How to get rid of a black band on Brother HL-820 Printer prints?
To eliminate a black band on prints from your Brother Printer: * Return the wire cleaner to its home position. * Clean the corona wire.
What causes faulty registration on my Brother HL-820?
Faulty registration on your Brother Printer can be caused by: * Excessive paper load, so keep paper loads below 22mm in depth. * Using incorrect print paper, so use the recommended types of paper. * An incorrect paper resist sensor position, so reposition the sensor correctly.
Why is my Brother HL-820 Printer printing too dark?
There are several reasons why your Brother Printer might be printing too dark. It could be due to: * A soiled corona wire, in which case you should clean it using the wire cleaner. * Corona contact failure, which requires cleaning both electrodes. * A drum unit failure, which requires replacing the drum unit with a new one. * Failure of the high-voltage power supply PCB, panel sensor PCB, or main PCB, all of which would need replacing.
Why is there dirt on the back of paper from my Brother HL-820 Printer?
If you notice dirt on the back of paper from your Brother Printer, clean the pressure roller of the fixing unit. If the dirt is from within the drum unit, replace the drum unit.
What causes black, blurred horizontal stripes on Brother HL-820 Printer output?
If you're seeing black, blurred horizontal stripes on your Brother Printer output: * Replace the drum unit if there's a scratch on the drum. * Print several sheets to see if toner stuck on the developer roller clears. * Replace the fixing unit if there's a scratch on the fixing roller. * Replace the high-voltage power supply PCB if necessary.
How to resolve black spots on printouts from my Brother HL-820 Printer?
To resolve black spots on printouts from your Brother Printer: * If toner remains stuck on the drum unit, gently wipe it off with a cotton swab. * Check and clean the heat roller with a cloth dampened with alcohol; consider replacing the fixing unit. * Replace the high-voltage power supply PCB if necessary.
How do I fix black, blurred vertical streaks on my Brother Printer?
To fix black and blurred vertical streaks on your Brother Printer: * Clean the corona wire with the wire cleaner. * Clean any toner off the paper feed system. * Replace the drum unit if there's a scratch on the drum or due to cleaning failure. * Replace the fixing unit if there's a scratch on the heat roller.
How to remove white spots from Brother HL-820 prints?
To address white spots on prints from your Brother Printer: * Shake the drum unit horizontally and replace the toner cartridge with a new one. * Try changing the paper. * Ensure the printer is used within the specified print environment.
What to do if there are blank spots on printouts from my Brother HL-820 Printer?
If you notice blank spots on printouts from your Brother Printer, remove the drum unit and gently rock it to redistribute the toner evenly.
What to do if my Brother HL-820 has poor fixing?
If your Brother Printer has poor fixing, ensure you are using paper of the recommended weight and thickness. You may also need to clean the toner sensor or correctly fit the thermistor. In some cases, the low-voltage power supply PCB may need to be replaced.
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