Lexmark C950 Service Manual - Page 875

5058-030 6. Preventive maintenance Previous This chapter describes procedures for printer preventive maintenance. Follow these recommendations to help prevent problems and maintain optimum performance. Next Inspection guide The purpose of this inspection guide is to aid you in identifying the intervals, based on page count, at which parts must be inspected (for visible physical damage), cleaned, or replaced. As you service the machine, check the following: • Damaged, missing, or altered parts, especially in the area of the On/Off switch and the power supply • Damaged, missing, or altered covers, especially in the area of the top cover and the power supply cover • Possible safety exposure from any non-Lexmark attachments Go Back Lexmark C950 EVERY SERVICE CALL EVERY 160K EVERY 320K EVERY 480K NOTES MEDIA TRAY-ALL Media side guides Media end guide Separation pad Tray lift gear assembly MEDIA FEEDERS-ALL Feed roller Pick roller Separation roll MPF feed rollers Media transport roll assembly Sensor (registration) Sensor (tray 1 feed-out) Sensor (tray 2 feed-out) Sensor (tray 3 feed-out) Sensor (tray 4 feed-out) PRINTHEAD Printhead slit glass (4) Inspect Inspect Inspect Inspect Inspect Inspect Inspect Clean Inspect Inspect Clean Inspect Inspect Inspect Clean Inspect Inspect Inspect Clean Inspect Check for correct positioning Check for correct positioning Damp cloth Replace Replace Replace Inspect Clean Clean Clean Clean Clean Clean Replace Replace Replace Inspect Clean Clean Clean Clean Clean Clean Replace Replace Replace Clean Clean Clean Clean Clean Clean Clean Verify page count before replacing Verify page count before replacing Verify page count before replacing Water or alcohol Water or alcohol Brush or blower brush Brush or blower brush Brush or blower brush Brush or blower brush Brush or blower brush Clean Clean Clean Printhead cleaning tool Preventive maintenance 6-1