Brother International HL-720 Service Manual - Page 77

Double feeding, Wrinkles, Replace the MP paper

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Page 77 highlights

F-1 Double feeding Possible cause Paper Separation pad Step Check 1 Is the paper of a recommended type used? 2 Is the surface of the separation pad worn? Result No Yes Remedy Instruct the user to use the recommended types of paper. Replace the MP paper tray. F-2 Wrinkles Possible cause Paper Step Check 1 Is the paper of a recommended type used? 2 Is the wrinkle problem solved if a new paper is used? Fixing unit entrance guide Fixing unit 3 Is the entrance guide soiled? 4 Is the pressure roller soiled? Result No No Yes Yes Remedy Instruct the user to use the recommended types of paper. Instruct the user how to store paper so that it does not absorb moisture. Clean the entrance guide. Clean the pressure roller. Replace the fixing unit.

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F-1
Double feeding
Possible cause
Step
Check
Result
Remedy
Paper
1
Is the paper of a recommended
type used?
No
Instruct the user to
use the recommended
types of paper.
Separation pad
2
Is the surface of the separation pad
worn?
Yes
Replace the MP paper
tray.
F-2
Wrinkles
Possible cause
Step
Check
Result
Remedy
Paper
1
Is the paper of a recommended
type used?
No
Instruct the user to
use the recommended
types of paper.
2
Is the wrinkle problem solved if a
new paper is used?
No
Instruct the user how
to store paper so that
it does not absorb
moisture.
Fixing unit
entrance guide
3
Is the entrance guide soiled?
Yes
Clean the entrance
guide.
Fixing unit
4
Is the pressure roller soiled?
Yes
Clean the pressure
roller.
Replace the fixing unit.