HP 1200 Service Manual - Page 42

Life expectancies of consumables Inspect consumables when servicing the printer. Replace consumables as needed, based on failure or wear, rather than on usage. The following table lists approximate schedules for replacing consumables. Table 11. Life expectancies of consumables Description Part number Estimated life Remarks (pages) Toner cartridge (user replaceable) C7115A C7115X 2,500 3,500 When print becomes faint, redistribute toner in the cartridge by gently shaking the cartridge from side to side. Printer transfer roller RG9-1483-000CN 25,000 Can affect print quality and/or paper movement. Printer pickup roller RF0-1008-000CN 25,000 Look for glazing and/or cracks. Printer separation pad RF0-1014-000CN 25,000 Can affect paper movement. Printer subpads RA0-1065-000CN 25,000 Can affect paper movement. Fuser assembly (100-127 V) RG9-1493-000CN 25,000 Can affect print quality and paper movement. Fuser assembly (220-240 V) RG9-1494-000CN 25,000 Can affect print quality and paper movement. Copier/scanner separation RY7-5055-000CN pad kit 10,000 Can affect document movement. Copier/scanner R37-5020-000CN 10,000 Can affect document movement. * The estimated toner cartridge life is based on letter- or A4-sized paper with an average of five percent toner coverage and a medium density setting. Toner cartridge life can be extended further by conserving toner using draft mode settings. User-replaceable parts Replace the copier/scanner separation pad, the printer pickup roller, and the printer separation pad when the parts are near the end of their life expectancies or if media frequently misfeeds. 40 Chapter 3 - Maintenance EN