Brother MFC3420C Trouble Error Codes List

Brother MFC3420C Trouble Error Codes List

Code	Description	Causes
25	Ink cartridges had already been loaded when the power was first applied.
26	The black ink has run out.	• Ink cartridges • Cartridge PCB • Head flat cables • Main PCB • Driver PCB • Ink empty sensor
27	The yellow ink has run out.
28	The cyan ink has run out.
29	The magenta ink has run out.
2A	No black ink cartridge is loaded.
2B	No yellow ink cartridge is loaded.
2C	No cyan ink cartridge is loaded.
2D	No magenta ink cartridge is loaded.
3x	Carriage travel error	• Carriage ASSY • Encoder strip (Any stains or scratches? Hooked correctly?) • Carriage motor • Main PCB • Power supply PCB • Purge unit • Head flat cable N • Driver PCB • Main chassis
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 • Driver PCB
42	The head drive voltage has not been turned from High to Low within the specified time
43	Head thermister broken.	• Print head unit • Carriage ASSY •Main PCB • Driver PCB
44	Head thermister short-circuited or error in its related parameters stored in the EEPROM of the 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 •Main PCB • Power supply PCB • Driver PCB
48	Weak connection of the head flat cable M (main-head power line).or W (driver-head signal line)	• Main PCB • Head flat cable M • Driver PCB • Head flat cable W • 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.)	• 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.)	• Driver PCB
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 • Purge-related gears on the main chassis (Purge bevel gear A, ASF/purge idle gear, and ASF-purge switching gear 23) • Main chassis • Paper feed motor •Main PCB • Driver 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 pump switching cam HP switch does not come ON even after the switching cam has been driven by the specified number of pulses.
53	The pump switching cam HP switch does not go OFF even after the switching cam has been driven by the specified number of pulses.
7E	No head parameters stored in the EEPROM. (This code may appear only in the maintenance mode.)	•Main PCB • Driver PCB
7F	Print engine error	• Main PCB
80	At the start of recording operation, it is detected that paper is smaller than A4 size in length or width.	• Paper width sensor • Paper size
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.)	• Paper width sensor actuator • Registration sensor actuator • Main PCB
88	Recording paper jam. (Even after paper pulling-in operation, the registration sensor is still OFF.)

89	Manual feed slot cover opened.	• Manual feed slot cover sensor • Main PCB
A1	Scanner unit opened.	• Scanner open sensor actuator • Main PCB • Scanner unit
A2	Document too long to scan.	• Document front sensor actuator • Document rear sensor actuator • Control panel PCB • Document sensor PCB • Document feed roller • ADF motor • Main PCB
A3	Document not detected by the document rear sensor.
A4	50% or more faulty of white level data.	• CCD unit • Main PCB
A7	One-line feeding timeout.
A8	One-line scanning timeout.
AA	The document cover is not closed.	Remove the document and close the document cover.
AC	Less than 50% faulty of white level data.	• CCD unit • Main PCB
AE	The CCD HP sensor will not come ON.	• CCD unit • CCD flat cable • Driver PCB •Main PCB
AF	The CCD HP sensor will not go OFF.
B1	Dark level offset data level error for scanning.	• CCD unit •Main PCB
B2	Gain control data level error for scanning.
B3	Scan area left edge detection error.	• CCD unit •Main PCB • Black markings on the white-level reference film inside the scanner top cover
B4	Scan area right edge detection error.

B5	Horizontal scanning edge reduction detection error in scanning area setting	• CCD unit
B6	Horizontal scanning edge enlargement detection error in scanning area setting	• CCD unit
BB	White level data error.	• CCD unit • CCD harness •Main PCB • Document pressure bar
BD	Black level data error.	• CCD unit •Main PCB
BE	Scan starting edge detection error.	• CCD unit • CCD harness •Main 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 • Document feed roller •Main PCB
E6	Write error in EEPROM.	• Main PCB • Driver PCB
E8	Data scanning error during transmission.	• CCD unit •Main PCB
EA	Document removed at phase B.
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 error.	• Main PCB •Media PCB
FF	Memory management error.	• Replace the main PCB if this error occurs frequently.

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