Post-service tests .............................................................................................................. 73 Test 1 (print-quality test) ................................................................................... 73 Test 2 (copy-quality test) ................................................................................... 73 Test 3 (fax-quality test) ...................................................................................... 73 Parts removal order ...........................................................................................................
74 Scanner and ADF components .......................................................................................................... 75 ADF input tray .................................................................................................................... 75 Flatbed lid .......................................................................................................................... 76 Link assemblies and scanner support-frame springs ........................................................ 79 Control-panel bezel ............................................................................................................
81 Control-panel assembly ..................................................................................................... 82 ADF separation pad ........................................................................................................... 83 ADF input-tray flag ............................................................................................................. 84 ADF pickup roller assembly .............................................................................................. 85 ADF scanner glass ............................................................................................................
88 Scanner assembly ............................................................................................................. 90 Product base ...................................................................................................................................... 95 Print cartridge .................................................................................................................... 95 Separation pad (product base) .......................................................................................... 96 Pickup roller (product base) ...............................................................................................
97 Scanner cushions ............................................................................................................ 100 Media input tray ............................................................................................................... 101 Transfer roller .................................................................................................................. 103 Side covers ...................................................................................................................... 104 Print-cartridge door ..........................................................................................................
106 Rear cover and fuser cover ............................................................................................. 107 Front cover ....................................................................................................................... 109 Speaker assembly ........................................................................................................... 111 Formatter and fax card .................................................................................................... 113 Power supply ...................................................................................................................
114 Scanner support-frame .................................................................................................... 118 Laser/scanner assembly .................................................................................................. 121 Main motor ....................................................................................................................... 125 Fuser ................................................................................................................................ 128 Paper-pickup assembly ...................................................................................................
132 Drive-gear assembly and drive belt ................................................................................. 135 6 Problem solve Problem-solving checklist ................................................................................................................. 138 Control-panel messages .................................................................................................................. 140 Alert and warning messages .......................................................................................... 140 Alert and warning message tables ..................................................................
140 Critical error messages .................................................................................................... 147 Critical error message-tables .......................................................................... 147 Clear jams ........................................................................................................................................ 149 Causes of jams ................................................................................................................ 149 Where to look for jams .....................................................................................................
150 Clear jams from the ADF ................................................................................................. 151 Clear jams from the input-tray areas ............................................................................... 153 Clear jams from the output bin ......................................................................................... 155 vi ENWW