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6: Troubleshooting
Colorwriter LSR 2000 Printer
Service Guide
6-63
Table 6-55
Fixing/delivery unit
Cause
Step
Check
Decision
Action
Fixing roller drive unit
1
Do the fixing rollers rotate
smoothly?
NO
Check the fixing roller
drive unit.
Fixing rollers
2
Is the fixing upper roller or the
fixing lower roller deformed or
flawed?
YES
Replace the roller.
Fixing entrance guide
3
Is the entrance guide soiled? Is
there a protrusion due to a flaw
or toner adhesion?
YES
Clean the entrance
guide.
Nip width
4
Is the fixing lower roller
engagement (nip width) as
prescribed?
NO
Replace the fixing unit.
Cleaning belt
5
Is the cleaning belt being
wound correctly?
NO
Check the fixing cleaner
unit.
Fixing separation guide
6
Is the fixing separation guide
soiled? Or is there a protrusion
due to a flaw or toner adhesion?
YES
Clean the guide.
Delivery paper sensor lever
7
Does the delivery paper sensor
lever move smoothly?
NO
Adjust it so that it moves
smoothly.
Delivery paper sensor
8
Does the delivery paper sensor
operate correctly?
NO
Replace the sensor.
Oil applying unit
9
Is the fixing delivery roller
rotating smoothly? Or is the
face-down delivery roller
rotating smoothly?
YES
Check the operation of
the oil applying unit.
Delivery drive unit
NO
Check the delivery drive
units, and replace the
damaged part.