3 Operational Maintenance
3-8 AS3690 Operator Manual August 2010
2 Clean the surface of the upper thickness detect roller with isopropyl alcohol.
Rotate the roller as required to ensure that the entire surface is cleaned.
3 The upper roller is held by a roller arm that is hinged on the left side. Lift the
upper roller to provide access to the lower roller (do not attempt to force it beyond
the stop). Remove any deposits from the lower roller by scraping with a fingernail
or nonmetallic implement. The lower roller can be rotated by rotating the crush
roller. Push on the rubber band on the crush roller. Rotate as required to enable
removal of deposits from the entire surface of the lower thickness detect roller.
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