Cleaning the Printer

To maintain the Printer in good operating condition￿ keep it free of dust accumulation￿ ink￿ and other contamination￿ Cleaning intervals are determined by the Printer environment and by the types of Printer supplies used￿

W A R N I N G

Disconnect the Printer from the power source prior

 

to performing any cleaning. DO NOT allow liquid to

 

run on to electrical components or circuits, or

 

through openings in the enclosure, as this can

 

create a shock hazard leading to death or injury.

General Cleaning

Proper general cleaning should include the following:

1Blow away dust accumulation with compressed air if available￿

2Clean the outer surface of the Printer with a damp sponge or cloth￿ Use a mild soap and water solution if necessary￿ Do not use abrasive cleaners￿

3Wipe the Printer dry with a soft lint.free cloth￿

Cleaning the Drive Roller

Due to the ink￿s reflectance￿ ink spilled on the roller can disrupt the Printer￿s edge.sensing function￿ To remove any ink from the roller￿ perform the following procedure:

1Connect the Printer to the ac power source￿

2Switch the Printer ON￿ and wait for it to finish initialization￿

3Open the top cover￿

4Keep the cover switch pressed while pressing Form Feed repeatedly until the stained area of the drive roller is positioned at the top where it can be cleaned￿

5Turn the Printer OFF￿ and disconnect it from the ac power source￿

6Apply IPA ￿alcohol￿ to a soft￿ lint.free rag￿

7Use the rag to clean the roller surface￿

8Allow the drive roller to dry￿

9If other areas of the roller have been stained by ink￿ repeat the above steps￿

10 Reconnect the Printer to the ac source￿ turn the Printer on￿ and load paper to test that no ink reflections disrupt operation of media loading￿

9-4

HP DesignJet 430, 450C and 455CA Printers

Preventive Maintenance