58 Microline 490/491 User’s GuideCleaning the HousingYou should clean the printer housing every six months (or afterabout 300 hours of operation).CAUTION!Never use strong solvents or strong detergents on thecabinet—they could damage the housing.1 Turn off the printer.2 Use the platen knob to back the paper out of the printer.CAUTION!Make sure the printer is turned off before you open the accesscover.3 Open the access cover (1) and remove the pull-up rollerassembly (2).4 Use a clean, dry cloth to dust around the carriage shaft andplaten. Remove any loose bits of paper.5 Reinstall the pull-up roller assembly and close the accesscover.
