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HP LaserJet 3200 Service Manual - Page 261

M, N, O, P, Memory Enhancement technology MEt 66

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LPT ports, troubleshooting 148 LSTR (Last Rotation Period) 82 M magnetic screwdrivers 87 maintenance cleaning 53 consumables, life expectancies 52 recalibrating scanner 59 manual feed 49 margins, minimum 156 media lightweight 46, 164 loading 45 selecting 43, 44 special, loading 46 media jams. See jams media lever, special identifying 21 using 47 memory door, identifying 22 Enhanced I/O 66 formatter 65 removing 89 slots 15 Memory Enhancement technology (MEt) 66 menu developer's 173 secondary service 172 menu structure entering 31 printing 33 using 33 messages, error 35 MEt (Memory Enhancement technology) 66 metal clips, fusing element 120 mirrors 75 misaligned print, troubleshooting 161 model numbers 19 motors gear train, removing 124 scanner, removing 107 testing 171 voltage 72 multifeeds, troubleshooting 163 See also jams multipart forms 43 Multipurpose paper 43 N needle nose pliers 87 negative charge 75 network accessories, ordering 218 newspaper clippings 46 noise 18 EN numbers See also phone numbers model 19 part 244, 249 serial 19 numeric keys 32 numerical list, part numbers 249 NVRAM init 183 NVRAM variables 183 NVRAM, formatter 65 O one-touch keypad 32 one-touch report 187 online support. See web sites operating environment 16, 30 operations Engine Control Unit (ECU) 69 formatter system 65 formatter to printer sequence 82 image formation system 74 optical system 63 paper feed system 77 printer 68 testing 166 optical system, operations 63 ordering accessories 218 consumables 217 documentation 216 parts 216 orientation, landscape 48 output bin, identifying 21 output path, selecting 50 output roller, removing 114 output slot identifying 20 using 50 overcurrent protection 72 overriding switches 171 overvoltage protection 72 P Page Protect 67 pans, removing ECU 139 formatter 137 Chapter - Index 259

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