Head Thermistor Defective; Head Driver Ic Detects Abnormal Temperature During Operation Or Standby; Purge Count Or Flushing Count Overflown - Brother MFC-J3520 Service Manual

Error Code 43

Unable to Print 43

Head thermistor defective

Head thermistor detects -20 °C or less and 80 °C or more when power is ON.
Step
1 Carriage flat cable connection
failure
2 Head thermistor defective
3 Main PCB defective
Error Code 44

Unable to Print 44

Head driver IC detects abnormal temperature during operation or standby.

Step
1 Carriage flat cable connection
failure
2 Head property information not
input
3 Head defective
4 Main PCB defective
Error Code 46

Unable to Print 46 / Ink Absorber Full

Purge count or flushing count overflown.

Step
1 Ink absorber box or flushing
box full
2 Main PCB defective
Cause
Reconnect the carriage flat cable.
Replace the head/carriage unit.
Replace the main PCB ASSY.
Cause
Reconnect the carriage flat cable.
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 head/carriage unit.
Replace the main PCB ASSY.
Cause
Replace ink absorber box or flushing box,
resetting purge counter or flashing counter.
Replace the main PCB ASSY.
2-34
Solution
Solution
Data.")
Solution
LCD
LCD
LCD
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