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HP LaserJet 3200 Service Manual - Page 259

F, G, Engine Control Unit ECU

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ECU (Engine Control Unit) formatter to printer operations 82 image formation process 75 motor 71 operations 69 pan, removing 139 paper feeding operations 77 power system 72 replacing 140 troubleshooting 147 edges not printing 156 electrical components, part numbers 243 electrical shocks, avoiding 53 electrical specifications 17 electrostatic discharge (ESD) 87 eliminator, static charge 75 emissions acoustical 18 energy consumption 17 Engine Control Unit (ECU) formatter to printer operations 82 image formation process 75 motor 71 operations 69 pan, removing 139 paper feeding operations 77 power system 72 replacing 140 troubleshooting 147 engine test switch (SW201) 80, 165 Enhanced I/O 66 Enlarge key 32 Enter/Menu 31 envelopes printing 49 selecting 43 environmental specifications 16, 30 Error light 31 error messages 35 exchange program, parts 217 exit sensor (PS201) 77, 81 exit sensor flag, removing 118 Extended Capabilities Port (ECP) interface 65 F faded print, troubleshooting 157 fans 15 fasteners 220 fax abbreviations 203 appropriate responses 202 phase sequence 201 fax activity report 187 fax data store parameters 173 fax functions menu 34 fax setup menu 34 EN fax trace report 188 Fax/Send key 32 faxing loading media 45 resolution 17 selecting media 44 T.30 protocol trace report 188 features 14 feed assembly drive roller operations 77 removing 141 feed roller, life expectancy 52 feeder tray identifying 21 loading 45 part numbers 229 feeding operations, printer 77 feeding problems, troubleshooting 162 See also jams field replaceable units (FRUs) 87 fine resolution 17 firmware 15 version 181 first-page out 14 flags, exit sensor 118 flat-blade screwdrivers 87 formatter CPU 65 memory 65 operations 65 Page Protect feature 67 pan, removing 137 printer operations 82 removing 138 voltage 72 forms, multipart 43 forward arrow key 31 frequent jams, troubleshooting 163 front paper output slot 50 front paper path door identifying 20 using 50 FRUs (field replaceable units) 87 functional check, half self-test 166 fuser operations 76 fuser roller, testing 171 fuses 72 fusing element life expectancy 52 removing 119 testing 168 G gear train motor, removing 124 glossy paper 44 Chapter - Index 257

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