Lexmark W820 Service Manual page 130

Attendance Message 201
There is a paper jam between the Registration Sensor and the Fuser
Exit Switch.
Logic Control on the MCU PWB sensed the Fuser Exit Switch was not actuated within the
specified time since the Registration Clutch was actuated.
Step Actions and Questions
1 PAPER PATH INSPECTION
Inspect the paper path for paper scraps that may cause a
paper jam.
Is the paper path free of paper scraps?
2 PAPER INSPECTION
Inspect the paper loaded in the paper cassette.
Is the paper wrinkled or damaged?
3 PAPER TRAVEL INSPECTION
Open the Left Upper Cover and observe the position of the
jammed paper.
Did the sheet of paper stop at the Registration Rolls?
4 REGISTRATION CLUTCH TEST
Press the Main Interlock Switch and open the Left Upper
Cover to observe the Registration Rolls.
Enter Diagnostic Mode - to start a Print Test.
Does the Registration Roll rotate running the Print Test?
5 REGISTRATION SENSOR TEST
Enter Diagnostic Mode and select the Registration Sensor.
Open the Left Upper Cover and insert, then remove, a sheet of
paper into the Registration Sensor.
Does the Operator Panel LCD change between OP and CL
as you insert then remove the paper?
6 PAPER TRAVEL INSPECTION
Open the Left Upper Cover and observe the position of the
jammed paper.
Did the sheet of paper stop on the Drum?
7 DRUM INSPECTION
Open the Left Upper Cover and open the Drum Shutter.
Are the stripper fingers damaged or is there paper stuck
under the fingers or stuck between the Drum and CRU
frame?
8 DRUM ROTATION TEST
Open the Left Upper Cover and open the Drum Shutter.
Hand rotate (counterclockwise) the Main Drive Motor.
Does the Drum rotate smoothly and without binding?
2-34
Service Manual
4025-XXX
Yes No
Go to step 2 Clear the
paper path
Replace the Go to step 3
paper with
new paper
Go to step 4 Go to step 5
Clean the Replace the
Registration "Registration
Rollers Clutch" on
page 4-51
Go to step 6 Replace the
"Registration
Sensor" on
page 4-56
Go to step 7 Go to step 9
Replace the Go to step 8
EP Cartridge
Go to step 9 Replace the
EP Cartridge