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Preventive Maintenance
HP Designjet 4000 Printer Series Service Manual
Preventive Maintenance
Moisture on the Printer
Users should use the Printer in an environment between 20% and 80%
relative humidity. To recover from moisture condensation, turn the Printer Off,
and, using the main roller as a reference, wait until the Printer is completely
dry before using it again.
Noisy Carriage Bushing
To prevent noisy movement of the carriage, remove aluminum or dust
particles from the bushing at the back of the carriage, and from the slider
path along which the bushing moves.
Belt Swelling
To prevent new belts from swelling incorrectly, keep them in their bags with
dissicant until you need to install them.
Cleaning the Printer
To maintain the Printer in good operating condition, keep it free of dust
accumulation, ink, and other contamination. Cleaning intervals are
determined by the Printer environment and by the types of Printer supplies
used.
General Cleaning
Proper general cleaning should include the following:
To prevent an electric shock, make sure that the Printer is
switched OFF and unplugged before any cleaning is
performed. Do NOT let any water get inside the Printer.
1 Blow away dust accumulation with compressed air if available.
2 Clean the outer surface of the Printer with a damp sponge or cloth. Use a
mild soap and water solution if necessary. Do not use abrasive cleaners.
3 Wipe the Printer dry with a soft lint-free cloth.
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