5.1.4 Printhead Cleaning
Perform if printwires stick when printing begins or print quality becomes intermittent. Be sure to check the ribbon first! The
1.Open the cabinet and remove the ribbon cartridge.
2.Remove the printhead attachment screw.
3.Disconnect the printhead from the printhead flex cables.
4.Clean the tip of the printhead nose where the printwires extend from the printhead with an alcohol wetted napkin. Remove all ink and bits of ribbon fabric lint.
5.Use the blunt end of a printhead cleaning brush to remove the bulk of the grease packed around the printwires. Then wet the brush end with alcohol to remove the rest of the grease from the printwires. Wipe the grease, ink and ribbon fabric “lint” from the brush onto the napkin provided. Remove all residual alcohol
6.Reconnect the printhead to the flex cables and remount the printhead. Insure that the flex cables don’t touch the carriage belt drive pulley or idler pulley bracket when the carriage approaches the left and right box flanges.
7.Reinstall the ribbon cartridge. Perform a test print.
Printhead attachment screw
DP8/9 carriage top view
5.1.5 Document Print Area Cleaning
Accumulated paper dust should occasionally be removed from the platen, printhead, carriage shaft, feed rollers, document sensors and other document path areas with brush, vacuum or compressed air.
5.1.6 Cabinet Exterior Cleaning
The cabinet can be cleaned with a damp cloth and a mild, liquid soap or detergent. Do not use
harsh, abrasive cleaners.
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