HP LaserJet Enterprise M552 - Page 538

disable cartridge check 147
engine 143
networks 252
paper path 148
paper path and sensor
diagnostic 148
paper-path sensors 149
print/stop 154
scanner (M577 only) 158
scanner tests 158
tray/bin manual sensor 153
text, troubleshooting 414
thermistors
fuser 23
thermoswitches
fuser 24
timing chart 176
tips iii
toner
image formation, use during 33
loose, troubleshooting 413
smeared, troubleshooting 414
toner cartridge
developing unit engagement and
disengagement 42
life detection 42
memory chip 42
presence detection 42
toner level detection 42
toner cartridges 40
components 40
diagnostic test 147
error conditions 40
operations 40
touchscreen blank, white, or dim (no
image) 134
touchscreen control panel 8
touchscreen has an unresponsive
zone 136
touchscreen is slow to respond 135
transfer processes 37
transfer roller
engagement and disengagement
control 45
transfer unit
operation 45
tray
lift operation 68
Tray 1
jams 454
tray 1 rollers
cleaning 418
Tray 2
jams 456
tray 2-X rollers
cleaning 429
tray selection - use requested tray
244
trays 3-5
cassette lift operation 68
motor control 66
multiple feed prevention 67
paper pickup 67
tray presence detection 67
trays 3-6
jam detection 69
troubleshooting 77, 401
blank pages 472
calibrate the printer 405
check paper and the printing
environment 405
check the paper-type setting for
the print job 403
check toner-cartridge status
403
checklist 79, 107
clean the paper path 184, 404,
417
clean the printer 404
color 401
conguration page 140
conguration pages for 84, 180
control panel checks 113
demo page 140
direct-connect problems 475
EP parameters 401
event log 140
owchart 108
inspect the toner cartridge 404
jams 448, 449
lights, using 140
network problems 475
pages not printing 472
pages printing slowly 472
power 109
print from a dierent software
program 402
process 107
reports and tools 140
skewed pages 415
status page 140
text 414
toner smear 414
USB cables 472
wired network 475
wrinkles 415
See also diagnostics
Troubleshooting menu, control
panel 257
U
understand lights on the formatter
formatter lights 140
understand the lights on the
formatter
heartbeat LED 140
HP Jetdirect LEDs 143
upgrade rmware 488
upgrades, downloading printer
rmware 486
USB Firmware Upgrade menu, control
panel 263
USB ash drive
rmware upgrade, control
panel 491
rmware upgrade, pre-boot
menu 489
USB port
troubleshooting 472
Use Requested Tray 244
V
version, hardware rmware 182
vertical density variation,
troubleshooting 416
vertical streaks or bands,
troubleshooting 411
vertical white lines all colors,
troubleshooting 412
vertical white lines,
troubleshooting 411
W
waiting period 5
warnings iii
warranty date information 478
weight, printer 494
white spots, troubleshooting 410
wrinkles, troubleshooting 415
510 Index ENWW