Lexmark W820 - Page 113

Diagnostic Information 2-17
4025-XXX
2 DRIVE ASSEMBLY INSPECTION
Remove the EP Cartridge.
Hand rotate (counterclockwise) the Main Motor.
Can you easily rotate the Main Motor and do all of the
gears on the Main Drive Assembly rotate freely and
without binding?
Replace the
EP Cartridge
with a new
one
Go to step 3
3 SUBSYSTEM ISOLATION
Open the Left Upper Cover.
Touching only the drive gear at the end of the Roll, hand rotate
the BTR.
Can you easily rotate the BTR?
Go to step 4 Replace the
“Left Upper
Cover
Assembly”
on page 4-52
4 SUBSYSTEM ISOLATION
Remove the Fuser Assembly.
Hand rotate (counterclockwise) the Main Motor.
Can you easily rotate the Main Motor and do all of the
gears on the Main Drive Assembly rotate freely and
without binding?
Replace the
“Fuser
Assembly”
on page 4-65
Go to step 5
5 SUBSYSTEM ISOLATION
Remove the Offset Unit.
Hand rotate (counterclockwise) the Main Motor.
Can you easily rotate the Main Motor and do all of the
gears on the Main Drive Assembly rotate freely and
without binding?
Replace the
“Offset/Exit
Assembly”
on page 4-69
Go to step 6
6 SUBSYSTEM ISOLATION
Remove the Tray 1 Feed Clutch.
Hand rotate (counterclockwise) the Main Motor.
Can you easily rotate the Main Motor and do all of the
gears on the Main Drive Assembly rotate freely and
without binding?
Replace the
“Tray 1 Feed
Clutch” on
page 4-14
Go to step 7
7 SUBSYSTEM ISOLATION
Remove the MP FEEDER ASSEMBLY
Hand rotate (counterclockwise) the Main Motor.
Can you easily rotate the Main Motor and do all of the
gears on the Main Drive Assembly rotate freely and
without binding?
Replace the
“MP Feeder
Assembly”
on page 4-40
Replace the
“Main Drive
Assembly”
on page 4-79
8 Main Motor Test
Enter Diagnostics Mode to run a print test.
Does the Main Motor Run?
Go to step 10 Go to Step 9
Step Actions and Questions Yes No