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.
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.
How to fix image distortion on my Brother HL-820?
To fix image distortion on your Brother Printer: * Ensure the scanner unit is secured correctly and tighten the screws. * If there's scanner LD emission failure or scanner motor rotation failure, replace the scanner unit. * Connect the harness correctly if there's a scanner connection failure.
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.
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.
How to fix white vertical streaks on my Brother Printer?
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