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HP DraftMaster Plotters - Preventive Maintenance

Issue:
Preventive maintenance steps to maintain the best operating condition of an HP DraftMaster plotter.
Solution
To maintain the plotter in the best operating condition, keep the plotter free of dust accumulation, ink, and other contamination.
General cleaning
Perform periodic and thorough cleaning of the plotter. The type of operations, local air contamination, and climatic conditions determine the cleaning intervals. Proper procedure should include the following:
  note:
The plotter should be unplugged and turned off before performing the following steps.
  1. Blow away dust accumulation with compressed air, if available.
  2. Clean the outer surface of the plotter with a damp sponge or cloth. Use a mild soap and water solution if necessary. Wipe the plotter dry after cleaning.
  3. Using a damp sponge or cloth, wipe accumulated paper dust from the rubber pinch wheels. Do not use the grit wheel brush to clean the pinch wheels.
Grit wheel cleaning
Cleaning the micro-grip drive grit wheel is limited to the removal of the dust from between the particles of grit. To remove the dust, perform the following procedure:
  1. Turn off the plotter and disconnect the power cord.
  2. Raise the carriage cover to gain access to the grit wheel.
      note:
    To avoid damaging the grit on the grit wheel, use only the brush that is supplied with the plotter.
  3. Manually rotate the grit wheel while brushing dust from the grit surface using the brush supplied with the plotter.
Cleaning intervals are determined by the local condition under which the plotter is operated and by the types of plotter supplies used.
Although accumulations of dust or ink on the outside of the plotter will probably not degrade the performance, dust or lint on the grit wheels will affect plotter operation. A build-up of lint or paper fibers on the grit wheels will allow the media to slip and degrade the accuracy of the plot.
As with any precision electronics equipment, proper maintenance will help to prolong the product life.

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