The image formation process .......................................................................................... 136 Print cartridge .................................................................................................................. 137 Print cartridge design ...................................................................................... 138 No-shake toner ................................................................................................ 138 Cartridge memory ...........................................................................................
138 Toner seal ....................................................................................................... 138 Toner level detection ....................................................................................... 139 Pickup and feed system ................................................................................................................... 140 Media-size detection ........................................................................................................ 140 Media-level detection .......................................................................................................
140 Multifeed prevention ........................................................................................................ 140 Transparency media detection ........................................................................................ 140 Fuser-wrapping jam detection ......................................................................................... 140 Jam detection .................................................................................................................. 141 Tray 1 ...............................................................................................................................................
146 Tray 1 driver PCA ............................................................................................................ 146 Tray 1 power supply ........................................................................................................ 146 Tray 1 sequence of operation .......................................................................................... 146 Tray 1 pickup and feed .................................................................................................... 147 Tray 1 jam detection ........................................................................................................
147 Tray 4 ............................................................................................................................................... 148 Tray 4 driver PCA ............................................................................................................ 148 Tray 4 power supply ........................................................................................................ 148 Tray 4 sequence of operation .......................................................................................... 148 Tray 4 pickup and feed ....................................................................................................
149 Tray 4 media level and media size detection ................................................................... 149 Tray 4 jam detection ........................................................................................................ 149 6 Removal and replacement Removal and replacement strategy .................................................................................................. 152 Repair notices ..................................................................................................................................
152 Electrostatic discharge ..................................................................................................................... 153 Required tools .................................................................................................................................. 153 Product orientation ........................................................................................................................... 154 Front and right side orientation ........................................................................................ 154 Back and left side orientation ...........................................................................................
155 Scanner assembly covers ................................................................................................................ 156 Control panel ................................................................................................................... 156 Reinstall the control panel ............................................................................... 157 ADF feeder cover ............................................................................................ 157 Reinstall the ADF feeder cover .......................................................................
158 ADF feeder cover handle ................................................................................................. 159 ADF back cover ............................................................................................................... 159 ENWW vii