missing one or more color planes,
troubleshooting 486
missing trailing edge of ADF scans
(M680), troubleshooting 487
model number 200
modem speed 516
modes
sleep 6
motor control
paper feeder 68
stapling mailbox 87
motors
DC controller 12
failure detection 12
paper feeder 65
pickup, feed, and delivery
system 46
stapling mailbox 86
stepping 12
movement of paper through product.
See pickup, feed, and delivery
multiple paper feed prevention 51
multipurpose tray. See trays
N
Network Settings menu, control
panel 268
networks
diagnostics 274
HP embedded Jetdirect
configuration page 200
link speed settings 279
no control panel sound 137
non-volatile memory (NVRAM) 5
notes iii
NVRAM (non-volatile memory) 5
O
operation sequence 4
operations
laser/scanner 23
scanner 77
toner cartridge memory 35
output bin (M651)
clear jams 460
output bin (M680)
clear jams 460
output bin 3 lift operation
stapling mailbox 95
over-current protection 17
over-voltage protection 17
P
pages
blank 498
not printing 498
printing slowly 498
skewed 480
pages count 501
from product copy scan count
505
from product document feeder
505
from product flatbed 505
from product refurbish date 502
reset 501
See also counts
paper
cassette-presence detection 49,
71
default size reset 503
jam detection 74
jams 432, 468
movement sensors 62
presence detection 50
size detection 71
stop in path for testing 154
wrinkled 481
paper detection 55
paper feeder
cassette lift operation 73
electrical components 65
feed operations 52
feed speed control 55
jam detection 74
motor control 68
multifeed prevention 51
optional 1 x 500-sheet 64
optional 2,500-sheet paper
feeder high-capacity input HCI
64
paper detection 55
pickup and feed operation 69
skew feed prevention 54
paper jams
1,500-sheet high-capacity input
tray 447
document feeder (M680) 456
fuser 452
locations (M651) 439
locations (M680) 438
lower-right door 451
output bin (M651) 460
output bin (M680) 460
right door 452
stapling mailbox accessory
(M680) 461
top cover (M680) 455
Tray 1 440
Tray 2 and the 500-sheet trays
442
paper movement
operation 43
paper path
diagnostic test 148
pr
oduct
43
stop movement for testing 154
paper pickup problems
solving 467
paper-path
test, sensors 148
parameters, EP, troubleshooting
194
partial missing color plane (faded
print), troubleshooting 487
password
Service menu PIN 501
PBX systems troubleshooting 518
periods of the operation sequence
4
PGCs (protective-glass cleaners)
laser/scanner 25
phone lines troubleshooting 518
physical specifications 528
pickup, feed, and delivery 59
components 43
multipurpose tray pickup 51
overview 43
paper-feed operations 52
paper-feeder 69
pickup-and-feed unit
operations 48
See also duplexing unit
PJL (printer job language) 7
port configuration information 200
power
consumption 530
power subsystem 125
ENWW Index 539
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