HP Color LaserJet 2820 | 2830 | 2840 All-In-One Printer Series
Front Frame Assembly Diagram

E-Ring Clip - XD2-1100 Bushing - RS5-1638 Right Paper Feed Guide - RB2-9955 Label - RS6-8687 Left Paper Feed Guide - RB2-9954 Light Blocking Pad Assembly - RF5-4047 Shaft Bushing - RS5-1635 30 Tooth Gear - RS7-0425 Cable Clip - wt2-5056 E-Label Reader - RG5-7131 Cable Clamp - WT2-5700 Paper Pickup Roller Assembly - RG5-6952 Paper Guide Assembly - RG5-7584 Gear Assembly - RG5-6938 Tray 1 Assembly - RG5-7601 Sensor PC Board - WG8-5593 26 Tooth Gear - RS7-0429 Dual Gear - RS7-0426 Dual Gear - RS7-0424 26 Tooth Gear - RS7-4018 Tension Spring - RS6-2030 Tension Spring - RS6-2030 Separation Pad Assembly - RF5-4012 Solenoid Assembly - RH7-5383 Test Print Flag - RB3-0135 Left Retaining Spring - RB3-0122 Right Retaining Spring - RB3-0121 Solenoid Cover - RB3-0120 Cable Assembly - RG5-7624 Paper Flag - RB3-0111 Roller Cover - RB3-0104 Lower Front Cover - RB3-1135 Internal Cover - RB3-1134 Damper Assembly - RB2-6248 Right Roller Bushing - RB2-3044 Left Roller Bushing - RB2-3043 Tray Hinge - RB9-0889 Tray Hinge - RB9-0890 Tray 1 Flag Spring - RB2-9952
REF PART # DESCRIPTION
1 RB2-9952 Tray 1 flag spring - Provides torsion for the tray 1 paper sensor flag - Mounts in the lower portion of the front frame assembly
2 RB9-0890 Tray hinge - 'L' shaped plastic arm - For the right side of the multipurpose front input tray (tray 1) - Mounts in the lower portion of the front frame assembly
3 RB9-0889 Tray hinge - 'L' shaped plastic arm - For the left side of the multi-purpose front input tray (tray 1) - Mounts in the lower portion of the front frame assembly
4 RB2-3043 Left roller bushing - Acts as the bearing and retainer for the left end of the paper pickup roller assembly (tray 1) - Mounts on the left side of the front frame assembly
5 RB2-3044 Right roller bushing - Acts as the bearing and retainer for the right end of the paper pickup roller assembly (tray 1) - Mounts on the right side of the front frame assembly
6 RB2-6248 Damper assembly (Gray plastic piece with small 13-tooth gear on it) - Helps to reduce clunking when the paper pickup roller is engaged - Engages the paper pickup roller - Mounts on the right side of the front frame assembly
7 Q3948-67914 Internal cover kit - Includes the curved plastic cover (with recessed area for grasping the handle on the imaging drum/transfer assembly) and the cartridge removal label - Mounts towards the front of the printer just above multipurpose tray (tray 1)
RB3-1134 Internal cover (ONLY) - Curved plastic piece with recessed area for grasping the handle on the imaging drum/transfer assembly - Mounts towards the front of the printer just above the multipurpose tray
8 RB3-1135 Lower front cover - Rectangular plastic strip - Mounts just below the multipurpose input tray on the front of the printer
9 RB3-0104 Roller cover - Covers the multipurpose paper pickup roller assembly - Mounts on the lower front of the front frame assembly
10 RB3-0111 Paper flag - Plastic rod with paper sensing flag on one end and sensor activator flag on the other - Senses paper coming from the multi-purpose front input tray (tray 1)
11 RG5-7624 Cable assembly (two 3-pin connectors) - Connects between the waste toner sensor PC board (J61) and the DC controller board (J108)
12 RB3-0120 Solenoid cover (Steel) - For magnetic wave sheilding - Mounts over the solenoid on the right side of the front frame assembly
13 RB3-0121 Right retaining spring - Helps to secure and ground the imaging drum/transfer assembly in the printer - Mounts on the upper right side of the front frame assembly
14 RB3-0122 Left retaining spring - Helps to secure the imaging drum/transfer assembly in the printer - Mounts on the upper left side of the front frame assembly
15 RB3-0135 Test print flag (Black lever) - Used to activate the print engine test switch - Mounts in a metal holder in the upper left of the front frame assembly
16 RH7-5383 Solenoid assembly - (SL92) Lever on the solenoid disengages the stop on the drive gear on the paper pickup roller for the multipurpose input tray (tray 1)
17 Q3948-67907 Paper pickup roller replacement kit - Includes the pickup roller ('D' shaped roller), separation pad, and illustrated instructions - Picks paper from the multipurpose front input tray (tray 1) - Mounts in the lower portion of the frame assembly
RF5-4012 Separation pad assembly - Includes the separation pad, holder and spring - Mounts below the multipurpose front input (Tray 1) pickup roller assembly
18 RS6-2030 Tension spring - Provides support tension for the multipurpose front input tray guide assembly (two used)
19 RS7-0418 26 tooth gear (Black plastic) - Has 1/8th portion of gear cut away - Mounts on the end of the paper pickup roller for the multipurpose input tray (Tray 1)
20 Q3948-67913 Front frame gear kit - Includes the 20 tooth/40 tooth dual gear, 26 tooth gear, metal plate with two gears assembly and the bushing for the paper pickup clutch gear shaft - All mount on the right side of the front frame assembly
RS7-0424 Dual gear - 20 tooth / 40 tooth - Mounts between the right side of the front frame assembly and the paper pickup gear plate assembly
21 RS7-0426 Dual gear - 26 tooth / 50 tooth (White plastic) - Part of the drive gears for the registration roller - Mounts on inside of the front frame assembly on the right side
22 Q3948-67913 Front frame gear kit - Includes the 20 tooth/40 tooth dual gear, 26 tooth gear, metal plate with two gears assembly and the bushing for the paper pickup clutch gear shaft - All mount on the right side of the front frame assembly
RS7-0429 26 tooth gear (White plastic) - Has recess for shaft drive pin - Paper pickup clutch drive gear - Mounts between the right side of the front fame assembly and the paper pickup gear plate assembly
23 WG8-5593 Sensor PC board - Small board with flag activated photosensor - (PS718) Detects paper from the multipurpose input tray, mounts on the right side of the front frame assembly - (PS720) Front of page sensor for the fusing assembly, mounts on the underside of
24 XB4-7401 M4 truss head (flanged) screw - 10mm long - Typically used to secure plastic parts to the left and right side plates
25 RG5-7601 Multipurpose front input tray assembly (tray 1) - Includes the front cover piece, pull-out paper support, and the flip-out extender - Mounts on front of printer (on the front frame assembly)
26 Q3948-67913 Front frame gear kit - Includes the 20 tooth/40 tooth dual gear, 26 tooth gear, metal plate with two gears assembly and the bushing for the paper pickup clutch gear shaft - All mount on the right side of the front frame assembly
RG5-6938 Gear assembly - Metal plate with two White plastic gears attached - Part of the drive gears for the paper pickup roller for the multipurpose input tray (tray 1) - Mounts on the right side of the front frame assembly
27 RG5-7584 Paper guide assembly - Paper width adjustable guide assembly for the multipurpose front input tray (tray 1) - Mounts with the two hinges on the lower portion of the front frame assembly
28 Q3948-67907 Paper pickup roller replacement kit - Includes the pickup roller ('D' shaped roller), separation pad, and illustrated instructions - Picks paper from the multipurpose front input tray (tray 1) - Mounts in the lower portion of the frame assembly
Q3948-67912 Paper pickup roller kit - Includes the 'D' shaped the paper pickup roller assembly and the separation pad assembly - For the multipurpose front input tray (tray 1)
RB3-0160 Paper pickup roller ('D' shaped) - Mounts on the paper pickup roller assembly for the multipurpose front input tray (tray 1)
RG5-6952 Paper pickup roller assembly - Includes the shaft, guide assembly cams, the D-shaped roller, and roller retainers - Picks paper from the multipurpose front input tray (tray 1) - Mounts in the lower portion of the front frame assembly
29 WT2-5700 Cable clamp - White plastic clamp with mounting pin - Mounts on the upper right side of the front frame assembly, the lower left side of the middle frame assembly, and the lower middle of the fusing assembly (three used)
30 RG5-7131 E-label reader (contact board only) - Connects the cartridge non-volitale memory to the DC controller board - Mounts to the top left on the front frame assembly
31 WT2-5056 Cable clip - 'C' shaped White plastic - Mounts in the opening on the cover for the paper pickup solenoid
32 RS7-0425 30 tooth gear (White plastic) - Part of the drive gears for the registration roller - Mounts on inside of the front frame assembly on the right side
33 Q3948-67913 Front frame gear kit - Includes the 20 tooth/40 tooth dual gear, 26 tooth gear, metal plate with two gears assembly and the bushing for the paper pickup clutch gear shaft - All mount on the right side of the front frame assembly
RS5-1635 Shaft bushing - For the paper pickup clutch gear shaft - Mounts on the plate of the multipurpose paper pickup gear assembly
34 RF5-4047 Light blocking pad assembly - Black plastic frame with soft rubber gasket and stiff conductive Mylar piece (grounded) - Mounts to the top center of the front frame assembly
35 RB2-9954 Left paper feed guide (small Black plastic arm) - Mounts to the left of the separation pad assembly on the lower front frame assembly
36 Q3948-67914 Internal cover kit - Includes the curved plastic cover (with recessed area for grasping the handle on the imaging drum/transfer assembly) and the cartridge removal label - Mounts towards the front of the printer just above multipurpose tray (tray 1)
RS6-8687 Label - Illustrates the imaging drum/transfer assembly cartridge removal procedure - Mounts on the upper internal cover
37 RB2-9955 Right paper feed guide (small Black plastic arm) - Mounts to the right of the separation pad assembly on the lower front frame
38 RS5-1638 Bushing - For the registration roller gear drive shaft on the right side of the front frame assembly, and the left side of the feed roller in the 250-sheet paper input tray assembly
39 XD2-1100 E-ring clip - Secures the dual gear to the drive shaft which drives the registration roller - Located on the inside of the front frame assembly
For more information about the parts listed above go to  www.PrinterSupplies.com