HP Color LaserJet Enterprise MFP M680 series - Page 560

intermediate transfer belt (ITB)
37
paper feeder 65
pickup, feed, and delivery 43
stapling mailbox 86
toner cartridge 34
configuration page 140
configuration pages
information 202
printing 197
connectivity LED 143
connectors
DC controller PCA 169
control panel 7
Administration menu 205
Backup/Restore menu 284
Calibrate/Cleaning menu
(M651) 288
Calibrate/Cleaning menu
(M680) 285
Copy Settings menu (M680
only) 222
Display Settings menu 258
Fax Settings menu (M680) 240
General Settings menu 208
Manage Supplies menu 260
Manage Trays menu 266
messages, types of 290
Network Settings menu 268
Print Options menu 256
Print Settings menu 253
Reports menu 205
Scan/Digital Send Settings menu
(M680) 229
Service menu 289
Troubleshooting menu 280
USB Firmware Upgrade menu
289
control panel diagnostic flowcharts
133
control-panel menus 205
conventions, document iii
cooling
areas and fans 13
copy
improve quality 492
Copy Settings menu (M680 only),
control panel 222
copying
quality, troubleshooting 473
counts 501
copy scan 505
document feeder 505
document feeder duplex 505
document feeder simplex 505
flatbed cycle 505
page, reset 501
refurbish cycle 502
reset after replacing formatter
501
send scan 505
See also pages counts
CPU 6
creases, troubleshooting 481
crooked pages
troubleshooting 480
current settings pages 105
current-detection protection circuit
21
D
dark print, troubleshooting 474
date
codes for firmware 202
manufacture 200
product first used 503
DC controller
clutches 10
components 9
fans 13
motors 12
PCA, connectors 169
sensors 11
solenoids 10
switches 10
temperature controls 20
voltage detection 18
DC controller PCA 169
DC motors 12
DC voltages converted from AC 16
defeating
interlocks 145
defects, repeating 203
delivery operation
stapling mailbox 88
demo page 140
density control 42
determine problem source 124
determine the installed revision of
firmware 523
development process 30
DHALF 42
diagnostics 194
component 155
engine 145
LED 140
networks 274
page, printing 194
See also tests; troubleshooting
diagrams
block diagrams 160
cross sections 165
cross sections 1x500-sheet
feeders 166
cross sections HCI 167
cross sections mailbox 168
cross sections product base 165
sensors and switches (M651)
160
sensors and switches (M680)
16
1
sensors and s
witches 1x500-
sheet feeders 162
sensors and switches HCI 163
sensors and switches mailbox
164
Display Settings menu, control
panel 258
DMAX 42
document conventions iii
document feed system 77
document feeder (M680)
jams 456
document feeder (M880)
paper-feeding problems 468
document feeder count
document feeder pages 505
document feeder interval 505
document feeder paper path 79
document feeder rollers (M880)
cleaning 494
drive circuit
power-supply frequency range
22
dropouts, troubleshooting 478
drum cleaning 33
duplex
operation 61
paper path 59
reverse feed control 60
536 Index ENWW