Brother MFC4420C Trouble Error Codes List

Brother MFC4420C Trouble Error Codes List

Code	Description	Remedy
25	Ink cartridges had already been loaded when the power was first applied.	Reload ink cartridges, referring to the Owner's Manual.
26	The black ink has run out.	• Ink cartridges • Ink cartridge sensor PCB • Needle tube & head flat cable ASSY •Main PCB
27	The yellow ink has run out.	• Ink cartridges • Ink cartridge sensor PCB • Needle tube & head flat cable ASSY •Main PCB
28	The cyan ink has run out.	• Ink cartridges • Ink cartridge sensor PCB • Needle tube & head flat cable ASSY •Main PCB
29	The magenta ink has run out.	• Ink cartridges • Ink cartridge sensor PCB • Needle tube & head flat cable ASSY •Main PCB
3X	Carriage travel error	• Any obstacle to the travel of the carriage in the machine? • Recording paper jammed? • Carriage ASSY • CR encoder strip (Any stains or scratches? Hooked correctly?) • Carriage motor •Main PCB • Power supply PCB • Purge unit • Engine lower frame
41	The head drive voltage has not been turned from Low to High within the specified time.	• Carriage ASSY •Main PCB • Print head unit • Power supply PCB
42	The head drive voltage has not been turned from High to Low within the specified time.	• Carriage ASSY •Main PCB • Print head unit • Power supply PCB
43	Head thermistor broken.	• Print head unit • Carriage ASSY •Main PCB
44	Head thermistor short-circuited	.• Print head unit • Carriage ASSY •Main PCB
45	Flushing operation abnormally ended. (The head temperature has arisen abnormally.)	• Print head unit
46	The number of performed purge sequences has reached the limit.	• Ink absorber box • Driver PCB
47	Head parameters stored in the EEPROM are invalid. (This code may appear only in the maintenance mode.)	• Print head unit • Driver PCB • Power supply PCB
48	Weak connection of the head flat cables.	• Main PCB • Print head unit
4D	Error in the head drive voltage parameter stored in the EEPROM but not accessible at the user site. (This code may appear only in the maintenance mode.)	•Main PCB • Driver PCB

4E	Out of the allowable range of the head drive voltage designed for individual print head properties. (This code may appear only in the maintenance mode.)	•Main PCB • Driver PCB • Print head unit
50	The purge cam HP switch does not come ON even after the purge cam has been driven by the specified number of pulses.	• Purge unit • Engine lower frame • Paper feed motor •Main PCB
51	The purge cam HP switch does not go OFF even after the purge cam has been driven by the specified number of pulses.
52	The purge cam HP switch does not detect the origin point.	• Purge unit • Engine lower frame • Paper feed motor •Main PCB
54	The air pump motor does not rotate.
55	The air pump motor rotates abnormally. (This code may appear only in the maintenance mode.)	• Air pump & motor module • Driver PCB
60, 61, 62, 63	Paper width sensor (media sensor) error.	• Replace the needle tube & head flat cable ASSY
68	The ASF switch remains OFF after the ASF motor is driven by the specified steps.
69	The ASF switch remains ON after the ASF motor is driven by the specified steps.
7D	Any of the ink dot counters has counted up to the specified number of dots, meaning the end of the head service life.	• Print head unit • Ink absorber box
7E	No head parameters stored in the EEPROM. (This code may appear only in the maintenance mode.)	• Main PCB • Driver PCB • Print head unit
7F	Print engine error.
80	At the start of recording operation, the controller detects that paper is smaller than A4 size in length or width.	• Main PCB • Driver PCB • Paper width sensor •Paper size
81	Recording paper jam. (The paper width sensor stays ON.)	• Paper width sensor
83	Recording paper jam. (At the retry of paper pulling-in operation, the registration sensor is not OFF.)	• Registration sensor actuator •Main PCB

84	Recording paper jam. (The paper width sensor and/or registration sensor has detected a paper jam.)	• Registration sensor actuator • If the paper width sensor is defective, replace the needle tube & head flat cable ASSY. •Main PCB
87	The paper feed motor has not stopped at the correct position.	• Paper feed motor
88	Recording paper jam. (Even after paper pulling-in operation, the registration sensor is still OFF.)	• Registration sensor actuator • If the paper width sensor is defective, replace the needle tube & head flat cable ASSY. •Main PCB
8A	The paper feed motor does not rotate.
8B	The paper feed motor stops suddenly
8D	The paper feed motor rotates in the reverse direction.
8E	Max. speed error in the paper feed motor.
A1	Scanner unit or ink slot cover opened.	• Scanner open sensor actuator • Ink slot cover open sensor actuator • Control panel PCB
A4	50% or more faulty of white level data.	•CIS unit • Driver PCB •Main PCB
AC	Less than 50% faulty of white level data.	• CIS unit • Driver PCB •Main PCB
AF	CIS positioning error	• CIS unit • CIS flat cable • Driver PCB •Main PCB
B1	Dark level offset data level error for scanning.	• CIS unit •Main PCB
B2	Gain control data level error for scanning.	• CIS unit •Main PCB
B3	Scan area left edge detection error.	• CIS unit •Main PCB • Black markings on the white-level reference film inside the scanner top cover
B4	Scan area right edge detection error.	• CIS unit •Main PCB • Black markings on the white-level reference film inside the scanner top cover

B5	Horizontal scanning edge reduction detection error in scanning area setting
B6	Horizontal scanning edge enlargement detection error in scanning area setting
B7	A/D converter reference voltage error (at High level).	• Main PCB
B8	A/D converter reference voltage error (at Low level).	• Main PCB
B9	Light emission intensity error of the LED array (Exceeding the upper limit).	• CCD unit •Main PCB
BB	White level data error.	• CIS unit • CIS flat cable • Driver PCB
BD	Black level data error.	• CIS unit • Main PCB
BE	Scan starting edge detection error.	• CIS unit • CIS flat cable • Driver PCB • Black markings on the white-level reference film inside the scanner top cover
DX	Modem error.	• Main PCB
E4	Out of recording paper.	• ASF • Registration sensor actuator • Main PCB
E6	Write error in EEPROM.	• Driver PCB
E8	Data scanning error during transmission.	• CIS unit • Main PCB
EA	Document removed at phase B.	• CIS unit • Main PCB
F3, F5	Internal software error.	• Replace the main PCB if this error occurs frequently.
F6	PC interface error.	• Interface cable •Main PCB

F7	Media module connection error.	• Main PCB • Media module
F8	Backup battery not loaded correctly.	• Reinsert the battery connector. • Replace the battery.
F9	Weak connection of media flat cables.	• Media flat cables •Media PCB
FF	Memory management error.	• Replace the main PCB if this error occurs frequently.

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