Figure 2-22 Press the diagnostics-access button (small touchscreen) .......................................................................... 115
Figure 2-23 Diagnostic-tests access button (large touchscreen) .................................................................................... 115
Figure 2-24 Press the diagnostics-access button (large touchscreen) ........................................................................... 116
Figure 2-25 Control-panel version A yellow screen ......................................................................................................... 116
Figure 2-26 Open the Pre-boot menu .............................................................................................................................. 119
Figure 2-27 Pre-boot menu .............................................................................................................................................. 120
Figure 2-28 Access the administration menu .................................................................................................................. 121
Figure 2-29 Access the diagnostics menu ........................................................................................................................ 121
Figure 2-30 Open the screen test ..................................................................................................................................... 122
Figure 2-31 Blue vertical gradient screen ........................................................................................................................ 122
Figure 2-32 Open the touch test ...................................................................................................................................... 126
Figure 2-33 Touch the white grid ..................................................................................................................................... 126
Figure 2-34 Verify the mark ............................................................................................................................................. 127
Figure 2-35 Open the softkey test ................................................................................................................................... 128
Figure 2-36 Touch the Home button ................................................................................................................................ 128
Figure 2-37 Successful test .............................................................................................................................................. 129
Figure 2-38 Open the backlight test ................................................................................................................................. 130
Figure 2-39 Open the sound test ...................................................................................................................................... 131
Figure 2-40 Do not open the keyboard test ..................................................................................................................... 132
Figure 2-41 Open the sound test ...................................................................................................................................... 133
Figure 2-42 Touchscreen blank, white, or dim (no image) .............................................................................................. 135
Figure 2-43 Touchscreen has an unresponsive zone ....................................................................................................... 136
Figure 2-44 No control panel sound ................................................................................................................................. 137
Figure 2-45 Home button is unresponsive ....................................................................................................................... 138
Figure 2-46 Hardware integration pocket (HIP) is not functioning (control panel functional) ....................................... 139
Figure 2-47 Engine test button (1 of 2) ............................................................................................................................ 144
Figure 2-48 Engine test button (2 of 2) ............................................................................................................................ 145
Figure 2-49 Defeat the toner cartridge door interlocks .................................................................................................. 146
Figure 2-50 Defeat the right or rear door interlock ......................................................................................................... 146
Figure 2-51 Printer base, image formation system block diagram ................................................................................. 159
Figure 2-52 Printer base, sensors (image formation) block diagram ............................................................................. 160
Figure 2-53 Printer base, sensors (pickup, feed, and delivery) block diagram ............................................................... 161
Figure 2-54 Printer base, motors, solenoids, and clutches block diagram ..................................................................... 162
Figure 2-55 1x550-sheet paper feeder, electrical components block diagram ............................................................. 163
Figure 2-56 1x550-sheet and 3x550-sheet paper decks, electrical components block diagram ................................. 164
Figure 2-57 2,550-sheet paper deck, electrical components block diagram ................................................................. 166
Figure 2-58 Stapler stacker multi bin mailbox (5 bin; SSBM), motors and solenoids block diagram ............................. 167
Figure 2-59 Stapler stacker multi bin mailbox (5 bin; SSBM), sensors and switches block diagram .............................. 168
Figure 2-60 Stapler stacker multi bin mailbox (2 bin; SSBM), motors and solenoids block diagram ............................. 169
Figure 2-61 Stapler stacker multi bin mailbox (2 bin; SSBM), sensors and switches block diagram .............................. 170
Figure 2-62 External plug and port locations (M607, M608, and M609) ........................................................................ 171
ENWW xxi