Lexmark W820 Service Manual page 129

Step Actions and Questions
6 The following printer FRUs and areas are associated with this
specific problem. One or more of these FRUs or areas may
have failed partially or completely. If you cannot isolate this
problem using the steps in this service check, replace each
FRU or troubleshoot each area, one at a time, until you isolate
and solve the problem.
•
Wiring and connectors linking the FRUs
Error Code 261
There is a paper jam between Tray 2 Take Away Sensor and Tray 3 Take Away Sensor.
Logic Control on the MCU PWB sensed that when paper was fed from Tray 5, the Tray 2
Take Away Sensor signal did not actuate within the specified time after the Tray 3 Take
Away Sensor was actuated.
Step Actions and Questions
1 Are all the feed rolls correctly installed? Go to
Nudger, Feeder, and Retard Rolls" on page
Feed, Nudger, and Retard Rolls" on page
Feed, Nudger, and Retard Rolls" on page
2 PAPER INSPECTION
Inspect the paper that is loaded in the paper cassette.
Is the paper loaded in the cassette wrinkled or damaged?
3 PAPER PATH INSPECTION
Inspect the paper path for paper scraps or foreign objects that
could cause a paper jam.
Is the paper path clear?
4 TRAY 2 TAKE AWAY SENSOR TEST
Enter Diagnostic Mode, Base Sensors - Tray 2 Take Away
Sensor. Insert, then remove, a sheet of paper into the Sensor.
Does the Control Panel LCD change between OP and CL
as you insert then remove the paper?
5 TRAY 3 TAKE AWAY SENSOR TEST
Enter Diagnostic Mode, Base Sensors - Tray 3 Take Away
Sensor. Insert, then remove, a sheet of paper into the Sensor.
Does the Control Panel LCD change between OP and CL
as you insert then remove the paper?
4025 Options
"Tray 3
4-84, "Tray 4
4-96, and "Tray 5
4-104.
Yes No
Yes No
Go to step 2 Install
correctly or
replace as
necessary
Replace the Go to step 3
paper with
new paper
Go to step 4 Clear the
paper path
Go to step 5 Replace the
Tray 2 Take
Away Sensor.
Go to the
printer service
manual for the
Removal and
Replacement
Procedure.
Go to step 6 Replace the
"Tray 3 Take
Away
Sensor" on
page 4-78
Diagnostic Information
2-47