3. Clean the dust from the rear scan-axis beam, using a vacuum cleaner.
Alternatively, use an absorbent cloth, moistened with deionized water, to wipe off the dust. Ensure that
the dust adheres to the cloth and does not fall into the printer.
4. Use the absorbent cloth, moistened with deionized water, to wipe off any other dirt stuck to the scan-
axis beam.
Finish off after cleaning the rear scan-axis beam
1. Lower the transparent cover and screw it into place.
2. Turn on the printer in the correct way for maintenance operations: see
Turn the printer on on page 120.
Clean the substrate-advance sensor
Risk of burns Crush hazard Risk of trapped
fingers
Hazardous moving
part
Light radiation hazard Electric shock hazard
For more safety information, please see
Safety precautions on page 2
Remember that porous substrates, or substrates with porous liners, are not supported and should not be
used with your printer. However, under normal printing conditions with non-porous substrates, some dirt,
178 Chapter 8 Hardware maintenance ENWW
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