HP Color LaserJet 2820 | 2830 | 2840 All-In-One Printer Series
Internal Components (1 of 2) Diagram

E-Ring Clip - XD2-1100 High Voltage Caution Label - RS6-8668 Pressure Roller - RF5-4068 Torsion Spring - RB2-9905 Torsion Spring - RS7-0437 Dual Gear - RS7-0436 Dual Gear - RS7-0435 Fusing Motor Assembly - RH7-1628 Cable Assembly - RG5-7620 Upper Top Bin Roller Assembly - RG5-7637 Front Cable Assembly - RG5-7145 Upper Cable Assembly - RG5-7160 Thermistor - RH7-7159 Screw - XA9-1501 Clutch Assembly - RH7-5389 Fan - RH7-1630 Grounding Plate - RB3-1113 Screw - XA9-1495 Screw - XA9-1449 15 Tooth Gear With Drive Shaft - RB3-0092 16 Tooth Gear - RB3-0091 Airflow Duct - RB9-0901 RFI Sheild - RB2-9932 Toner Catch Tray - RB3-0019
REF PART # DESCRIPTION
1 RB3-0019 Toner catch tray (curved Black plastic piece) - Holds residual toner from photosensitive drum - Mounts just below the toner cartridge carousel on the bottom frame assembly
2 RB2-9932 RFI shield - Parallel wire form mounted over the fan - Mounts on the fan air duct assembly on the left side of the printer
3 Q3948-67915 Airflow guide (duct) kit - Includes the airflow guide / fan holder bracket assembly with high voltage label - Mounts on the left metal side frame assembly
RB9-0901 Airflow guide (duct) / fan holder bracket assembly (Alloy Gray plastic) - Mounts on the left metal side frame assembly
4 RB3-0091 16 tooth gear (Black plastic) - Gear with large stop tooth and shaft lock tab - Used as part of the mechanism to disengage the drive cams for the imaging drum/transfer assembly - Mounts on the inside of the right side metal chassis assembly
5 RB3-0092 15 tooth gear with drive shaft (Black plastic) - Used as part of the mechanism to disengage the drive cams for the imaging drum/transfer assembly - Mounts on the right side metal chassis frame
6 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
7 XA9-1495 Wafer head (flanged) machine screw - M3, 6mm long - Used internally to secure brackets, plates, the pickup solenoid, and the drive motor to the left and right side plates
8 RB3-1113 Grounding plate - Small plate with grounding finger - Grounds the end of the carousel drive shaft - Mounts towards the top on the left side plate assembly
9 RH7-1630 Cooling fan (Panaflo Model FBA08T24H - 80mm X 80mm X 15mm high, DC brush less, 24V DC, 190mA) - (FM712) Mounts in the airflow guide/fan bracket assembly on the left side of the printer
10 RH7-5389 Electromagnetic clutch assembly (24V) - Electrical clutch between the clutch drive gear and shaft - (CL1) Engages the registration roller assembly
11 XA9-1501 M3 pan-head Phillips screw - 10mm long - Used to secure the fusing assembly drive motor to the right side plate (four used)
12 RH7-7159 Thermistor - Mounts to the metal right side frame assembly just above the DC controller board
13 RG5-7160 Upper cable assembly (seven connectors) - Interconnects various upper level components to the DC controller board
14 RG5-7145 Front cable assembly (six connectors) - From various components on the front frame assembly and right side to the DC controller board
15 RG5-7637 Upper top bin output roller assembly - Includes the shaft with four rubber rollers, two bushing/shaft retainers, two anti-reversing flaps, and the drive gear - Mounts on the top rear of the printer
16 RG5-7620 Cable assembly (two 5-pin connectors) - Connects between the DC controller board (J139) and the fusing assembly drive motor (J702)
17 RH7-1628 Fusing motor assembly - 24VDC motor mounted on a motor controller PC board - (DCM702) Mounts on the right side plate assembly (next to the DC controller board)
18 Q3948-67916 Paper output gear kit - Includes the 32 tooth / 37 tooth dual gear, the 37 tooth / 43 tooth dual gear, and the 51 tooth gear - Mounts on the right side of the rear frame assembly
RS7-0435 Dual gear - 32 tooth / 37 tooth (White plastic) - Drives the upper top bin output roller - Mounts on the right side of the rear frame assembly
19 Q3948-67916 Paper output gear kit - Includes the 32 tooth / 37 tooth dual gear, the 37 tooth / 43 tooth dual gear, and the 51 tooth gear - Mounts on the right side of the rear frame assembly
RS7-0436 Dual gear - 37 tooth / 43 tooth (White plastic) - Part of the gear train for driving the upper top bin output roller - Mounts on the right side of the rear frame assembly
20 Q3948-67916 Paper output gear kit - Includes the 32 tooth / 37 tooth dual gear, the 37 tooth / 43 tooth dual gear, and the 51 tooth gear - Mounts on the right side of the rear frame assembly
RS7-0437 51 tooth gear (White plastic) - Main drive gear for both the upper and lower top bin output rollers
21 Q3948-67917 Upper face-down pressure roller kit - Includes the two small Black hard plastic rollers and corresponding torsion springs - Mounts on the top rear of the rear frame assembly
RB2-9905 Torsion spring - Provides pressure for the upper top bin output pressure rollers (two used)
22 Q3948-67917 Upper face-down pressure roller kit - Includes the two small Black hard plastic rollers and corresponding torsion springs - Mounts on the top rear of the rear frame assembly
RF5-4068 Pressure roller (small Black hard plastic 'solid' roller) - Presses against the lower top bin output roller on the middle rear of the printer (two used)
23 Q3948-67915 Airflow guide (duct) kit - Includes the airflow guide / fan holder bracket assembly with high voltage label - Mounts on the left metal side frame assembly
RS6-8668 High voltage caution label - Mounts on the airflow guide / fan bracket assembly
24 XD2-1100 E-ring retainer clip - Used to secure the electromagnetic clutch assembly (CL1) on the paper pickup shaft
25 XB4-7401 M4 truss head (flanged) screw - 10mm long - Typically used to secure plastic parts to the left and right side plates
For more information about the parts listed above go to  www.PrinterSupplies.com