HP Color LaserJet 2820 | 2830 | 2840 All-In-One Series Printers
Fusing Assembly Diagram

Left Spacer - RB2-9935 Right Spacer - RB2-9934 Screw - XA9-1449 28 Tooth Idler Gear - RS7-0582 Fusing Assembly Cable - RG5-7154 Lock Release Shaft - RB2-4933 Lock Release Shaft - RB2-4933 Fusing Assembly Upper Cover - RB3-1032 Gear Holder - RB3-1029 Grounding Spring - RB3-1150 Grounding Spring - RB3-1150 Left Pressure Release Lever - RB3-1167 Lower Guide Assembly - RG5-7577 Face-Up Output Tray - RB3-1140 Rear Cover - RG5-7604 Right Pressure Release Lever - RB3-1166 Separation Upper Guide Assembly - RG5-7576 Pinch Roller - RB2-9950 Fusing Film Assembly - RG5-7162 Cable Clamp - WT2-5700 30 Tooth Gear - RS7-0580 Compression Spring - RB3-1025 Compression Spring - RB3-1025 Base Plate - RF5-4060 M3 Pan Head Screw - XA9-1500 Pressure Roller Assembly - RB3-1034 Label - RU5-8125 Pressure Plate - RB3-1024 Pressure Plate - RB3-1024 Paper Inlet Guide - RB3-0180 Left Side Lock Release Lever - RB3-0179 Right Side Lock Release Lever - RB3-0178 Bushing - RB3-1027 Bushing - RB3-1026 Fusing Assembly - RG5-7602
REF PART # DESCRIPTION
1 RB3-1026 Bushing - Plastic 'U' shaped bushing - Mounts on the right end of the pressure roller in the fusing assembly
2 RB3-1027 Bushing - Flanged plastic bushing - Mounts on the left end of the pressure roller in the fusing assembly
3 RB3-0178 Right side lock release lever - Part of locking system used to secure the fusing assembly in the printer
4 RB3-0179 Left side lock release lever - Part of locking system used to secure the fusing assembly in the printer
5 RB3-0180 Paper inlet guide - Small ribbed plastic piece - Mounts on the lower front of the fusing assembly
6 RB3-1024 Pressure plate - Small steel channel shaped plate - Spring loaded plate that provides upward force on the pressure roller (two used)
7 RU5-8125 'Caution: High temperature' label - Mounts in a recess on the upper cover of the fusing assembly
8 RB3-1034 Pressure roller assembly - Hard rubber roller on a metal drive shaft - Lower roller in the fusing assembly
9 XA9-1500 M3 pan-head Phillips screw with flat washer - 8mm long - Used to secure the fusing connector holder to the base pan assembly and the fusing assembly upper cover to the structure
10 RF5-4060 Base plate - Bottom support plate for the fusing assembly
11 RB3-1025 Compression spring - Provides upward force on the pressure roller - Mounts between the two guide plates and the fuser support frame assembly (two used)
12 RS7-0580 30 tooth gear - Main drive gear for the fusing assembly - Mounts on the end of the pressure roller drive shaft
13 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)
14 RG5-7162 Fusing film assembly (for 110VAC to 127VAC operation) - Includes the heater assembly and the fusing film tube
RG5-7163 Fusing film assembly (for 220VAC to 240VAC operation) - Includes the heater assembly and the fusing film tube
15 RB2-9950 Pinch-roller - Small roller mounted on a shaft - Rolls against the paper delivery roller in the fusing assembly - Snaps in molded-in holders on the separation upper guide assembly (two used)
16 RG5-7576 Separation upper guide assembly - Ribbed plastic channel with pivot pins on each end and two pinch rollers for the paper delivery roller - Mounts just behind the pressure roller in the fusing assembly
17 RB3-1166 Right pressure release lever - To release pressure between the pressure roller and the heater assembly to clear paper jams - Mounts on the right side of the fuser support frame assembly
18 RB3-1140 Rear cover / face-up output tray (ONLY) - When opened, routes printed pages to this cover/tray for face-up output - Mounts to the lower rear cover on the fusing assembly
19 RG5-7604 Rear cover / face-up output tray assembly - Includes the tray/cover and the lower fusing assembly cover - When opened, routes printed pages to this cover/tray for face-up output - Mounts to the rear of the fusing assembly
20 RG5-7577 Lower guide assembly - Includes the support structure, delivery roller, drive gear, paper photo-sensor, sensor flags, and upper separation guide - Mounts on the rear of the fuser support frame assembly
21 RB3-1167 Left pressure release lever - To release pressure between the pressure roller and the heater assembly to clear paper jams - Mounts on the left side of the fuser support frame assembly
22 RB3-1150 Grounding spring - Mounts between the fusing assembly lower rear cover and fuser support frame assembly (two used)
23 RB3-1029 Gear holder - Hollow tube with locking tab - Retains the idler gear on the right side of the fusing assembly
24 RB3-1032 Fusing assembly upper cover - Ribbed cover with end caps - Mounts to the top of the fusing assembly
25 RB2-4933 Lock release shaft - Small shaft with locking tab - Does NOT include the lock release lever - Used to secure the fusing assembly in the printer (two used)
26 RG5-7154 Fusing assembly cable (for 110VAC to 127VAC operation) - Connects the fusing heater assembly and the paper sensor to the fusing assembly connector
RG5-7155 Fusing assembly cable (for 220VAC to 240VAC operation) - Connects the fusing heater assembly and the paper sensor to the fusing assembly connector
27 RS7-0582 28 tooth idler gear - Mounts to the upper right side of the fusing assembly
28 XA9-1449 M3 pan-head Phillips screw with machine threads - 8mm long - Used to secure the thermistor to the right side plate and the power supply PC boards and holders the the base pan assembly and the ground terminal to the fuser support frame
29 RB2-9934 Right spacer - Shipping lock for the fusing assembly - Mounts in the lower rear cover of the fusing assembly
30 RB2-9935 Left spacer - Shipping lock for the fusing assembly - Mounts in the lower rear cover of the fusing assembly
31 RG5-7602 Fusing assembly - Includes the fusing mechanism, lower rear cover (with the two locking levers), and the rear cover / face-up output tray - Bonds the toner to the paper with heat - For 110V to 127VAC operation - Slides in the lower rear of the print engine
RG5-7603 Fusing assembly - Includes the fusing mechanism, lower rear cover (with the two locking levers), and the rear cover / face-up output tray - Bonds the toner to the paper with heat - For 220V to 240VAC operation - Slides in the lower rear of the print engine
For more information about the parts listed above go to  www.PrinterSupplies.com