Panasonic UF-5500 Service Manual page 85

Caution:
If you are replacing the Toner and/or Drum Cartridge, it is recom-
mended to clean the Printer Roller to maintain good printing quality.
Used toner cartridge should be disposed of properly according to local regulations.
8.1.5.1. When to replace the toner cartridge and the drum cartridge
When the display shows the following, replace the toner cartridge.
– "TONER LOW"
– "TONER EMPTY"
Note:
• To check the drum life and quality, please print the printer test list (Refer to (ITU-T No.1 Test Chart (P.248)). If printing quality is
still poor or "REPLACE DRUM" appears on the display, replace the toner cartridge and drum cartridge.
• To ensure that the unit operates properly, we recommend the use of Panasonic toner and drum cartridges. (Refer to Optional
Accessories (P.20)).
• To maintain print quality and machine life, we recommend you to clean slots and openings and the inside of the unit when replac-
ing the toner cartridge and/or drum cartridge.
Waste disposal method
Waste material should be disposed of under conditions which meet all national and local environmental regulations.
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UF-5500 / 4500
Watch fingers