HP LaserJet 2100
Printer Drive Assembly Diagram

22 Tooth/93 Tooth Cluster Gear - RS6-0452 Drive Arm - RB2-2938 Coupling Assembly - RG5-4140 Compression Spring - RS6-2031 Spring Spacer - RB2-2950 Gear Washer - RB2-2949 Spring Plate - RB2-2948 Pin Holder - RB2-2947 Compression Spring - RS6-2027 Clutch Pin - RB2-2943 48 Tooth Drive Arm Assembly Gear - RS6-0454 53 Tooth Printer Drive Gear #7 - RS6-0457 22 Tooth/86 Tooth Cluster Gear #6 - RS6-0456 67 Tooth Printer Drive Gear #1 - RS6-0455 23 Tooth/46 Tooth Cluster Gear #2 26 Tooth Printer Drive Gear #8 - RS6-0451 31 Tooth Printer Drive Gear #9 - RS6-0450 25 Tooth/41 Tooth Cluster Gear #10 - RS6-0449 17 Tooth/68 Tooth Cluster Gear # 11 - RS6-0448 59 Tooth/ 92 Tooth Cluster Gear #4 - RS6-0447 201 Tooth Gear # 5 - RS6-0446 Mount Plate - RB2-2945 PCA Guide - RB2-2944 Drive Release Lever - RB2-2939 Motor Plate - RB2-2937 Coupler Bushing - RB2-2936 Gear Coupler - RB2-2935 Printer Drive Assembly - RG5-4131
REF PART # DESCRIPTION
1 RG5-4131 Printer drive assembly
2 RB2-2935 Gear coupler - Between plate bushing and largest drive gear
3 RB2-2936 Coupler bushing - Supports largest drive gear coupler
4 RB2-2937 Motor plate - Metal plate that secures coupler assembly
5 RB2-2939 Drive release lever - Mechanical link between drive coupling assembly and drive arm assembly
6 RB2-2944 PCA guide - Holds extended I/O PC board
7 RB2-2945 Mount plate - Protective plate for extended I/O PCA
8 RS6-0446 Gear '#5' - 201 tooth gear - 201 tooth gear - Largest gear in assembly - Gear #5
9 RS6-0447 Cluster gear '#4' - 58/92 tooth - 58 tooth/92 tooth cluster gear - Gear #4
10 RS6-0448 Cluster gear '#11' - 17/68 tooth - 17 tooth/68 tooth cluster gear - Gear #11
11 RS6-0449 Cluster gear '#10' - 25/41 tooth - 25 tooth/41 tooth cluster gear - Gear #10
12 RS6-0450 Printer drive gear '#9' - 31 tooth - 31 tooth gear - Printer drive gear #9
13 RS6-0451 Printer drive gear '#8' - 26 tooth - 26 tooth gear - Printer drive gear #8
14 RS6-0453 Cluster gear '#2' - 23/46 tooth - 23 tooth/46 tooth cluster gear - Gear #2
15 RS6-0455 Printer drive gear '#1' - 67 tooth - 67 tooth gear - Printer drive gear #1
16 RS6-0456 Cluster gear '#6' - 22/86 tooth - 22 tooth/86 tooth cluster gear - Gear #6
17 RS6-0457 Printer drive gear '#7' - 53 tooth - 53 tooth gear - Printer drive gear #7
18 RS6-0454 Gear - 48 tooth - 48 tooth gear - Upper gear of drive arm assembly
19 RB2-2943 Clutch pin - Holds drum drive clutch springs - Between pin holder and clutch spring plate
20 RS6-2027 Compression spring - Drum drive clutch spring - Spring closest to spring plate
21 RB2-2947 Pin holder - Holds drum drive clutch pin
22 RB2-2948 Spring plate - Holds clutch pin and springs in place
23 RB2-2949 Gear washer - Between largest drive gear and mounting plate
24 RB2-2950 Spring spacer - Fits between the two drum clutch springs
25 RS6-2031 Compression spring - Drum drive clutch spring - Spring closest to drive gear assembly mounting plate
26 RG5-4140 Coupling assembly - Engages drive gear assembly
27 RB2-2938 Drive arm - Engages/disengages motor to drum drive assembly
28 RS6-0452 Cluster gear - 22/93 tooth - 22 tooth/93 tooth cluster gear - Lower gear of drive arm assembly
For more information about the parts listed above go to www.PrinterSupplies.com