HP LaserJet 2100 
Internal Components (1 of 3) Diagram

Solenoid - RH7-5253 Leaf Spring - RB2-2847 Torsion Spring - RB2-2837 Paper Sensor Lever - RB2-2836 Tray 3 Paper Sensor - WG8-5382 Cartridge Access Door Switch - RH7-6051 Flat Cable - RH2-5350 Main Motor - RH7-1381 Laser/Scanner Assembly - RG5-4172 Frame Ground Cable Assembly - RG5-4263 Paper Feeder Cable Assembly - RG5-4262 Frame Ground Connector - VS1-6173 Static Dissipator - RB2-2826 DC Power Cable Assembly - RG5-4255 Right Side Multi-Purpose Tray Sensor Cable - RG5-4254 Tray 1 Solenoid - RH7-5211 FFC Guide Plate - RB2-2946 Grounding Plate - RB2-2812 Dust Filter for Cooling Fan - RB2-2817 Tubeaxial Fan - RH7-1383
REF PART # DESCRIPTION
1 RH7-1383 Tube axial fan (low profile) - Mounts on the left side of the print structure
2 RB2-2817 Dust filter for cooling fan
3 RB2-2812 Grounding plate - Ground plate for fusing assembly RFI
4 RH7-5211 Solenoid (SL502) - Multipurpose tray (Tray 1) solenoid - Solenoid - Multi Purpose Tray/Tray 1 solenoid - SL502
5 RG5-4254 Multi-purpose input tray sensor cable - Right side
6 RG5-4255 Cable assembly - DC power cable
7 RB2-2826 Static dissipater - Discharges static electric charge as paper moves out of transfer charge roller
8 VS1-6173 Frame ground connector - Frame ground cable plugs into this connector
9 RG5-4262 Cable assembly - Paper feeder cable
10 RG5-4263 Cable assembly - Frame ground cable
11 RG5-4172 Laser/scanner assembly - Mounts on top of print structure
12 RH7-1381 Main motor - Provides power for main printer drive assembly
13 RH2-5350 Flat cable (White) - Top right side of printer - From interconnect board to formatter board
14 RB2-2946 FFC guide plate - Holds white flat cable in place
15 RH7-6051 Micro switch with lever activator - Cartridge access door switch - SW1701
16 WG8-5382 Sensor PC board - Small board with flag activated photo sensor - Photo sensor (PS2001) - Tray 3 paper sensor
17 RB2-2836 Paper sensor lever - Mechanical device that engages photo sensor PS504
18 RB2-2837 Torsion spring - Provides tension for paper sensor lever
19 RB2-2847 Leaf spring - Electrical ground connection
20 RH7-5253 Solenoid