Brother MFC-J6920DW, Service Manual

Page: 46 / 365

Confidential 2-12
Error
Code
Contents
Refer to
page:
40 Casing internal thermistor defective
Casing internal thermistor detects -20 °C or less and 80 °C or more
when power is ON.
2-33
42 Head voltage fails to be turned OFF. 2-33
43 Head thermistor defective
Head thermistor detects -20 °C or less and 80 °C or more when power
is ON.
2-34
44 Head driver IC detects abnormal temperature during operation or
standby. 2-34
46 Purge count or flushing count overflown. 2-34
48 Head flat cable detected to be not correctly inserted. 2-35
49 Head voltage does not raise. 2-35
4F Head voltage drops too quick. 2-36
50 The purge cam switch is not switching ON/OFF. 2-36
52 Failed to detect the origin of the purge cam. 2-37
5A Abnormal stop of purge cam being driven 2-38
5B Pump of maintenance unit stopped abnormally during exhaustion/
suction. 2-38
5D Excessive current protection activated for the driver IC during purge
cam operation. 2-38
5E Excessive current protection activated for the driver IC during pump
operation. 2-38
67 Switchback sensor detects no paper tray 1 state. 2-39
75 Head/carriage unit cannot shift to head capping position. 2-39
76 Head/carriage unit cannot shift to head uncapping position. 2-39
7E Head property information not input. 2-40
80 Recording paper size error (during FAX/list printing)
Registration sensor, paper width sensor detect unspecified papers.
2-40
81 Recording paper size error (other than FAX/list printing)
Registration sensor, paper width sensor detects papers smaller than
specified size.
2-41
82 Recording paper jam
Paper width sensor cannot detect leading edge of recording papers.
2-41
84 Recording paper jam
Registration sensor stays in paper feeding state even after completion
of paper ejection action.
2-42