Head Property Information Not Input; Recording Paper Size Error (During Fax/List Printing); Registration Sensor, Paper Width Sensor Detect Unspecified Papers - Brother MFC-J3520 Service Manual

Error Code 7E

Unable to Print 7E

Head property information not input.

Step
1 Head property information not
input
2 Main PCB defective
Error Code 80

Wrong Paper Size / Wrong Paper

Recording paper size error (during FAX/list printing)

Registration sensor, paper width sensor detect unspecified papers.

User Check
- Check whether the recording paper being used is within the specification.
- Check that dark recording paper is not used.
- Clean the platen.
Step
1 Registration actuator caught
on the surrounding parts
2 CR encoder strip stained
3 PF encoder disk stained
4 CR encoder strip defective
5 PF encoder disk defective
6 Paper width sensor defective
7 PF encoder sensor defective
8 Registration sensor defective
9 Carriage motor defective
10 Paper feed motor defective
11 Main PCB defective
Cause
Input the head property information (refer to
Chapter 5, Section 1.3.25 "Updating of Head
Property Data and Backup/Restoration of Head
Calibration
Replace the main PCB ASSY.
Cause
Set the registration actuator into place.
Clean the CR encoder strip.
Clean the PF encoder disk and flushing guide
(refer to
BEFORE
Replace the CR encoder strip.
Replace the PF encoder disk.
Replace the carriage PCB ASSY.
Replace the PF encoder sensor PCB ASSY.
Replace the registration sensor PCB ASSY.
Replace the carriage motor ASSY.
Replace the paper feed motor.
Replace the main PCB ASSY.
2-40
Solution
Data.")
Solution
Chapter 3, Section 1 "PRECAUTIONS
PROCEEDING.")
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