Apple 12/640PS Regular maintenance, Precautions during maintenance, Replacing the toner cartridge

Precautions during maintenance

To prevent damage to the printer while performing maintenance, observe the following precautions.

mDon’t lubricate the printer.

mDon’t attempt to disassemble the printer.

mDon’t place anything on top of the printer.

Regular maintenance

The toner cartridge holds the toner powder that forms the printed images. Each cartridge should yield about 6,000 pages. If you print many graphic images, you may need to change cartridges more often. If your pages start to look too light, or if you see vertical white regions in dark images, it may be time to change the cartridge.

For ordering information, see Appendix D.

Replacing the toner cartridge

Whenever you install a new toner cartridge, you should also clean the interior of the printer. Follow these steps to replace the cartridge and clean the interior of the printer.

WARNING Use only cartridges designed for use with your LaserWriter 12/640 PS Printer. Other cartridges may not fit and may damage the printer

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