EN 189
troubleshooting
beam errors 124
connectors 122
control panel 116
curled pages 130, 137
drum 126
engine errors 124
errors 120, 121
flags, sensor 122
flowchart 116
formatter errors 125
fuser errors 123
image defects 126, 127
incompatible memory cards 121
memory errors 121
motor 116
paper 137
paper curl 130, 137
paper jams 121
paper out errors 121
paper path 138
persistent errors 122
power 116
processor errors 125
repetitive defects 128, 139
ROM/RAM errors 123
scanner errors 125
self test 44, 117
sensors 122
service errors 123
SleepMode 122
status messages 121
toner cartridges 126
unclearable errors 122
trus head screws 146
typefaces. See fonts
U
unclearable errors, troubleshooting 122
uninterruptible power supplies (UPS) 32, 123
unplugging before servicing 70
upgrading memory 145
User’s Guides, ordering 22
V
vacuuming toner 52
VCCI statement 180
ventilation requirements 32
vertical lines, troubleshooting
black 127
white 127, 128
VIDEO signals 58
voids, character 128
voltage
AC power distribution 56
conversions, not supported 29
DC power distribution 57
electrical specifications 18
heating element, disconnecting 85
overvoltage protection 57
part numbers 144
W
WAIT 66
waking printer 40
warranty
post-warrant assistance 24
product 28
refilled toner cartridges 50
toner cartridges 29
waste toner, cleaning 62
watts, specifications 18
websites
product information 23
weight
printer 33
toner cartridge 33, 126
white areas, troubleshooting 128
white lines, troubleshooting
horizontal 132
vertical 127, 128
white pages, troubleshooting 130
width, printer 33
wiring
control panel 78
HP LaserJet 6L Pro 112
main diagram 140
worldwide
customer care options 24
wrinkled pages, troubleshooting 130
writing stage 62
Service.book Page 189 Thursday, September 14, 2000 11:15 AM