Step 4: Transfer ................................................................................................ 54 Step 5: Separation ............................................................................................ 54 Step 6: Fusing ................................................................................................... 54 Step 7: Drum cleaning ....................................................................................... 55 Internal components ...........................................................................................................................
56 Timing ................................................................................................................................................. 58 Print cartridge memory system ........................................................................................................... 61 5 Removal and replacement Chapter contents ................................................................................................................................ 63 Overview ............................................................................................................................................
65 Removal and replacement strategy .................................................................................. 65 Electrostatic discharge ....................................................................................................... 65 Required tools .................................................................................................................... 65 Types of screws ................................................................................................................. 66 Service approach ...............................................................................................................................
67 Before performing service .................................................................................................. 67 Pre-service procedures ..................................................................................... 67 Parts removal order ........................................................................................... 68 After performing service ..................................................................................................... 68 Covers ................................................................................................................................................
69 Right-side cover ................................................................................................................. 69 Left-side cover ................................................................................................................... 70 Back cover ......................................................................................................................... 72 I/O cover ............................................................................................................................ 72 Top, right cover ..................................................................................................................
73 Top cover ........................................................................................................................... 74 Front, right cover ................................................................................................................ 75 Control panel ...................................................................................................................................... 78 Formatter ............................................................................................................................................
80 Fuser .................................................................................................................................................. 83 Laser/scanner ..................................................................................................................................... 86 Engine control unit (ECU) ................................................................................................................... 88 Access plate .......................................................................................................................................
96 High-voltage power supply ................................................................................................................. 97 Paper feed guide assembly .............................................................................................................. 104 Main motor ....................................................................................................................................... 106 Gear assembly .................................................................................................................................
108 Reinstallation notes for the gear assembly ...................................................................................... 110 Tray 1 solenoid ................................................................................................................................. 111 Tray 2 solenoid ................................................................................................................................. 112 E-label reader (memory tag) ............................................................................................................
113 Face-down-roller shaft ...................................................................................................................... 115 Cartridge door .................................................................................................................................. 117 Transfer roller ................................................................................................................................... 120 Registration assembly ......................................................................................................................
121 Tray 1 pickup roller ........................................................................................................................... 124 Tray 2 pickup roller ........................................................................................................................... 125 Separation pad ................................................................................................................................. 127 ENWW v