51DX-600/800APR 2002Edition 1.03.3. Periodic Maintenance Check ListThe chart outlined below is a general guideline for maintenance. The example list is for an average usageof 50 transmitted and received documents per day. Needless to say, the environmental conditions andactual use will vary these factors. The chart below is for reference only.NoteThe number of pages is based on the ITU-T Image No. 1 Test Chart using Multi-Copy mode.Operation environment 68°F (20°C), 50% RH, using A4 paper.Mechanical Parts Ref.No.Cleaning Replacement/AdjustmentCycle Procedure Cycle ProcedureReceiverUnitPrinter Motor 626 - - 100,000 documents Refer toCh 2.2.12.Toner Cartridge - - approx 7,500 pages(See Note)-Paper Feed Roller 518 12 months or 10,000documentsRefer toCh 2.2.11.30,000 documents Refer toCh 2.2.11.Feed Roller 52690412 months or 10,000documentsRefer toCh 2.2.17.- Refer toCh 2.2.17.Bias Transfer Roller 604 12 months or 10,000documentsRefer toCh 2.2.19.30,000 documents Refer toCh 2.2.19.Fuser Unit 701 When replacing PrintCartridgeCleaningchart50,000 documents Refer toCh 2.2.14.Fuser Roller 709 When the RecordingPaper wraps itselfaround the roller.Refer toCh 2.2.15.(Included as part ofthe Fuser Unit)Refer toCh 2.2.15.Pressure Roller 706 When the RecordingPaper wraps itselfaround the roller.Refer toCh 2.2.15.(Included as part ofthe Fuser Unit)Refer toCh 2.2.15.TransmitterUnitRoller Shaft 2 235 30,000 documents Refer toCh 2.2.3.- -Feed Pinch Roller* Shaft Hole236 30,000 documents Refer toCh 2.2.3.- -ADF Roller 331 12 months or 10,000documentsRefer toCh 2.2.4.30,000 documents Refer toCh 2.2.8.Separation Rubber 207 12 months or 10,000documentsRefer toCh 2.2.2.30,000 documents Refer toCh 2.2.2.Feed Roller 302 12 months or 10,000documentsRefer toCh 2.2.4.30,000 documents Refer toCh 2.2.9.Eject Roller 303 12 months or 10,000documentsRefer toCh 2.2.4.30,000 documents Refer toCh 2.2.6.Scanning Glass 308 12 months or 10,000documentsRefer toCh 2.2.4.- -Mirrors 33433533612 months or 10,000documentsRefer toCh 2.2.8.- -Transmit Motor 324 - - 100,000 documents Refer toCh 2.2.7."x" Stamp Head 325 - - 5,000 documents Refer toCh 2.2.5.
