert then remove a sheet of
paper into the sensor.
Does the Operator Panel LCD change between OP and CL
as you insert then remove the paper?
5 PATH PAPER INSPECTION
Inspect the Drive Rolls in the entire H-Tra Assembly.
Are all of the Drive Rolls in the H-Tra Assembly clean and
free of obvious wear and damage?
6 DRIVE TRAIN TEST
Enter Diagnostics and select Output Bin Tests. Select Feed
Test, Output Bin 2 to run the Finisher Main Feed Motor.
Does the Finisher Main Feed Motor run smoothly?
7 DRIVE TRAIN INSPECTION
Inspect the drive train, including belts, pulleys, and gears, of
the entire H-Tra Assembly from the Finisher Main Feed Motor
to Feed Roller 1.
Does the entire drive train of the H-Tra Assembly appear
to be in good condition, with no damaged or slipping belts
and no chipped or broken pulleys or gears?
2-12
Service Manual
4025-Finisher
"Sensors Removal"
"PWB Assembly-
4-132. Enter Diagnostics and check
Yes No
Go to step 2 Go to step 5
Go to step 4 Go to step 3
Problem Go to step 4
solved
Problem Replace the
solved MCU Board
Go to step 6 Replace the
suspect Drive
Rolls
Go to step 7 Replace the
Finisher Main
Feed Motor
Go to step 8 Replace the
suspect belts,
pulleys, and
gears