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HP 2100 Service Manual - Page 242

Toner Cartridge Guide Removal

UPC - 873662008284

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Toner Cartridge Guide Removal 1 Remove the following assemblies: • Remove the toner cartridge. (See "Toner Cartridge Removal" (page 156) for instructions. • Remove Tray 2. (See "Tray 2 Removal" (page 157) for instructions.) • Remove the DIMM cover. (See "DIMM Cover Removal" (page 172) for instructions.) • Remove the rear cover. (See "Rear Cover Removal" (page 177) for instructions.) • Remove the top cover. (See "Top Cover Removal" (page 189) for instructions.) • Remove the left cover. (See "Left Cover Removal" (page 229) for instructions.) 2 Press and hold the tab shown in figure 7-108. Figure 7-108Releasing the Toner Cartridge Guide 232 7 Removal and Replacement C4170-90959

Section	Page
Conventions	3
Chapter Descriptions	4
Table of Contents	6
1 Product Information	11
Contents	11
Printer Description and Features	12
Identification	14
Specifications	15
Product Overview	16
External Assembly Locations	16
Internal Assembly Locations	18
Safety Information	19
Laser Safety	19
Laser Statement for Finland	19
LED Safety	20
Declaration of Conformity	21
Toner Safety	22
Ozone Emission	22
Environmental Product Stewardship Program	23
Protecting the Environment	23
FCC Regulations	25
Service Approach	26
Bench Repair Warranty	26
HP Express Exchange	26
Ordering Parts	26
Ordering Consumables	27
Ordering Related Documentation	27
Technical Assistance	28
HP ASAP	28
HP FIRST	28
HP AUDIO-TIPS	29
HP Support	29
Customer Support Worldwide	30
Worldwide Sales and Service Offices	31
2 Operating Requirements	35
Contents	35
Site Requirements	36
Operating Environment	36
Printer Space Requirements	37
Media Specifications	38
General Media Specifications	38
Guidelines for Selecting Paper	39
Media Input Options	40
Tray 1 Media Sizes	41
Tray 2 and Optional Tray 3 Paper Sizes	42
Envelope Specifications	42
Label Specifications	45
Transparency Specifications	46
Storing Print Media	46
Shipping Print Media	47
Fillers	47
Testing Media Specifications	47
3 Printer Configuration	53
Contents	53
Using the Control Panel	54
Display LEDs	54
Job Cancel Button	54
Go Button	54
Printing Demo Page	55
Printing Self-Test/Configuration Page	56
Continuous Self-Test	57
Engine Test	58
Service Mode	59
Accessing Service Mode	59
Setting the Page Count	61
Setting the Cold Reset Default	61
Resetting the Printer	62
Cold Reset	62
NVRAM Initialization	62
Remote Control Panel	63
Installing the Remote Control Panel	63
Network Printing	64
Installing an HP JetDirect EIO Card	64
IR Printing	65
4 Printer Maintenance	67
Contents	67
Service Check Points	68
Cleaning the Printer	69
General Cleaning	69
Internal Cleaning	70
Toner Cartridge Information	72
Storage	72
Handling Instructions	73
Refilled Toner Cartridges	74
Recycling Toner Cartridges	74
Toner Cartridge Weights	75
Toner Cartridge Life Expectancy	75
Saving Toner with EconoMode	75
Redistributing the Toner	76
5 Functional Overview	77
Contents	77
Sequence of Operation	78
Power On Sequence	79
Timing Diagram	80
Printer Functionality and Operation	81
Formatter System	82
Formatter Hardware	83
Formatter Subsystems	83
Resolution Enhancement technology (REt - 600 dpi only)	83
Print Density Adjustment	83
EconoMode (600 dpi only)	84
Memory Management	85
Printer Job Language (PJL) Overview	86
Engine Control System	87
Laser Scanner Control	88
Paper Feed Control	88
Microswitch Control	88
Motor Control	88
Fusing Assembly Control	89
Power Supply and Control	89
Image Formation System	90
Toner Cartridge	91
Cleaning Stage	92
Conditioning Stage	92
Writing Stage	93
Developing Stage	94
Transferring Stage	95
Fusing Stage	95
Paper Pick and Feed System	97
Paper Detection	98
Paper Size Detection	98
Paper Jam Detection	98
6 Troubleshooting	99
Overview	99
Troubleshooting Process	100
Preliminary Operating Checks	100
Basic Fault Isolation	100
Troubleshooting Process Flow	102
Power On	103
Troubleshooting with Control Panel Messages	104
Control Panel LED Messages	104
Paper Handling Problems	115
Print Test Pages	115
Engine Test	115
Self-Test / Configuration Page	115
Paper Jam Troubleshooting	115
Media and Paper Handling Problems	118
Evaluate the Test Pages	119
Status Log Messages	119
Verify installed options	119
Image Formation Troubleshooting	120
Half Self-Test Functional Check	137
Drum Rotation Functional Check	138
Media Troubleshooting	139
A Paper or Printer Problem?	139
Isolate a Paper Path	139
Isolate a Paper Brand	140
Isolate a Paper Type	142
Evaluate Paper User Practices	147
Evaluate Environmental Conditions	147
Communication Troubleshooting	149
Communications Check	149
Test Message	149
EIO Troubleshooting	149
JetDirect Configuration	150
Reference Diagrams	151
Timing Diagram	151
Sensors and Signals	152
Component Locations	154
7 Removal and Replacement	161
Contents	161
Removal and Replacement Strategy	162
Required Tools	163
Parts Removal Tree	164
Toner Cartridge Removal	166
Tray 2 Removal	167
Transfer Roller Removal	168
Tray 2 Pickup Roller Removal	171
Tray 2 Pickup Roller Replacement	176
I/O Cover Removal	180
EIO Card Removal	181
DIMM Cover Removal	182
DIMM Removal	183
Formatter PCB Removal	184
EIO Shield and Guide Removal	186
Rear Cover Removal	187
Fusing Assembly Removal	189
Fusing Assembly Replacement	192
Fusing Film Removal	193
Pressure Roller Removal	195
Engine Controller Assembly Removal	196
Top Cover Removal	199
Upper Output Delivery Roller Removal	202
Lower Output Delivery Roller Removal	204
Laser Scanner Assembly Removal	205
Transport Belts and Rollers Removal	207
Transport Belts and Rollers Replacement	209
Ribbon Cable Harness Removal	212
Printer Drive Assembly Removal	214
Main Motor Removal	216
Motor Plate Removal	217
Printer Drive Assembly Gear Removal	218
Tray 1 Pickup Roller Assembly Removal	219
Tray 1 Separation Pad Assembly Removal	222
Tray 1 Paper Sensor Lever Removal	224
Tray 1 Paper Sensor Lever Replacement	226
Tray 1 Solenoid Removal	228
Tray 2 Pickup Roller Assembly Removal	229
Tray 2 Solenoid Removal	231
Intermediate PCB Removal	232
Registration Assembly Removal	235
Fusing Assembly Ground Clip Replacement	237
Tray 3 Assembly Connector Removal	238
Left Cover Removal	239
Cooling Fan Removal	240
Toner Cartridge Guide Removal	242
Tray 1 Removal	244
Tray 1 Pickup Roller Removal	247
Tray 1 Separation Pad Removal	250
DC Bias Voltage Contacts (Leaf Springs) Removal	252
DC Bias Voltage Contacts Replacement	255
Tray 3 Cassette Assembly Removal	257
Tray 3 Pickup Roller Removal	258
Tray 3 Paper Feeder Drive Assembly Removal	259
Tray 3 Solenoid Removal	261
8 Parts and Diagrams	263
External Covers and Panels	264
Top Cover Assembly	266
Internal Components	267
Fuser	273
Printer Drive Assembly	275
Paper Feeder Drive Assembly	277
Paper Tray	279
Paper Tray Pickup Assembly	281
Paper Tray External Covers	283
Paper Tray Internal Components	285
Hardware Table	287
Alphabetical Parts List	289