ADF motors, solenoid, and sensors ................................................................ 204 5 Removal and replacement Service approach ............................................................................................................................. 208 Removal and replacement strategy .................................................................................................. 209 Required tools .................................................................................................................. 209 Before performing service ................................................................................................
209 After completing service .................................................................................................. 210 Screws that are used in the MFP ..................................................................................... 210 User-replaceable parts ..................................................................................................................... 211 Print cartridge .................................................................................................................. 211 Control-panel overlays .....................................................................................................
212 Control panel ................................................................................................................... 212 Transfer roller .................................................................................................................. 213 ADF input tray .................................................................................................................. 214 ADF pickup and feed rollers ............................................................................................ 215 ADF separation pad .........................................................................................................
216 ADF delivery guide (clear mylar sheet) ............................................................................ 218 Output-bin assembly ........................................................................................................ 220 Duplex-printing unit .......................................................................................................... 221 Fuser-entrance guide ....................................................................................................... 222 Fuser ................................................................................................................................
222 Tray 2, 3, 4, or 5 pickup and feed rollers ......................................................................... 223 Tray 1 pickup roller .......................................................................................................... 224 Scanner filter cover and scanner filter ............................................................................. 225 ADF-hinge flap ................................................................................................................. 226 Formatter cover and formatter .........................................................................................
227 Hard drive ........................................................................................................................ 229 DIMM ............................................................................................................................... 230 Fax accessory .................................................................................................................. 231 Covers, doors, and external panels .................................................................................................. 233 Top-cover flatbed flange ..................................................................................................
233 Front cover ....................................................................................................................... 234 Back cover ....................................................................................................................... 238 Internal assemblies .......................................................................................................................... 240 Reversing-separation-guide assembly ........................................................................... 240 Reversing assembly ........................................................................................................
241 Main fan (FN101) and reversing-unit fan (FN103) ........................................................... 245 Thermistor (TH3) ............................................................................................................. 250 Tray 2 jam-access-cover switch (SW105) ....................................................................... 252 Tray 1 assembly .............................................................................................................. 254 Front-cover support .........................................................................................................
256 Tray 1 feed-assembly ...................................................................................................... 257 x ENWW