Service manual

H
half-self-test functional check 124
hardware features 2
hardware maintenance agreements
12
heating element operations 56
heavy media specifications 24
high-voltage power supply
connector assembly, checking
128
operations 53
testing 127
HP Care Pack 12
HP Customer Care Online 134
HP Jetdirect print servers, ordering
135, 136
HP LaserJet 1010 series printers
differences between 66
features 2
lights, control panel 102
part numbers, exchange 138
parts, locating 4
power-on functions, control
panel 100
reports 101
HP LaserJet 1020 printer
features 3
lights, control panel 106
part number, exchange 138
parts, locating 6
HP Technical Training 134
humidity
specifications 9
I
I/O, Enhanced 48
idle mode, power consumption
10
image density
troubleshooting 113
voltage operations 53
image formation process
operations 54, 55
testing 124
image quality, troubleshooting
about 111
blank pages 111
characters, misprinted 118
curled paper 119, 122
dropouts 113
faded areas 120
gray background 114
lines 114
loose toner 116
repetitive defects 117
repetitive image defect ruler
129
scattered toner 119
skewed pages 118, 122
smears 115
specks 113
water droplets 121
white stripes 120
wrinkled pages 121
input tray
capacity 7
jams, clearing 42, 108
loading media 25
locating on LJ 1010 series 4
locating on LJ 1020 printer 6
media sizes supported 21
multifeeds 122
replacing 40, 73
INTR (Initial Rotation Period) 60
isolated job settings 49
J
jams
clearing 42, 108
detection operations 58
frequent 122
Jetdirect print servers, ordering
135, 136
K
Korean EMI statement 14
L
labels
loading 25
specifications 23
languages, printer 49
laser safety statement 14
laser/scanner assembly
operations 52
part numbers 141, 144, 147
precautions 64
removing 96
LaserJet 1010 series printers
differences between 66
features 2
lights, control panel 102
part numbers, exchange 138
parts, locating 4
power-on functions, control
panel 100
reports 101
LaserJet 1020 printer
features 3
lights, control panel 106
part number, exchange 138
parts, locating 6
latent electrostatic image 55
leading edge
detection operations 58
leading edge detection operations
56
left side cover, removing 77
lenses, operations 55
letterhead
loading 25
specifications 22
life expectancies
extending print cartridge 48
recycling used print cartridges
13
supplies 28
lift plate operations 56
lights, control panel
fatal errors, HP LJ 1010 series
printers 105
HP LaserJet 1010 series
patterns 102
HP LaserJet 1020 patterns
106
locating 19
power-on functions 100
lines, troubleshooting 114, 120
loading media 25
loose toner, troubleshooting 116
LPT ports, troubleshooting 99
LSTR (Last Rotation Period) 60
M
machine screws 137
main input tray
capacity 7
feeding operations 56
feeding problems,
troubleshooting 122
jams, clearing 42, 108
ENWW Index 151