Service manual

power-on functions 100
troubleshooting 98
controller PCA 50
country of origin, identifying 7
covers, removing
front 82
left side 77
rear 77
right side 75
CPU, formatter 47
crooked pages, troubleshooting
118, 122
curl, troubleshooting 119, 122
Customer Care Online 134
cut-off edges 112
D
data communication operations
47, 49
dc bias 55
dc controller PCA 50
dc power distribution 53
delay jams 58
delivery sensor, paper (PS803)
feeding operations 56
jam detection operations 58
delivery tray assembly, part number
141, 143, 147
delivery tray extension, replacing
41, 74
delivery-delay jams 58
delivery-stationary jams 58
demo page 101
density
operations 53
troubleshooting 113
developing roller 53
developing stage, image formation
process 55
dimensions, printer 9
dimensions, product 18
documentation
ordering 134
part numbers 142, 145, 147
door link clip (stopper), part
numbers 141, 143, 147
dots, troubleshooting 113, 119
dpi, specifications 7
draft mode 48
DRAM, formatter 47
drivers, ordering 134
dropouts, troubleshooting 113,
118
drum
inspecting 111
operations 55, 56
rotation functional check 126
drum cleaning stage, image
formation process 56
dust cover, part numbers 141,
143, 146
duty cycle 7
dynamic random access memory
(DRAM), formatter 47
E
EconoMode 48
ECU
jam detection operations 58
laser/scanner operations 52
operations 50
paper feeding operations 56
part numbers 141, 143, 147
removing 92
sequence of operations 60
edges, not printing 112
electrical specifications 10
electrophotographic processes
operations 54, 55
testing 124
electrostatic discharge (ESD),
precautions for 64
element, heating 56
engine control unit. See ECU
engine power assembly
part number 141, 143, 147
power system 53
engine power assembly, removing
87
Enhanced I/O 48
envelopes
loading 25
specifications 23
environmental specifications 9,
18
errors, control panel lights
HP LaserJet 1010 series printers
102
HP LaserJet 1020 printer 106
ESD (electrostatic discharge),
precautions for 64
exchange, printer 138
exit rollers, fuser assembly 56
extended warranty 12
F
faded areas, troubleshooting 120
fasteners, types of 137
fatal errors, HP LJ 1010 series
printers 105
features
firmware 8
hardware 2
feed assembly drive rollers 56
feed system, paper 56
feeding problems, troubleshooting
122
field replaceable units (FRUs)
137
Finland, laser safety statement for
15
firmware features 8
fixing assembly. See fuser
assembly
flowchart, troubleshooting 98
focusing lenses, operations 55
formatter
fatal errors 105
operations 47
sequence of operations 60
front cover, removing 82
fuser assembly
exit rollers 56
fatal errors 105
life expectancy 28
operations 56
part numbers 141, 143, 147
removing 89
temperature, adjusting 116
fuser cover, removing 77
fuses, overcurrent protection (F101,
F102) 53
fusing stage, image formation
process 56
G
Go light and button 19, 100
gray background, troubleshooting
114
150 Index ENWW