HP LaserJet 4v/mv Service Manual - Page 61

Cleaning the Printer

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WARNING! Cleaning the Printer To maintain the print quality, thoroughly clean the printer: • Every time you change the toner cartridge. • After printing approximately 7,500 pages. • Whenever print quality problems occur. Clean the outside of the printer with a lightly water-dampened cloth. Clean the inside with only a dry, lint-free cloth. Observe the warnings and cautions below. Before you begin these steps, turn the printer OFF and unplug the power cord to avoid shock hazard. When cleaning around the front door area, avoid touching the fuser. It may be HOT. CAUTION To avoid permanent damage to the toner cartridge, do not use ammonia-based cleaners on or around the printer. Do not touch the transfer roller with your fingers. Contaminants on the roller can cause print quality problems. 4 Maintenance Maintenance 4-3

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Cleaning the Printer
To maintain the print quality, thoroughly clean the printer:
•
Every time you change the toner cartridge.
•
After printing approximately 7,500 pages.
•
Whenever print quality problems occur.
Clean the outside of the printer with a lightly water-dampened cloth.
Clean
the inside with only a dry, lint-free cloth.
Observe the warnings and
cautions below.
WARNING!
Before you begin these steps, turn the printer OFF and unplug the power
cord to avoid shock hazard.
When cleaning around the front door area, avoid touching the fuser.
It may
be HOT.
CAUTION
To avoid permanent damage to the toner cartridge, do not use
ammonia-based cleaners on or around the printer.
Do not touch the transfer roller with your fingers.
Contaminants on the
roller can cause print quality problems.
4
Maintenance
Maintenance
4-3