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tray 1 driver PCB 102
tray 4 105
creases, troubleshooting 267
critical error messages 210
See also messages
CSSO (Customer Services and Support Organization) 24
curl
grain test 37
troubleshooting 267, 274
current capacity, specifications 19
custom media
detectable size message 214
jams, troubleshooting 254
tray specifications 41
Customer Services and Support Organization (CSSO) 24
customer support 25
cut edge condition field test, media 38
cutouts, avoiding media with 34
D
dark pages, troubleshooting 266, 270
data communication operations 90
Data light, locating 46
DC controller
cartridge memory failures, detection 95
diagrams and part numbers 308
formatter operations 90
media-size detection 96
operations 85
removing 151
tray 1 feeding operations 102
troubleshooting 206
voltage 89
DC voltage, conversion 89
declaration of conformity 23
default settings
list of 51
restoring 62, 243, 244
selecting 46, 48
defect ruler 273
defect tables 265
delay jams
tray 1 103
tray 2 or 3 97
tray 4 105
delivery assembly
diagrams and part numbers 306
fans, removing 131, 132
removing 130
delivery motor, removing 133
density, toner
operations 91
settings 62
depth, printer
space requirements 29
specifications 19
developing bias generation 88
developing cylinder, operations 93
developing process, image formation operations 93
diagnostics menu 62
See also tests
different media for first page, troubleshooting 204
dimensions. See sizes
DIMMs
See also memory
error messages 233
installed personalities and options 258
part numbers 281
DIP switches, tray 4 247
C8519-90912
directory, file
printing 60
using 262
disk accessories. See hard disks
display, control panel 207
See also control panel
distorted images, troubleshooting 268
diverter, left door 124, 286
documentation, part numbers 281
door open jams 97
DOOR OPEN sequence of operations 82
doors, removing
left 124, 286
right 122
stapler/stacker and stacker 177
DOS prompt, communications test 276
dots per inch (dpi)
factory default 53
features 16
settings 62
dots, vertical 272
double-sided printing. See duplexing
Down arrow, control panel 46
downloading drivers 25
dpi (dots per inch)
factory default 53
features 16
settings 62
drive assembly (tray 4), removing 165
drive motor (tray 4), removing 165
drivers
changing settings from 51
Web sites 25
dropouts, troubleshooting 268
drum
bias generation 88
cleaning process, image formation operations 94
feed drive assembly, diagrams and part numbers 298
ground path, troubleshooting 269
image defects, troubleshooting 264
image formation operations 93
rotation check 244
drum motor (DCM2)
block diagram 101
removing 154
duplexer
bad connection error message 212
communications 86, 258
failure, error messages 236
jams, error messages 224, 228
locating 22
media supported 43
models including 18
part number 281
power error messages 214
removing 146
duplexing, troubleshooting 274
duty cycle 17
dynamic I/O switching 91
E
EconoMode
settings 62
using 76, 91
edge-to-edge printing
factory defaults 52
tray settings 61
EEPROM operations 86
EIO cards
Index 345

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Troubleshooting

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