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HP LaserJet 3200 Service Manual - Page 265

U, V, ECU Engine Control Unit 147

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toner fusing process 76 redistributing 155 saving 66 washing off clothing 55 waste, cleaning operations 76 toner cartridges connection points, testing 169 defects, checking for 155 life expectancy 52 operations 74 recycling 26 redistributing 155 refilled 26 removing 87 sealing tape, removing 166 tools, required 87 top cover, removing 95 trace report, printing 188 trailing edge, detecting 79 train motor, gear 124 transfer roller cleaning 53 life expectancy 52 removing 130 testing 171 transfer stage 75 tray kits 222 trays. See input trays troubleshooting control panel 146 copying 147 ECU (Engine Control Unit) 147 feeding problems 162 half self-test functional test 166 image quality 156 LPT ports 148 power 146 printing 148 recalibrating scanner 208 repetitive image defect ruler 207 scanning 148 software installation 148 truss head screws 220 U Universal Serial Bus. See USB unplugging 53, 87 upper guide assembly part numbers 230 removing 108 USB connector 22 operations 65 EN V vacuuming, avoiding 55 variables, NVRAM 183 version,firmware 181 vertical streaks, troubleshooting 158 voids, troubleshooting 159 voltage Engine Control Unit (ECU) 72 overvoltage protection 72 part numbers 219 requirements 17 Volume key 32 W WAIT 82 warranty product 23 waste toner, cleaning operations 76 web sites technical support 217 weight paper 50 product 16 white pages, troubleshooting 160 white streaks, troubleshooting 157 width 16 wiring diagram 210 wrapping jam 79 wrinkled pages, troubleshooting 162 writing stage 75 Chapter - Index 263

Section	Page
Contents	5
Figures	9
Tables	13
Product information	15
Chapter contents	15
Introduction	16
Hardware description	16
Firmware description	17
Product specifications	18
Model and serial numbers	21
Product overview	22
Warranty statement	25
Hewlett-Packard limited warranty statement	25
Declaration of Conformity	27
Toner cartridge information	28
Additional product stewardship	29
Environmental conformity	29
Installation and operation	31
Chapter contents	31
Operating environment	32
Identifying product components	33
Control panel lights and keys	33
Using the control panel menu structure	35
Control panel error messages	37
Selecting media	45
Selecting media to print	45
Selecting media to fax, copy, or scan	46
Loading media	47
Loading media to fax, copy, or scan	47
Loading media to be printed	50
Selecting the output path	52
Maintenance	53
Chapter contents	53
Life expectancies of consumables	54
Cleaning and maintaining the equipment	55
Cleaning the product	56
Cleaning the scanner path	59
Recalibrating the scanner	61
User-replaceable parts	62
Operational overview	63
Chapter contents	63
Basic functions	64
Optical system	65
Formatter system	67
Control panel	68
Draft mode	68
MEt	68
Enhanced I/O	68
Page Protect	69
PJL Overview	69
Printer functions	70
Engine control unit/power system	71
Image formation system	76
Printer paper feed system	79
Basic sequence of operation (formatter-to-printer)	84
Removal and replacement	87
Chapter contents	87
Removal and replacement strategy	89
Required tools	89
Parts removal order	90
Covers	91
DIMMs	91
Back cover	92
Right side cover	93
Left side cover	95
Internal paper guide	96
Top cover	97
Document scanner assemblies	98
Printer door	98
Document scanner assembly	102
Contact image sensor	105
Document scanner pickup roller	107
Document scanner separation pad	108
Document scanner motor	109
Upper guide assembly	110
Control panel/scanner board	114
Internal assemblies	115
Laser/scanner assembly	115
Output roller	116
Delivery assembly	118
Paper exit-sensor flag	120
Fusing element	121
Gear train motor	126
Solenoid	129
Pressure roller	130
Transfer roller	132
Pickup roller	133
Paper-pickup assembly	134
Kick plate	136
Separation pad	137
Bottom assemblies	139
Formatter pan	139
Formatter and LIU	140
ECU pan	141
Paper-feed assembly	143
Troubleshooting	147
Chapter contents	147
Basic troubleshooting	148
Errors	151
Image formation troubleshooting	157
Checking the toner cartridge	157
Solving image-quality problems	158
Solving paper feed problems	164
Functional checks	167
Engine test	167
Half-self-test functional check	168
Drum rotation functional check	169
Heating element check	170
High-voltage power supply check	171
Paper path check	173
Service mode functions	174
Secondary service menu	174
Developer’s menu	175
Diagnostic mode	183
NVRAM init	185
PJL software commands	185
Troubleshooting tools	188
Internal reports	188
Printing all fax reports at once	189
T.30 protocol trace	190
Repetitive image defect ruler	209
Document scanner recalibration	210
Main wiring	212
Locations of connectors	214
Parts and diagrams	217
Chapter contents	217
Ordering parts and supplies	218
Parts	218
Parts exchange program	219
Related documentation and software	219
Consumables	219
Accessories	220
How to use the parts lists and diagrams	221
Common hardware	222
Assembly locations	223
Covers	224
Trays and bins	225
External covers and panels	227
Document scanner assemblies	228
Document scanner assemblies	229
Document feeder	231
Upper guide assembly	233
Internal assemblies	234
Internal components (1 of 4)	235
Internal components (2 of 4)	237
Internal components (3 of 4)	239
Internal components (4 of 4)	241
Feed assembly	243
Electrical components	245
Alphabetical parts list	246
Numerical parts list	251
Index	257
A	257
B	257
C	257
D	258
E	258
F	259
G	259
H	260
I	260
J	260
K	260
L	260
M	261
N	261
O	261
P	261
Q	263
R	263
S	263
T	264
U	265
V	265

Match case Limit results 1 per page

Chapter

- Index

263

toner

fusing process 76

redistributing 155

saving 66

washing off clothing 55

waste, cleaning operations 76

toner cartridges

connection points, testing 169

defects, checking for 155

life expectancy 52

operations 74

recycling 26

redistributing 155

refilled 26

removing 87

sealing tape, removing 166

tools, required 87

top cover, removing 95

trace report, printing 188

trailing edge, detecting 79

train motor, gear 124

transfer roller

cleaning 53

life expectancy 52

removing 130

testing 171

transfer stage 75

tray kits 222

trays.

See

input trays

troubleshooting

control panel 146

copying 147

ECU (Engine Control Unit) 147

feeding problems 162

half self-test functional test 166

image quality 156

LPT ports 148

power 146

printing 148

recalibrating scanner 208

repetitive image defect ruler 207

scanning 148

software installation 148

truss head screws 220

Universal Serial Bus.

See

USB

unplugging 53, 87

upper guide assembly

part numbers 230

removing 108

USB

connector 22

operations 65

vacuuming, avoiding 55

variables, NVRAM 183

version,firmware 181

vertical streaks, troubleshooting 158

voids, troubleshooting 159

voltage

Engine Control Unit (ECU) 72

overvoltage protection 72

part numbers 219

requirements 17

Volume key 32

WAIT 82

warranty

product 23

waste toner, cleaning operations 76

web sites

technical support 217

weight

paper 50

product 16

white pages, troubleshooting 160

white streaks, troubleshooting 157

width 16

wiring diagram 210

wrapping jam 79

wrinkled pages, troubleshooting 162

writing stage 75