Figure 2-68 General circuit diagram (printer base) (1 of 2) ............................................................................................. 177
Figure 2-69 General circuit diagram (printer base) (2 of 2) ............................................................................................. 178
Figure 2-70 General circuit diagram 1x550-sheet paper feeder ..................................................................................... 179
Figure 2-71 Conī¬guration page ....................................................................................................................................... 181
Figure 2-72 Conī¬guration page ....................................................................................................................................... 182
Figure 2-73 Paper Tray guides ......................................................................................................................................... 275
Figure 2-74 Paper height guides ...................................................................................................................................... 275
Figure 2-75 Paper Tray guides ......................................................................................................................................... 277
Figure 2-76 Paper height guides ...................................................................................................................................... 277
Figure 2-77 Paper Tray guides ......................................................................................................................................... 279
Figure 2-78 Paper height guides ...................................................................................................................................... 279
Figure 2-79 Tray 1 Paper guides ...................................................................................................................................... 283
Figure 2-80 Tray 1 Paper height guides ........................................................................................................................... 283
Figure 2-81 Tray 2 Paper guides ...................................................................................................................................... 284
Figure 2-82 Tray 2 Paper height guides ........................................................................................................................... 284
Figure 2-83 Paper Tray guides ......................................................................................................................................... 287
Figure 2-84 Paper height guides ...................................................................................................................................... 287
Figure 2-85 500 Sheet paper tray door ............................................................................................................................ 364
Figure 2-86 Sample event log .......................................................................................................................................... 389
Figure 2-87 Examples of repetitive defects ..................................................................................................................... 394
Figure 2-88 Place the ruler on the page ........................................................................................................................... 395
Figure 2-89 Locate the next repetitive defect ................................................................................................................. 395
Figure 2-90 Determine the defective assembly ............................................................................................................... 396
Figure 2-91 Print-quality troubleshooting procedure ..................................................................................................... 398
Figure 2-92 Yellow print-quality troubleshooting page .................................................................................................. 398
Figure 2-93 Yellow comparison page ............................................................................................................................... 399
Figure 2-94 Black print-quality troubleshooting page .................................................................................................... 400
Figure 2-95 Open Tray 1 ................................................................................................................................................... 418
Figure 2-96 Open the roller cover .................................................................................................................................... 418
Figure 2-97 Remove the cover ......................................................................................................................................... 419
Figure 2-98 Release two tabs ........................................................................................................................................... 419
Figure 2-99 Remove the roller ......................................................................................................................................... 420
Figure 2-100 Release the tray retainers .......................................................................................................................... 420
Figure 2-101 Raise Tray 1 up ............................................................................................................................................ 421
Figure 2-102 Open the roller cover .................................................................................................................................. 421
Figure 2-103 Release one tab .......................................................................................................................................... 422
Figure 2-104 Remove the roller ....................................................................................................................................... 422
Figure 2-105 Clean the rollers .......................................................................................................................................... 423
Figure 2-106 Locate the keyed end of the roller and the holder ..................................................................................... 423
Figure 2-107 Install the roller .......................................................................................................................................... 424
Figure 2-108 Rotate the end of the roller into the holder ............................................................................................... 424
xxiv ENWW