Lexmark T640TN Service Manual - Page 7

4061-xx0 23x and 24x jams 3-40 200 and 201 Paper Jam Remove Cartridge 3-41 202 Paper Jam Open Rear Door 3-43 23x Paper Jam Open Duplex Rear Door 3-44 270 and 280 Paper Jams 3-45 27x Paper Jam Check Bin x 3-45 28x Paper Jam Check Finisher 3-46 Clearing staple jams 3-48 Repair information 4-1 Handling ESD-sensitive parts 4-1 Adjustment procedures 4-2 Fuser solenoid adjustment 4-2 Gap adjustment 4-2 Printhead assembly adjustment 4-2 Paper alignment assembly adjustment 4-3 Removal procedures 4-4 Covers removals 4-4 Fuser wiper cover assembly removal 4-4 Redrive cap cover removal 4-5 Paper support removal 4-5 Left door removal 4-6 Redrive door 4-7 Right cover removal 4-8 Upper front cover removal 4-11 Upper front cover latch removal 4-13 Upper front cover outer bezel removal 4-14 Multipurpose feeder/lower front cover assembly removal 4-15 Left cover handle holder removal 4-16 Right cover handle holder removal 4-16 Left and right frame extensions 4-17 Pass thru plate 4-18 Laser cover removal 4-19 Bevel gear removal 4-21 Cartridge duct removal 4-23 Developer drive assembly removal 4-24 Developer drive coupler kit removal 4-25 ESD cover removal 4-25 Fuser assembly removal 4-26 Fuser exit sensor removal 4-28 Fuser exit sensor flag and spring removal 4-30 Fuser lamp removal 4-32 Fuser narrow media sensor removal 4-34 Fuser narrow media flag and spring removal 4-36 Fuser to LVPS AC cable removal 4-38 Fuser top cover removal 4-41 Fuser transfer plate removal 4-43 Gear release link removal 4-44 High voltage power supply removal 4-45 Inner paper deflector assembly removal 4-47 Input sensor removal 4-48 Integrated tray autocompensator assembly removal 4-49 Integrated tray autocompensator pick roll assembly removal 4-51 Interconnect card assembly removal 4-53 Low voltage power supply removal 4-54 Main fan removal 4-56 Main drive assembly removal 4-57 MPF arm assembly removal 4-60 Table of contents vii