Brother MFC-J5335DW Service Manual page 67

■ Error Code 2E00
Cannot communicate with ink cartridge IC chip (machine body side.)
Step
1 Main PCB defective
■ Error Code 2F00
Ink cartridge cover sensor detects opened cover state.
< User Check >
- Close the ink cartridge cover.
Step
1 Ink cartridge cover sensor
harness connection failure
2 Ink cartridge cover defective
3 Ink cartridge cover sensor
defective
4 Main PCB defective
■ Error Code 3000
Carriage does not move. Detected by the CR encoder sensor.
< User Check >
- Remove the jammed paper in platen part.
Step
1 Foreign materials in the engine
unit
2 CR encoder strip out of place
3 CR timing belt out of place
4 Head cover out of place
5 Carriage motor harness
connection failure
6 Carriage flat cable connection
failure
7 CR encoder strip stained
8 CR encoder strip defective
9 CR encoder sensor defective
10 Carriage motor defective
11 Main PCB defective
Cause
Replace the main PCB.
Cause
Reconnect the ink cartridge cover sensor
harness.
Replace the ink cartridge cover.
Replace the ink cartridge cover sensor ASSY.
Replace the main PCB.
Cause
Remove foreign materials.
Set the CR encoder strip into place.
Set the CR timing belt into place.
Set the head cover into place.
Reconnect the carriage motor harness.
Reconnect the carriage flat cable.
Clean the CR encoder strip.
Replace the CR encoder strip.
Replace the carriage PCB ASSY.
Replace the carriage motor.
Replace the main PCB.
2-31
Solution
Solution
Solution
Confidential