Apple ColorLaserWriter 12/600PS - Manual (Page 261)

Spots or blotches appear on printed pages.
Try these steps:
m Try printing on a high-quality paper to see if that helps.
m Make sure you’re printing the image on the correct side of the paper.
m Replace the toner cartridge containing the relevant color.
m Clean the inside of the printer to remove paper dust and toner particles.
(See “Cleaning the Paper Pickup Rollers” in Chapter 10 for instructions.)
m Replace the photoconductor cartridge.
Vertical lines (black or blank) appear on consecutive pages.
Try these steps:
m Replace the toner cartridge containing the relevant color.
m Replace the photoconductor cartridge.
m Clean the rollers inside the printer. (For instructions, see Chapter 10.)
Spots, blotches, or blank areas appear on consecutive pages.
Try these steps:
m Try printing on a high-quality paper to see if that helps.
m Replace the toner cartridge containing the relevant color.
m Replace the photoconductor cartridge.
m Clean the separation discharger wire. (For instructions, see Chapter 10.)
Blank areas appear in an area that should be printed.
Try these steps:
m Replace the toner cartridge containing the relevant color.
m Try printing on a high-quality paper to see if that helps.
m Make sure you’re printing the image on the correct side of the paper.
m Replace the photoconductor cartridge.
238 Chapter 12