Brother DCP373CW Trouble Error Codes

Brother DCP373CW Trouble Error Codes

Brother DCP373CW Trouble Error Codes

Code	Description	Causes
20, 21, 22, 23	Cannot identify the ink cartridge loaded because the signal values detected by the corresponding ink empty sensor and ink cartridge detection sensor are different from the specified values. Ink cartridge not loaded correctly 20: Black ink 21: Yellow ink 22: Cyan ink 23: Magenta ink	-Ink cartridge loaded after the ink cartridge cover has been left open for 10 minutes or more -Ink cartridge replaced when the power is OFF -Ink cartridge loaded very quickly -Ink cartridge halfway taken in and out Ink cartridge partially broken The ink cartridge loaded is not the specified one Ink empty sensor defective Ink empty sensor PCB defective Main PCB defective
26, 27, 28, 29	Running out of ink. Running out of ink 26: Black ink 27: Yellow ink 28: Cyan ink 29: Magenta ink	Ink empty sensor PCB defective Main PCB defective
2A, 2B, 2C, 2D	Cannot detect ink cartridges. Ink cartridge not loaded 2A: Black ink 2B: Yellow ink 2C: Cyan ink 2D: Magenta ink	Ink cartridge broken Ink cartridge detection sensor defective Ink cartridge detection sensor PCB defective Main PCB defective
2F	Ink cartridge cover opened.	Ink cartridge cover sensor (carbon switch) defective Ink cartridge cover’s tab broken Ink cartridge cover sensor actuator unhooked Rubber keypad defective Control panel PCB defective Main PCB defective
3E	Recording error related to ASF motor, paper feed motor, and carriage motor.	ASF encoder disk, PF encoder disk, or CR encoder strip stained or scratched ASF, PF, or CR encoder defective ASF, PF, or CR motor defective Main PCB defective
3X (except 3E)	Head/carriage unit travel error.	Software malfunction Any obstacles on the travel path of the head/carriage unit CR timing belt come off CR encoder strip stained or scratched Carriage PCB defective Head/carriage unit broken Carriage motor defective Main PCB defective Power supply PCB defective Maintenance unit defective
40	The casing internal temperature thermistor has detected abnormal temperature in the machine.	Main PCB defective Casing internal temperature thermistor defective
42	The head drive voltage has not dropped from the high to low level within the specified period.	Piezoelectric ceramic actuator or head driver defective Carriage PCB defective Main PCB defective
43	The head thermistor has been opened or shorted abnormally. defective	Head flat cables not connected correctly Head flat cables broken Carriage PCB defective Main PCB
44	The temperature of the print head driver has risen abnormally. The head driver chip temperature sensor in the head driver detects abnormally high temperature	.Head property parameters incorrect in the EEPROM Air bubbles in the head/ carriage unit Head flat cables and carriage-head flat cable not connected correctly Head flat cables broken Carriage-head flat cable broken Head/carriage unit broken Main PCB defective
46	The number of performed purge sequences has reached the limit. The ink absorber box may be filled with drained ink.	Purge counter overflown. The number of flushing operations has reached the limit. The flushing box may be filled with drained ink. Flushing counter overflown
48	Weak connection of the head flat cables.	Head flat cables or carriage-head flat cable broken or not connected
49	The head drive voltage has not risen to the specified level.	Head flat cables and carriage-head flat cable not connected correctly Head/carriage unit defective Main PCB defective Power supply PCB defective
4F	The head drive voltage has dropped from the high to low level in an abnormally short period. The head drive voltage has not risen to the specified level within the specified period in the self-diagnosis.	Piezoelectric ceramic actuator defective (Cracks or rare short) Main PCB defective
50, 51	The purge cam switch does not come ON or OFF even after the purge cam has been driven by the specified number of pulses	.Planetary arm assembly not engaged correctly Purge cam switch harness not connected correctly Purge cam switch broken Gear(s) on the maintenance unit broken Paper feed motor defective Power supply PCB defective Main PCB defective

Code	Description	Causes
52	The purge cam switch does not come ON at each detection point.	Planetary arm assembly not engaged correctly Purge cam switch harness not connected correctly Purge cam switch broken Gear(s) on the maintenance unit broken Abnormal load applied to the purge cam Paper feed motor broken Main PCB defective
57	The head/carriage unit does not return to the home position (capping position). Head cap unit, head wiper or other parts on the maintenance unit interfering with the head/carriage unit CR encoder strip stained Any obstacles on the travel path of the head/carriage unit Carriage	PCB ASSY defective Carriage motor defective Head/carriage unit defective Main PCB defective Power supply PCB defective
5A, 5B	Abnormal stop of purge cam being driven Foreign materials in the machine PF encoder disk being in contact with the upper cover and deformed PF encoder	PCB defective Main drain tube bent Clutch gear broken Purge cam gear broken Abnormal load applied to the purge cam Planetary arm assembly broken Paper feed motor defective PF roller gear L broken Engine unit defective Main PCB defective Power supply PCB defective
5D	Current protection for the driver IC activated when the purge cam was being driven.	The driving current has exceeded the limit due to an abnormal load applied to the maintenance unit.
5E	Current protection for the driver IC activated when the pump was in operation.	The driving current has exceeded the limit due to an abnormal load applied to the maintenance unit.
60, 61, 62	Paper width sensor (media sensor) error.	Paper width sensor (media sensor) adjustment failure. Paper width sensor defective Head flat cables broken Main PCB defective
6C	Current protection activated due to an overload applied to the paper feed motor.	Foreign materials in the paper path Paper feed motor defective Main PCB defective
6F	ASF motor does not stop at the intended timing.	Malfunction caused by overload Relevant motor harness not connected correctly Carriage motor defective ASF encoder sensor defective ASF motor defective Main PCB defective
70, 71	Cannot detect the ON/ OFF state of cap lift cam switch.	Cap lift cam switch defective ASF encoder sensor defective ASF motor defective Main PCB defective
72	Cannot detect the origin of the cap lift cam.	Cap lift cam switch defective ASF encoder sensor defective ASF motor defective Main PCB defective
73	Fails to switch the cap lift cam positions.	Cap lift cam switch defective ASF encoder sensor defective ASF motor defective Main PCB defective
7A	Abnormal stop of cap lift cam.	Foreign materials in the head capping mechanism ASF encoder sensor defective ASF motor defective Cap lift cam switch defective Main PCB defective
7D	Current protection for the driver IC activated when the cap lift cam was being driven.	Foreign materials in the head capping mechanism. ASF encoder sensor defective ASF motor defective Cap lift cam switch defective Main PCB defective
7E	No head parameters stored in the EEPROM. (This code may appear only in the maintenance mode.)	No head property data has been entered Main PCB defective
80	At the start of FAX message printing, the controller detects that paper is smaller than A4 size in width.	Paper smaller than the specified size loaded in the paper tray Paper width sensor (media sensor) not adjusted Paper width sensor defective Main PCB defective

Code	Description	Causes
81	In printing except FAX and list printing, the controller detects that paper is smaller than the specified size in width.	Paper smaller than the specified size loaded in the paper tray Paper width sensor not adjusted Paper width sensor defective Main PCB defective
82	Recording paper jam in paper pull-in operation. (Although the registration sensor detects the paper, the paper width sensor fails to detect the leading edge of paper.)	Foreign materials in the paper path Paper printed or paper with blackish leading edge fed Head flat cable connection failure Paper width sensor defective Main PCB defective
83	Recording paper jam. (The registration sensor detects paper abnormally early in paper feeding operation in the normal SF mode.) (The registration sensor sticks to ON in the high-speed feed mode.)	Paper double feeding caused by incorrect loading in the paper tray
84	Recording paper jam. (The registration sensor sticks to ON after completion of paper ejection operation.)	Foreign materials in the paper path Registration sensor actuator caught on the surrounding parts Registration sensor defective PF timing belt come off The paper ejection roller does not rotate correctly Main PCB defective
88	Recording paper jam. (Even after paper pulling-in operation, the registration sensor is still OFF.)	Jam clear cover not closed correctly Registration sensor harness not connected correctly Bank ASSY deformed Paper pull-in rollers defective Mode switching lever (at the right end of CR guide rail) not sliding smoothly At the ends of the paper feed roller shaft, any gear(s) damaged Paper feed motor defective Main PCB defective
8A	The paper feed motor does not rotate.	Foreign materials in the machine Paper feed motor harness not connected correctly Abnormal load applied to the paper feed roller PF-related gear(s) broken PF encoder disk stained or scratched PF encoder sensor defective Paper feed motor defective Main PCB defective
8B	The paper feed motor stops suddenly.	Abnormal load applied to the paper feed roller PF-related gear(s) broken PF encoder disk stained or scratched PF encoder sensor defective Paper feed motor defective Main PCB defective
8C	Current protection for the driver IC activated in paper feeding operation.	The driving current has exceeded the limit due to an abnormal load applied to the PF-related gears and rollers.
8D	The paper feed motor rotates in the reverse direction.	PF encoder disk stained or scratched PF encoder disk dislocated PF encoder sensor defective Paper feed motor defective Abnormal load applied to the paper feed roller Main PCB defective
8F	The paper feed motor is being driven and cannot be stopped.	Software malfunction Paper feed motor harness not connected correctly
90	Recording paper width exceeding the letter size is detected by the paper width sensor (media sensor).	Wrong size paper loaded in the paper tray. Paper width sensor defective Main PCB defective
91	Recording paper length shorter than the specified size is detected by the registration sensor.	Wrong size paper loaded in the paper tray. Registration sensor defective Main PCB defective
A1	Scanner cover (scanner unit) opened	Scanner cover sensor (carbon switch) broken Scanner cover sensor actuator unhooked Rubber keypad defective Control panel PCB defective Main PCB defective
A2	During scanning or ejecting, a document of 90 cm or longer is detected.	Document jam Foreign materials in the machine Document rear sensor actuator caught on the surrounding parts Document rear sensor broken Document feed roller 2 defective or not rotating Main PCB defective
A3	The document rear sensor does not come ON during document pull-in operation.	Document jam Foreign materials in the machine Document rear sensor actuator caught on the surrounding parts Document rear sensor broken ADF motor defective ADF-related gear(s) broken Main PCB defective

Code	Description	Causes
A5	FAX scanning failure (1st time)	CIS defective White reference film stained in the scanner cover Main PCB defective
A6	FAX scanning failure (retry)	CIS defective White reference film stained in the scanner cover Main PCB defective
A7	Mismatch between the type of the CIS mounted and EEPROM data.	Scanner cover containing the improper CIS type mounted at repair.
A8	Color parameter matching error. (Used for monitoring bugs at the factory.)
AF	CIS positioning error.	CIS flat cable broken or not connected properly CIS motor harness not connected properly CIS motor defective CIS drive unit defective CIS defective Main PCB defective
BD	Black level data error.	CIS defective Main PCB defective
DF ... E0	Modem error.	SDAA chip defective Main PCB defective
E2	Wired LAN MAC address not registered	MAC address not registered correctly
E3	Wireless LAN MAC address not registered.	MAC address not registered correctly
E4	No recording paper fed. (No paper detected by the registration sensor.)	Paper tray not set in place Recording paper not loaded correctly No paper loaded in the paper tray. Jam clear cover not closed correctly Registration sensor harness connection failure Registration sensor defective Main PCB defective
E5	Write error in EEPROM on the cordless PCB.	The base ID code and cordless handset ID code registered are mismatched.
E6	Write error in EEPROM.	Main PCB defective
E7	No communication between cordless PCB and cordless handset	The base ID code and cordless handset ID code registered are mismatched.
E8	Data scanning error during transmission.	CIS defective Main PCB defective
EA	Document removed at phase B.	Document front sensor actuator caught on the surrounding parts Document front sensor defective Main PCB defective

Code	Description	Causes
EC	LCD connection detection failure.	LCD flat cable not connected correctly LCD unit defective Main PCB defective
ED	Touch panel initialization failure at the time of power ON.	Touch panel in contact with something during initialization at the time of power ON. Touch panel defective Touch panel PCB defective Main PCB defective
EE	Bluetooth PCB connection failure	Bluetooth PCB not connected correctly Bluetooth PCB defective
F7	Media module detection failure.	Main PCB defective
F8	Battery harness connection failure. (Available in the maintenance mode only)	Battery harness not connected correctly

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