The most obvious is most common on laser color printers and can be detected by a flashing message on the printer display screen. Other signs of a bad printer drum include printing blank pages, printing gray pages and strange sounds coming from the printer as it prints.

For Brother printers, the drum unit is usually connected to the toner cartridge. 1. To find it, simply open the front flap of your laser printer and find the toner cartridge(s) which the drum unit will be attached to or beneath.

Replacing the drum unit

1. Make sure that the machine is turned on.
2. Open the front cover.
3. Remove the toner cartridge and drum unit assembly from the machine.
4. Push down the green lock lever and take the toner cartridge out of the drum unit.
5. Unpack the new drum unit.

Smears that appear in addition to otherwise well-formed output may signal toner contamination inside your LaserJet, either from a leaky cartridge or from improperly fused sheets that leave toner residue behind. Smears at the edge of the sheet that enters the printer first point to dirty paper guides.

Streaking is usually caused by a worn out drum unit or spent toner cartridge….How can I fix my laser printer’s streaking issue?

1. Remove the cartridge and rock it back and forth a few times over a trashcan to evenly redistribute the toner powder.
2. Reinstall the toner cartridge and run a test print.

When you print something the ink is not waterproof, so artists use a spray a fix (not advised for around small kids, toxic if chewed on) or go buy some aquanet hairspray without oil, hold can some distance away spray lightly qiuickly, when completely dry spray with varnish.

Failing Toner Cartridge Incorrect distribution can lead to smearing, especially if a failing cartridge is leaking or using too much toner. Solve this issue by replacing the cartridge.

This happens when the rollers or the transfer belt inside the printer get dirty or covered in excess toner powder and as the paper is moved through the printer, the ‘tracks’ are being left on the page. This is normally the case when the tracks on the page are located at either end.

A laser printer drum is a metal cylinder with a coating of selenium or other photosensitive material. Inside the printer, a mechanism puts a charge of static electricity on the drum; subsequently, a laser beam scans the drum’s surface, removing the static except where it places text.

Introduction. HP Photosmart printers may print images with white lines or single color streaks. This issue can be caused by ink that has dried in the ink nozzles or by debris that is blocking the ink nozzles. Clean the ink cartridges with the ink cartridge cleaning utility in the HP Printer Toolbox.

HP has determined that 99% of all lines and streaks on copies made by feeding the original documents through the ADF are caused by debris on the ADF glass. Debris can include dust, paper or toner dust, residue from sticky note adhesive, correction fluid or tape, ink, fingerprints, and more.