Lexmark W820 Service Manual - Page 100

Sensor, Stapler Home Position Traverse Removal, on Stapler I Assembly, Removal

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4025-Finisher 990 - Error Code Service Check Logic control sensed that there is a problem with the Stapler Dual Position function. Step Actions and Questions Yes No 1 SENSOR TEST Go to step 3 Go to step 2 Enter Diagnostics and check the Stapler Front 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? 2 STAPLER FRONT SENSOR Problem Go to step 9 Replace the Stapler Front Sensor. Insert then remove a sheet solved of paper into the sensor. Does the Operator Panel LCD change between OP and CL as you insert then remove the paper? 3 SENSOR TEST Go to step 5 Go to step 4 Enter Diagnostics and check the Stapler Head Home 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 STAPLER HEAD HOME SENSOR Problem Go to step 9 Replace the Stapler Head Home Sensor. Go to "Sensor, solved Stapler Home Position Traverse Removal" on page 4-113. 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 TRAVERSE MOTOR TEST From the Finishing Menu, select the following: Copies 5, Staple ON, Staple Dual Does the Stapler Traverse Motor test ok? Go to step 6 Go to step 8 6 STAPLER BASE INSPECTION From the Finishing Menu, select the following: Copies 5, Staple ON, Staple Dual Does the Stapler Base move freely back and forth? Go to step 10 Go to step 7 7 STAPLER ASSEMBLY Problem Go to step 10 Replace the Stapler Assembly. Go to "Stapler I Assembly solved Removal" on page 4-92. From the Finishing Menu, select the following: Copies 5, Staple ON, Staple Dual Does the Stapler Base move freely back and forth? 8 STAPLER TRAVERSE MOTOR Problem Go to step 9 Replace the Stapler Traverse Motor. Go to "Traverse Motor solved Assembly Removal" on page 4-102. From the Finishing Menu, select the following: Copies 5, Staple ON, Staple Dual Does the Stapler Traverse Motor test ok? 2-40 Service Manual

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2-40
Service Manual
4025-Finisher
990 - Error Code Service Check
Logic control sensed that there is a problem with the Stapler Dual Position function.
Step
Actions and Questions
Yes
No
1
SENSOR TEST
Enter Diagnostics and check the Stapler Front 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?
Go to step 3
Go to step 2
2
STAPLER FRONT SENSOR
Replace the Stapler Front Sensor. 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?
Problem
solved
Go to step 9
3
SENSOR TEST
Enter Diagnostics and check the Stapler Head Home 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?
Go to step 5
Go to step 4
4
STAPLER HEAD HOME SENSOR
Replace the Stapler Head Home Sensor. Go to
“
Sensor,
Stapler Home Position Traverse Removal
”
on page 4-113
.
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?
Problem
solved
Go to step 9
5
TRAVERSE MOTOR TEST
From the Finishing Menu, select the following:
Copies 5, Staple ON, Staple Dual
Does the Stapler Traverse Motor test ok?
Go to step 6
Go to step 8
6
STAPLER BASE INSPECTION
From the Finishing Menu, select the following:
Copies 5, Staple ON, Staple Dual
Does the Stapler Base move freely back and forth?
Go to step 10
Go to step 7
7
STAPLER ASSEMBLY
Replace the Stapler Assembly. Go to
“
Stapler I Assembly
Removal
”
on page 4-92
. From the Finishing Menu, select the
following: Copies 5, Staple ON, Staple Dual
Does the Stapler Base move freely back and forth?
Problem
solved
Go to step 10
8
STAPLER TRAVERSE MOTOR
Replace the Stapler Traverse Motor. Go to
“
Traverse Motor
Assembly Removal
”
on page 4-102
. From the Finishing
Menu, select the following: Copies 5, Staple ON, Staple Dual
Does the Stapler Traverse Motor test ok?
Problem
solved
Go to step 9