space requiremnts, product 529
specifications
electrical and acoustic 530
physical 528
space requirments 529
spots on a flatbed scan (M680),
troubleshooting 483
stacker mode
stapling mailbox 96
standby period 4
staple jams
stapling mailbox accessory
(M680) 463
staple operation
stapling mailbox 90
stapler
stapling mailbox 94
stapling mailbox 85
automatic delivery 99
delivery operation 88
electrical components 86
failure detection 87
jam detection 98
mailbox/job separator mode 97
motor control 87
optional, operations 85
output bin 3 lift operation 95
stacker mode 96
staple operation 90
stapler 94
stapling mailbox accessory (M680)
clear jams 461
clear staple jams 463
status
messages, types of 290
status page 140
status, fax accessory page 512
stepping motors 12
stop printing for test 154
Streaks on document feeder scans
(M680), troubleshooting 476
sub-voltage
low-voltage power supply
circuit 17
switches
DC controller 10
paper feeder 65, 71
pickup, feed, and delivery system
(M651 only) 44
pickup, feed, and delivery system
(M680 only) 44
stapling mailbox 86
T
T.30 Trace report 522
TCP/IP information 201
temperature
control for fuser 20
thresholds for fuser
components 20, 21
tests
color band 202
component tests list and
descriptions 155
disable cartridge check 146
engine 147
manual sensor 150
networks 274
paper path 148
paper-path sensors 148
print/stop 154
scanner (M680) 158
scanner tests 158
tray/bin manual sensor 152
text, troubleshooting 480
thermistors
fuser 19, 20
open detection 21
thermopiles
fuser 20
thermoswitches
fuser 19, 20
thresholds
power-supply frequency, drive
circuit 22
temperature, fuser
components 20, 21
timing chart 185
tips iii
tire tracks, troubleshooting 490
toner
image formation, use during 28
loose, troubleshooting 479
patterns for calibration 41
smeared, troubleshooting 479
toner cartridge
developing unit engagement and
disengagement 35
life detection 35
memory tag 35
presence detection 35
toner level detection 35
toner cartridges 34
components 34
diagnostic test 146
error conditions 34
operations 34
top cover (M680)
clear jams 455
touchscreen blank, white, or dim (no
image) 134
touchscreen control panel 7
touchscreen has an unresponsive
zone 136
touchscreen is slow to respond 135
transfer processes 31
transfer roller
engage
ment and di
sengagement
control 37
transfer unit
operation 37
Tray 1
jams 440
Tray 2 and the 500-sheet trays
jams 442
tray selection - use requested tray
266
trays 51
multipurpose, pickup operation
51
See also cassette
troubleshooting 101, 194
blank pages 498
checklist 102
clean the paper path 196
color 194
configuration page 140
configuration pages for 197
control panel checks 129
demo page 140
direct-connect problems 499
EP parameters 194
event log 140
flowchart 124
jams 432, 433, 468
lights, using 140
network problems 499
pages not printing 498
pages printing slowly 498
ENWW Index 541
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