Brother MFC7820N fix error codes list
– Compatible Printer model: Brother MFC7820N
– Brother MFC7820N Error Codes with instructions guide:
- Code: 56
- Description: The back cover is opened.
- Causes:
- Code: 5B
- Description: New toner detection lever Error (Toner switch stays on.)
- Causes: New toner detection lever broken New toner detection switch defective
- Code: 6A
- Description: Heater warming-up timeout error. (Heater does not reach 60 within 11 second.)
- Causes: Thermistor defective Halogen heater defective
- Code: 6B
- Description: Heater warming-up timeout error. (Heater does not reach 100 within 15 second.)
- Causes: Thermistor defective Halogen heater defective PS PCB defective
- Code: 6C
- Description: Heater temperature exceeds the maximum high temperature. (270 or more is detected for 1sec.)
- Causes:
- Code: 6E
- Description: Heater temperature does not go up enough.
- Causes: Halogen heater defective PS PCB defective
- Code: 6F
- Description: Heater hard limiter operates.
- Causes: Thermistor defective PS PCB defective
- Code: 71
- Description: Scanner motor does not synchronize with the reference clock.
- Causes: Laser unit defective Main PCB defective
- Code: 72
- Description: Cannot detect Beam Detect signal.
- Causes: Laser unit defective Main PCB defective
- Code: 73
- Description: The drum unit is not mounted.
- Causes:
- Code: 74
- Description: Toner empty
- Causes: Toner sensor defective Toner empty
- Code: 75
- Description: In casing temperature error.
- Causes: In casing temperature sensor defective
- Code: 76
- Description: Heater overheat
- Causes: Thermistor defective in Fixing unit Halogen heater defective
- Code: 77
- Description: The power supply is turned off when the error 76 or 78 occurs.
- Causes:
- Code: 78
- Description: Temperature of the heater does not rise
- Causes: Poor connection in the harness of the halogen lamp Halogen lamp defective Thermistor defective PS PCB unit defective Main PCB defective
- Code: 79
- Description: In casing temperature sensor harness disconnected or broken.
- Causes: LVPS unit defective Main PCB defective
- Code: 7A
- Description: Main motor does not synchronize with the reference clock.
- Causes: Thermistor defective Main PCB defective Main motor defective
- Code: 7B
- Description: ASIC error on the main PCB.
- Causes:
- Code: 80
- Description: AT the start of FAX message printing, the controller detects that paper is smaller than A4 size in length.
- Causes: Paper smaller than the specified size loaded in the paper tray
- Code: 81
- Description: Recording paper jam. (The paper width sensor stays ON even after completion of paper ejection operation.)
- Causes:
Solved Brother MFC7820N Error codes
– Get more error code list with quick guide to fix printer product, click here
– About get help with reseting Epson inkpad or others, click here
About Canon Servie Tool V5610
– Canon Service Tool V5610 is a tool used to perform maintenance on Canon printers and reset Canon printers after replacement of parts such as replacing ink absorbents, print heads, printer mainboard, and others. Based on the many cases we have encountered, the Service Tool is most often used to reset ink absorber counter value when the waste ink absorber is full.
– The ink absorber is going to be full of box, it has to be replaced or cleaned the waste ink absorber. Also, replaceing or cleaning the waste ink absorber, you need to repair or reset the waste ink counter value, cause those parts are concerned to each others.
– So using Canon Service Tool V5610 to reset the waste ink counter value becomes effective when the ink absorber is replaced or cleaned.
– Canon Service Tool V5610 can use to fix error code 5B00, 5B02, 5B04, 5B14, 1701, 1702, 1700 on your printer. You must enter Service Mode on your printer to use this Canon Service Tool.
– If the printer can not enter Service Mode, you can not reset it by Canon ST V5610. In this case, change EEPROM on the logic board.
Canon Service Tool V5610 Functions
– Fix Canon printer 7 times/ 8 times red light blinking:
– Fix Canon printer error code: 5B00, 5B01, 1700, 1701
Enter Service Mode on Canon Printer
1. Turn off a printer
2. Press and hold the Resume/Cancel/Stop button
3. Press and hold the ON button (do not release both buttons)
4. Release the Resume/Cancel/Stop button (do not release the ON button)
5. While holding the ON button, press the Resume/Cancel/Stop button 5 times, then release both the ON and Resume/Cancel/Stop buttons together.
– Canon printer in service mode: computer detects new hardware, led on printer goes green light.
For more information about Canon Serice Tool V5610
– Get more information about Epson XP 15000 troubleshooting, click here
– Buy cheap key of Epson WIC Reset Tool, CLICK HERE
– Key Epson Adjustment Program, CLICK HERE
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