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500 Sheet Paper Cassette

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RB2-6469-000CN | Paper stop end plate - Mounts at rear of the 500-sheet paper cassette tray assembly | Find 1 |
| 2 | RC1-2191-000CN | Compression spring - Provides upward pressure on the separation pad assembly in the 500-sheet paper cassette tray assembly | Find 2 |
| 3 | RM1-0827-000CN | Separation pad assembly - Includes the metal pivoting support frame with the plastic snap-on separation pad assembly - Mounts in the 500-sheet paper cassette tray assembly | Find 3 |
| 4 | RM1-0705-000CN | 500-sheet paper cassette tray assembly (only) | Find 4 |
500 Sheet Paper Feeder

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-2178-000CN | Front cover - Plastic piece that cover the space between the bottom of printer and top of the 500-sheet cassette tray assembly | Find 1 |
| 2 | RC1-2179-000CN | Right cover - Right side external plastic cover for the 500-sheet paper feeder assembly | Find 2 |
| 3 | RC1-2180-000CN | Left cover - Left side external plastic cover for the 500-sheet paper feeder assembly | Find 3 |
| 4 | RB2-3489-000CN | Inner cover (Small Quartz Gray plastic cover) - 500 Sheet Feeder Cover - Covers Bottom of Front Lower Left Corner | Find 4 |
| 5 | RB2-6448-000CN | Mechanical sensor flag (black plastic) - For the paper feed sensor - Mounts on the right underside of the center frame assembly - For the base on the 500 sheet input tray assembly | Find 5 |
| 6 | RB2-6450-000CN | Leaf spring - Helps to retain the cassette paper tray in the base assembly - For the base on the 500 sheet input tray assembly | Find 6 |
| 7 | RB2-6452-020CN | Cross-brace - Metal plate with stamped in guide pin on left side - Mounts on the bottom of the center support frame (two used) - Adds rigidity to the base assembly structure - For the 500-sheet input tray assembly - | Find 7 |
| 8 | RB2-6453-000CN | Inner cover (Small Quartz Gray plastic cover with sensor flag slot) | Find 8 |
| 9 | RC1-2175-000CN | Leaf spring | Find 9 |
| 10 | RC1-2182-000CN | Shaft bushing/retainer - Pickup roller support bushing on left side - Mounts on and retains the left end of the pickup roller shaft - For the 500-sheet paper feeder assembly | Find 10 |
| 11 | RC1-2192-000CN | Shaft bushing/retainer - Pickup roller support bushing on right side - Mounts on and retains the right end of the pickup roller shaft - For the 500-sheet paper feeder assembly | Find 11 |
| 12 | RC1-2280-000CN | Leaf spring - Provides ground contact to front cross-brace - Mounts on the on the right side of the center frame assembly | Find 12 |
| 13 | RC1-2165-000CN | Rubber foot - Mounts on the bottom of the 500-sheet feeder base assembly (four used) | Find 13 |
| 14 | RM1-0709-000CN | Pressure roller assembly - Plastic support frame with two small spring loaded rollers - Rolls against the rubber feed roller - Mounts on the underside of the center frame assembly on the 500-sheet paper feeder assembly | Find 14 |
| 15 | RM1-0769-000CN | Cable assembly - Connects between the 6-pin printer interface connector and the feed drive board | Find 15 |
| 16 | RM1-0770-000CN | Sensor cable assembly - Connects between the paper feed sensor and the feed drive board - Mounts on the right side of the center frame of the 500-sheet paper feeder assembly | Find 16 |
| 17 | RM1-0731-050CN | Paper pickup roller assembly - Includes the D shaped rubber roller on a plastic shaft - Mounts in the lower center of the center frame assembly - | Find 17 |
| 18 | VS1-6175-006CN | 6-pin connector and housing assembly - Interconnects Tray 3 to host printer - Mounts on top right side of paper feed assembly | Find 18 |
| 19 | WG8-5696-000CN | Photo-interrupter sensor assembly (Does not include the sensor flag) - For sensing paper feed - Mounts on the front underside of the center frame assembly | Find 19 |
Center Frame Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1243-000CN | Bushing - White plastic gear bushing | Find 1 |
| 2 | WG8-5624-000CN | Photo-sensor (TLP1241) - Sensor flag activated - | Find 2 |
| 3 | WT2-5841-000CN | Cable clip - Push in white plastic stand off for cables - Push in stand off for cables on right side of printer - Nine used on right side | Find 3 |
| 4 | RM1-0508-030CN | Memory controller PC board assembly - E-label and waste toner full controller | Find 4 |
| 5 | RC1-1328-000CN | Torsion spring - Provides tension for sensor flag in center frame assembly | Find 5 |
| 6 | RC1-1329-000CN | Sensor holder - Holder for developing engaging sensor PS14 | Find 6 |
| 7 | RC1-1330-000CN | Sensor flag - Flag that activates sensor PS14 | Find 7 |
| 8 | RC1-1343-000CN | PC board holder - Small plastic holder for memory controller PC board assembly | Find 8 |
| 9 | RC1-1349-000CN | Shield plate - Metal plate that covers memory controller board | Find 9 |
| 10 | RC1-1640-000CN | Laser shutter cover - Black plastic guides mounted to metal back of printer - Four used | Find 10 |
| 11 | RC1-1640-000CN | Laser shutter cover - Black plastic guides mounted to metal back of printer - Four used | Find 11 |
| 12 | RC1-1640-000CN | Laser shutter cover - Black plastic guides mounted to metal back of printer - Four used | Find 12 |
| 13 | RC1-1640-000CN | Laser shutter cover - Black plastic guides mounted to metal back of printer - Four used | Find 13 |
Developing Disengaging Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RK2-0176-000CN | Developing engaging drive clutch - Clutch CL3 | Find 1 |
| 2 | XD9-0135-000CN | Shaft E-clip - Developing disengaging drive shaft E-clip | Find 2 |
| 3 | RM1-0434-000CN | Developing engaging drive assembly - | Find 3 |
External Covers and Panels

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RM1-0443-000CN | Left front rod assembly - Part of left side front door hinge - Disengages color cartridges when front door opens | Find 1 |
| 2 | RM1-0444-000CN | Right front rod assembly - Part of right side front door hinge - Disengages Image Transfer Belt (ITB) when front door opens | Find 2 |
| 3 | RM1-0743-000CN | Top cover assembly - Top of printer with face down paper output | Find 3 |
| 4 | RM1-0466-030CN | Left side plastic cover for printer - DIMM access side | Find 4 |
| 5 | RM1-0467-000CN | Left front cover assembly - Left front corner plastic with control panel | Find 5 |
| 6 | RM1-0468-000CN | Face-up output tray assembly - Drop down paper output tray on rear of printer | Find 6 |
| 7 | RC1-1563-000CN | Right side of printer cover - Does not include logo plate | Find 7 |
| 8 | RC1-1565-000CN | Rear cover - Small cover above rear paper output tray | Find 8 |
| 9 | RC1-1566-000CN | Rear jam access door - Small access door above small rear cover over rear paper output tray | Find 9 |
| 10 | RC1-1600-000CN | Logo plate - Plate with HP logo that attaches to right side of printer | Find 10 |
| 11 | RC1-2296-000CN | Hinge cover - Covers hinge on bottom of front cover assembly - 2 used | Find 11 |
| 12 | RM1-0511-000CN | Operation panel assembly - Control panel PC board | Find 12 |
| 13 | RM1-0489-000CN | Operation panel cable - Cable that connects to control panel | Find 13 |
| 14 | RC1-1555-000CN | Flip-up tray extender - Flip-up tab in middle of top paper output tray - Allows better support for legal size paper | Find 14 |
| 15 | RC1-1562-000CN | Side cover - Panel on left side of printer with HP logo | Find 15 |
Front Cover Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RM1-0464-000CN | Tray 1/MP Tray assembly - Innermost hinged portion of MP tray with adjustable paper width guide | Find 1 |
| 2 | RC1-1158-000CN | Left front cover rod support - Attaches above front cover hinge - Attachment point for toner cartridge disengagment rod on left side | Find 2 |
| 3 | RC1-1159-000CN | Right front cover rod support - Attaches above front cover hinge on right side - Attachment point for belt drive disengagement rod on right side | Find 3 |
| 4 | RC1-1176-000CN | Interlock switch lever - Lever that activates front door switch SW1 - Connected to left side of front door release handle square shaft | Find 4 |
| 5 | RC1-1247-000CN | ITB coupling lever - Connected to right side of front door release handle square shaft | Find 5 |
| 6 | RC1-1575-000CN | Left hinge link - Hinge link that supports the left side of drop down MP tray cover | Find 6 |
| 7 | RC1-1576-000CN | Right hinge link - Hinge link that supports the right side of drop down MP tray cover | Find 7 |
| 8 | RC1-1574-000CN | MP/Tray 1 cover - Front cover for drop down MP/Tray 1 | Find 8 |
| 9 | RC1-2318-000CN | MP/Tray 1 pull out extension - Flip out paper support extension for MP/Tray 1 | Find 9 |
| 10 | RC1-2319-000CN | Small pull out extension - Small plastic pull out paper support extension - Mounts to the middle of the flip out extension on the multipurpose tray (tray 1) | Find 10 |
| 11 | RC1-1407-000CN | Tension spring - Provides tension for MP/Tray 1 | Find 11 |
| 12 | RC1-1407-000CN | Tension spring - Provides tension for MP/Tray 1 | Find 12 |
| 13 | RM1-0463-020CN | Front cover assembly - Front of printer including drop down MP/Tray 1 assembly | Find 13 |
Image Drive Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | Q1321-67925 | Electromagnetic clutch - K-drive development clutch - Clutch CL2 | Find 1 |
| 2 | RM1-0415-040CN | Image drive assembly - Vertical gear drive assembly on front right side of printer | Find 2 |
Internal Components (1 of 4)

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1603-000CN | Right joint plate - Top right rear metal cover support | Find 1 |
| 2 | RC1-1605-000CN | Screw cover - Clear plastic cover with three bubbles to protect screw heads - Peel off backing adhesive for mounting | Find 2 |
| 3 | RM1-0505-000CN | High voltage power supply assembly - Large PC board located on left side of printer | Find 3 |
| 4 | RC1-1642-020CN | Left front swing rail - White plastic left inside swing rail | Find 4 |
| 5 | RC1-1175-000CN | Interlock switch arm - Located at top right corner of printer frame | Find 5 |
| 6 | RM1-0438-000CN | Right swing guide assembly - Black plastic guide on lower right side | Find 6 |
| 7 | RM1-0440-000CN | Electrical connector for fuser assembly - Located on lower left side of printer frame - Includes cable from DC controller board | Find 7 |
| 8 | RM1-0446-000CN | Developing contact assembly - Large black plastic frame on left side with multiple contact springs | Find 8 |
| 9 | RC1-1572-000CN | Left damper unit - Round white pivot point for left side front door - Provides friction for front door opening | Find 9 |
| 10 | RC1-1573-000CN | Right damper unit - Round white pivot point for right side front door - Provides friction for front door opening | Find 10 |
| 11 | RM1-0445-000CN | Transfer contact assembly - Electrical contact assembly for ITB (Image Transfer Belt) | Find 11 |
| 12 | RC1-1342-000CN | Wire harness guide - Protects wire harness that goes through lower right front corner of printer | Find 12 |
| 13 | RC1-1515-000CN | Tension spring - Provides tension for pickup gear assembly on right side | Find 13 |
| 14 | RL1-0215-000CN | Front left hinge stop - Metal stop on left front frame bottom for front door hinge | Find 14 |
| 15 | RL1-0216-000CN | Front right hinge stop - Metal stop on right front frame bottom for front door hinge | Find 15 |
| 16 | RM1-0485-000CN | High voltage cable - From high voltage PC board to DC controller board | Find 16 |
Internal Components (2 of 4)

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1284-000CN | Cluster gear - 31 tooth/19 tooth gear mounted in gear assembly on right side of printer | Find 1 |
| 2 | RC1-1300-000CN | Cluster gear - 54 tooth/17 tooth gear mounted in gear assembly on right side of printer | Find 2 |
| 3 | RC1-1302-000CN | 79 tooth gear - Large gear mounted in gear assembly on right side of printer | Find 3 |
| 4 | RC1-1353-000CN | Motor cover - Black plastic cover for feed motor M1 | Find 4 |
| 5 | RC1-1488-000CN | Connector cover - Black plastic connector cover for feed motor M1 | Find 5 |
| 6 | RC1-1497-000CN | 25 tooth gear - Mounted in gear assembly on right side of printer | Find 6 |
| 7 | RC1-1500-000CN | Drive shaft - Roller shaft that supports the paper cassette pickup rollers | Find 7 |
| 8 | RC1-1355-000CN | Mounting plate - | Find 8 |
| 9 | RC1-1630-000CN | Gear bushing - Bushing for 25 tooth gear on right side of printer | Find 9 |
| 10 | RC1-1649-000CN | Grounding plate - Ground for registration clutch CL1 | Find 10 |
| 11 | RC1-1186-000CN | Clutch mount - Registration clutch (CL1) mount plate | Find 11 |
| 12 | RM1-0731-050CN | Paper pickup roller assembly - Includes the |D| shaped rubber roller on a plastic shaft - Mounts in the lower center of the center frame assembly - | Find 12 |
| 13 | XD2-1100-322CN | E-ring retainer clip | Find 13 |
| 14 | RC1-1294-000CN | 43 tooth gear - 43 tooth gear mounted in gear assembly on right side of printer | Find 14 |
| 15 | RC1-1295-000CN | 27 tooth gear - 27 tooth gear mounted in gear assembly on right side of printer | Find 15 |
| 16 | RC1-1224-000CN | Cluster gear - 50 tooth/90 tooth gear mounted in gear assembly on right side of printer | Find 16 |
| 17 | RK2-0158-000CN | Low Voltage power supply - Located on bottom left side of printer - 220 volt | Find 17 |
| 18 | RL1-0193-000CN | Drive plate - Paper feeder gear drive assembly plate - Metal plate on lower right side of printer that gears for paper feeder drive are attached to | Find 18 |
| 19 | RC1-2334-000CN | Cable guide - Guide for cable in lower right front corner | Find 19 |
| 20 | RC1-1281-000CN | 39 tooth gear - 39 tooth gear mounted in gear assembly on right side of printer | Find 20 |
| 21 | RC1-1283-000CN | Cluster gear - 26 tooth/47 tooth gear mounted in gear assembly on right side of printer | Find 21 |
| 22 | RC1-1286-000CN | Cluster gear - 45 tooth/25 tooth gear mounted in gear assembly on right side of printer | Find 22 |
| 23 | RC1-1287-000CN | Gear holder - Pivot gear holder for 104/25 cluster gear and | Find 23 |
| 24 | RC1-1288-000CN | 38 tooth gear - 38 tooth gear mounted in gear assembly on right side of printer | Find 24 |
| 25 | RC1-1291-000CN | Cluster gear - 104 tooth/25 tooth gear mounted in gear assembly on right side of printer | Find 25 |
| 26 | RC1-1292-000CN | Tension spring - Provides tension for gear holder that holds 104/25 tooth cluster gear | Find 26 |
| 27 | RC1-1493-000CN | 20 tooth gear - 20 tooth gear mounted in gear assembly on right side of printer | Find 27 |
| 28 | RC1-1298-000CN | Cluster gear - 26 tooth/22 tooth/20 tooth gear mounted in gear assembly on right side of printer | Find 28 |
| 29 | RC1-1665-000CN | Cover - Solenoid cover for SL2 on right front of printer | Find 29 |
| 30 | RC1-2379-000CN | Cover shield - Cover shield for registration clutch CL1 and mount | Find 30 |
| 31 | RL1-0217-000CN | Gear support - Pickup roller drive gears support - Piece that the 43 tooth and 27 tooth gears are mounted to on lower right front of printer | Find 31 |
| 32 | XD9-0234-000CN | E-Type retainer ring - E-ring retainer for 45 tooth/25 tooth cluster gear at right rear of printer | Find 32 |
| 33 | RM1-0482-000CN | CPR connecting cable - From DC controller to PS12/Color Misregistration sensor | Find 33 |
| 34 | RM1-0498-000CN | Formatter power supply cable - From Low Voltage power supply to DC controller board | Find 34 |
| 35 | RM1-0488-000CN | Front left cable - DC Controller to PS5/Media sensor | Find 35 |
| 36 | RK2-0247-000CN | Electromagnetic clutch - Registration clutch - CL1 | Find 36 |
| 37 | WT2-5841-000CN | Cable clip - Push in white plastic stand off for cables - Push in stand off for cables on right side of printer - Nine used on right side | Find 37 |
| 38 | WT2-5841-000CN | Cable clip - Push in white plastic stand off for cables - Push in stand off for cables on right side of printer - Nine used on right side | Find 38 |
| 39 | VS1-7177-002CN | Fuser electrical connector | Find 39 |
| 40 | RK2-0141-000CN | Electromechanical solenoid - Tray 1 Pickup solenoid - Engages Tray 1 pickup roller - SL1 | Find 40 |
Internal Components (3 of 4)

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1156-000CN | Left guide rod - Front inside portion of white plastic swing guide rod assembly | Find 1 |
| 2 | WP2-5187-000CN | Humidity sensor assembly - Located at bottom of left side ETB fan duct | Find 2 |
| 3 | RC1-1177-000CN | Grounding spring - Ground spring located on left guide rod assembly | Find 3 |
| 4 | RM1-0419-020CN | Drive assembly - Developer disengaging planetary gear drive assembly - Located on lower front right side of printer | Find 4 |
| 5 | RC1-2437-000CN | Cable retaining sheet - Black dense foam rubber that provides tension for connector | Find 5 |
| 6 | RM1-0493-000CN | Environment sensor cable - Cable between humidity sensor and DC Controller board | Find 6 |
| 7 | RC1-1252-000CN | Cluster gear - 120 tooth/17 tooth - Large gear in developer disengaging drive assembly | Find 7 |
| 8 | RM1-0441-000CN | Left swing rod assembly - Plastic arm with metal insert | Find 8 |
| 9 | RM1-0442-000CN | Right swing rod assembly | Find 9 |
| 10 | RC1-1345-000CN | Upper left rear air duct - Housing for exhaust fan FM1 | Find 10 |
| 11 | RC1-1350-000CN | Upper left rear fan duct to printer frame mount | Find 11 |
| 12 | RK2-0153-000CN | Cooling fan - Fan FM1 - Located on upper left rear of printer | Find 12 |
| 13 | WT2-5841-000CN | Cable clip - Push in white plastic stand off for cables - Push in stand off for cables on right side of printer - Nine used on right side | Find 13 |
| 14 | RC1-1170-000CN | Left drum lock arm - Black plastic drum lock arm for black toner cartridge | Find 14 |
| 15 | RC1-1184-000CN | Tension spring - Provides tension for top left drum lock arm | Find 15 |
| 16 | RC1-1628-000CN | Tension spring - Provides tension to the color drum lock arms on left side - Three used | Find 16 |
| 17 | RM1-0439-020CN | Left side swing frame assembly - Black plastic frame with cartridge guide on right side with cartridge electrical contacts | Find 17 |
| 18 | RM1-0437-040CN | Right side swing frame assembly - Right toner cartridge guide - Black plastic with cartridge guide on right side with color labels | Find 18 |
Internal Components (4 of 4)

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1181-000CN | Cable guide - Located in front of DC Controller board | Find 1 |
| 2 | RC1-1213-000CN | Cluster gear - 86-tooth/23-tooth gear - Mounted in gear assembly on right rear side of printer | Find 2 |
| 3 | RC1-1602-000CN | Right rear corner top cover support | Find 3 |
| 4 | RM1-0510-050CN | DC controller board assembly - Located on rear lower left of printer - For LJ3500 | Find 4 |
| 5 | RC1-2236-000CN | Controller cover - DC Controller board cover | Find 5 |
| 6 | RC1-2235-000CN | DC Controller board mounting base | Find 6 |
| 7 | RC1-1354-000CN | Air duct - Plastic air duct below laser scanner assembly | Find 7 |
| 8 | RC1-1348-000CN | DC controller board mounting plate | Find 8 |
| 9 | RC1-1347-000CN | Power switch rod - Mechanical link between power switch on front of printer and DC controller board | Find 9 |
| 10 | RM1-1480-000CN | Laser scanner assembly - All four scanners in one assmbly at back of printer | Find 10 |
| 11 | RC1-1593-000CN | Test print connecting block - Engine test button on left side of printer | Find 11 |
| 12 | RC1-2364-000CN | Formatter cable cover - Metal cover for the ribbon cable between the formatter and the DC Controller board | Find 12 |
| 13 | RC1-2422-000CN | High temperature warning label - Applied to air duct above fuser assembly at bottom rear of printer | Find 13 |
| 14 | WT2-0507-000CN | Cable holder - Secures cable at left rear side near DC controller board - Small white plastic cable support | Find 14 |
| 15 | RK2-0150-000CN | Microswitch - Front door open switch on top front left of printer - Switch SW1 | Find 15 |
| 16 | RM1-0477-000CN | Sensor cable - Cable for Feed Delivery sensor PS8 | Find 16 |
| 17 | WT2-5738-000CN | Cable holder - Secures cable at left front side near DC controller board - White plastic stand-off/holder | Find 17 |
| 18 | RK2-0179-000CN | Ribbon cable - Connects DC controller board to Formatter board | Find 18 |
| 19 | RK2-0163-000CN | TM FFC cable - Connects DC controller board to Memory controller board | Find 19 |
| 20 | WT2-5754-000CN | Cable holder - Secures cable at top of DC controller board - Large white plastic cable support | Find 20 |
| 21 | RK2-0165-000CN | Laser scanner cable - Shorter cable from DC controller to upper board on Laser scanner assembly | Find 21 |
| 22 | RK2-0164-000CN | Laser scanner cable - Longer cable of the two cables that run from DC controller to lower PC board on Laser scanner assembly | Find 22 |
| 23 | RM1-0495-000CN | Main cable - Large cable connected to DC controller board | Find 23 |
| 24 | RM1-0430-090CN | Image fusing assembly - Bonds toner to paper with heat - For 220V to 240VAC operation | Find 24 |
| 25 | RM1-0744-000CN | Face-down delivery assembly - Large black plastic assembly on back of printer | Find 25 |
Left Side Plate Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1049-000CN | Sensor holder - Mount for toner hopper full sensor (PS13) and associated lens | Find 1 |
| 2 | RC1-1050-000CN | Lens - Optical lens used with toner hopper full (PS13) sensor - Two used | Find 2 |
| 3 | RC1-1151-000CN | Contact plate - Grounding plate on left side for Yellow toner cartridge | Find 3 |
| 4 | RC1-1152-000CN | Contact plate - Grounding plate on left side for Black toner cartridge | Find 4 |
| 5 | RC1-1153-000CN | Contact plate - Grounding plate on left side for Cyan toner cartridge | Find 5 |
| 6 | RC1-1155-000CN | Contact plate - Grounding plate on left side for Magenta toner cartridge | Find 6 |
| 7 | RC1-1169-000CN | Left drum lock arm - Black plastic drum lock arm for Cyan cartridge | Find 7 |
| 8 | VS1-7207-016CN | 16 pin connector - Intermediate connector used between DC controller board and multiple sensors/solenoids | Find 8 |
| 9 | RM1-0509-000CN | Sensor assembly - Waste toner hopper full sensor (PS13) assembly - Does not include lenses or mounting plate | Find 9 |
| 10 | RC1-1185-000CN | Tension spring - Provides tension for black plastic drum lock arms | Find 10 |
| 11 | RC1-1622-000CN | Left drum lock arm - Black plastic drum lock arm for Yellow cartridge | Find 11 |
| 12 | RC1-1623-000CN | Left drum lock arm - Black plastic drum lock arm for Magenta cartridge | Find 12 |
| 13 | RC1-1625-000CN | Damper strap - Three used | Find 13 |
| 14 | RC1-1626-000CN | Left stopper arm - White plastic arm on inside top left inside frame | Find 14 |
| 15 | RC1-1627-000CN | Left stopper arm - | Find 15 |
| 16 | RC1-2330-000CN | Pad - Small black foam piece that provides cushioning for cartridge arms - Three used | Find 16 |
| 17 | RC1-1641-000CN | Left rear swing rail - Rear portion of left swing rail | Find 17 |
| 18 | RC1-1647-020CN | Left swing lock lever - Swing lock lever just below Yellow toner cartridge | Find 18 |
| 19 | RC1-1648-000CN | Tension spring - Provides tension for left swing lock lever | Find 19 |
| 20 | RC1-2330-000CN | Pad - Small black foam piece that provides cushioning for cartridge arms - Three used | Find 20 |
| 21 | WG8-5624-000CN | Photo-sensor (TLP1241) - Sensor flag activated - | Find 21 |
Lower Frame Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1496-000CN | Sensor holder - Holder for duplexing paper feed sensor (PS10) assembly | Find 1 |
| 2 | RC1-2322-000CN | Cable guide - Cable guide on right rear portion of lower frame assembly - Black plastic 90 degree bend guide | Find 2 |
| 3 | RC1-2323-000CN | Cable guide - Cable guide on left middle portion of lower frame assembly - Black plastic double 90 degree bend guide | Find 3 |
| 4 | RC1-1491-000CN | Left cassette guide - Left side cassette guide for 250 sheet Tray 2 | Find 4 |
| 4 | RC1-1511-000CN | Solenoid mount - (4.1) | Find 4 |
| 5 | RM1-0459-000CN | Front support foot - Black plastic support foot for front of Tray 2 - Two used | Find 5 |
| 6 | RM1-0460-000CN | Paper feed guide assembly - Paper guide assembly in bottom of printer | Find 6 |
| 7 | RC1-2237-000CN | Lower frame cover - Bottom cover for 250 sheet/Tray 2 | Find 7 |
| 8 | RC1-2428-000CN | Rear support foot - Black plastic support foot for rear of Tray 2 - Two used | Find 8 |
| 9 | WG8-5624-000CN | Photo-sensor (TLP1241) - Sensor flag activated - | Find 9 |
| 10 | RM1-0497-000CN | Lower frame cable - Cable under 250 sheet tray/Tray 2 | Find 10 |
| 11 | RC1-1306-000CN | Cable guide - Cable guide on right side of 250 sheet/Tray 2 frame | Find 11 |
| 12 | RC1-1637-000CN | Grounding plate - Ground connection on bottom of left cassette guide assembly | Find 12 |
| 13 | RM1-0496-000CN | Option connecting cable - | Find 13 |
| 14 | VS1-6176-006CN | 250/500 sheet feeder connector | Find 14 |
| 15 | RC1-1509-000CN | Grounding plate - Ground contact on front outside of right side 250 sheet/Tray 2 cassette guide | Find 15 |
| 16 | RC1-1508-000CN | Grounding plate - Ground contact on front inside of right side 250 sheet/Tray 2 cassette guide | Find 16 |
| 17 | RC1-1492-000CN | Right cassette guide - Right side cassette guide for 250 sheet Tray 2 | Find 17 |
PC Board Locations

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RM1-0510-050CN | DC controller board assembly - Located on rear lower left of printer - For LJ3500 | Find 1 |
| 2 | RM1-0508-030CN | Memory controller PC board assembly - E-label and waste toner full controller | Find 2 |
| 3 | RM1-0505-000CN | High voltage power supply assembly - Large PC board located on left side of printer | Find 3 |
| 4 | RK2-0158-000CN | Low Voltage power supply - Located on bottom left side of printer - 220 volt | Find 4 |
| 5 | Q1319-67903 | Formatter board assembly - For LaserJet 3500/3550 | Find 5 |
| 6 | RM1-0511-000CN | Operation panel assembly - Control panel PC board | Find 6 |
Pickup/Feed Assembly (1 of 2)

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RM1-0739-020CN | Separation pad assembly - For Tray 2 - Includes pad holder and separation pad | Find 1 |
| 2 | RM1-0740-000CN | Transfer roller assembly - T2 transfer roller, bushings and holders | Find 2 |
| 3 | RC1-1433-000CN | Mechanical clutch - Transfer roller gear assembly lift mechanism clutch - Located on right side of T2 transfer roller | Find 3 |
| 4 | RC1-0939-000CN | Multi-purpose/tray 1 separation pad - Does not include holder | Find 4 |
| 5 | RC1-1535-000CN | Pickup roller - Tray 1/MP Tray pickup roller | Find 5 |
| 6 | WG8-5624-000CN | Photo-sensor (TLP1241) - Sensor flag activated - | Find 6 |
Pickup/Feed Assembly (2 of 2)

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RK2-0145-000CN | Electromagnetic solenoid - Secondary transfer roller engaging solenoid - SL4 | Find 1 |
| 2 | RC1-1456-000CN | Sensor lever - Tray 1 paper sensor flag - Mechanical link for photosensor PS1 | Find 2 |
| 3 | RC1-1464-000CN | Torsion spring - Provides pressure for Tray 1 paper sensor flag | Find 3 |
| 4 | RM1-0742-000CN | Media sensor assembly - Paper type sensor assembly - Includes sensor PS5 | Find 4 |
| 5 | WG8-5624-000CN | Photo-sensor (TLP1241) - Sensor flag activated - | Find 5 |
| 6 | RK2-0141-000CN | Electromechanical solenoid - Tray 1 Pickup solenoid - Engages Tray 1 pickup roller - SL1 | Find 6 |
Right Side Plate Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RC1-1148-000CN | Right side swing lock - Black plastic swing guide arm lever | Find 1 |
| 2 | RC1-1149-000CN | Tension spring - Provides tension for right side swing lock | Find 2 |
| 3 | RK2-0139-000CN | Electric motor - Transfer roller engaging motor - Motor M5 | Find 3 |
| 4 | RC1-1231-000CN | 59 tooth gear - 59 tooth gear mounted in gear assembly on right side of printer - Two used | Find 4 |
| 5 | RC1-1218-000CN | Gear bushing - White plastic bushing for 29 tooth gears on front right inside mounting plate - Four used | Find 5 |
| 6 | RC1-3240-000CN | 74 tooth gear - White plastic 74 tooth gear mounted in gear assembly on right side of printer | Find 6 |
| 7 | RC1-1229-000CN | Cluster gear - 90-tooth/28-tooth gear - Mounted in gear assembly on right rear side of printer | Find 7 |
| 8 | RC1-1230-000CN | 74 tooth gear - Black plastic 74 tooth gear mounted in gear assembly on right side of printer - Four used | Find 8 |
| 9 | RC1-1233-000CN | 69 tooth gear - 69 tooth gear mounted in gear assembly on right side of printer | Find 9 |
| 10 | RC1-1234-000CN | 29 tooth gear - White plastic toner drive gear mounted in gear assembly on right side of printer - Four used | Find 10 |
| 11 | RC1-1242-000CN | Gear reinforcement plate - Mounting plate for 29-tooth gears on front right inside mounting plate - Four used | Find 11 |
| 12 | RC1-1243-000CN | Bushing - White plastic gear bushing | Find 12 |
| 13 | RC1-1244-000CN | Bushing - Four bushings used on outside drive plate - One each | Find 13 |
| 14 | RC1-1246-000CN | Right drum lock arm - Right side lock arm for Yellow toner cartridge | Find 14 |
| 15 | RC1-1248-000CN | Intermediate Transfer Belt (ITB) coupling lever - White plastic lever with eight gear teeth | Find 15 |
| 16 | RC1-1259-000CN | Tension spring - Provides tension for right drum lock arm - Four used | Find 16 |
| 17 | RC1-1260-000CN | Tension spring - Provides tension for ITB (Image Transfer Belt) coupler at top right front of printer frame | Find 17 |
| 18 | RK2-0137-000CN | Paper feed motor - Located on lower left front of main right side plate assembly - Motor M1 | Find 18 |
| 19 | RC1-1277-000CN | Metal gear mounting plate - Vertical piece the supports gear assembly on outside of right side printer frame | Find 19 |
| 20 | RK2-0138-000CN | Delivery motor - Motor M2 | Find 20 |
| 21 | RC1-1310-000CN | Bushing - White plastic gear bushing | Find 21 |
| 22 | RC1-1362-000CN | Right drum lock arm - Right side lock arm for Cyan toner cartridge | Find 22 |
| 23 | RC1-1537-000CN | Grounding spring - Grounding spring for right drum lock arm | Find 23 |
| 24 | RC1-1545-000CN | Right drum lock arm - Right side lock arm for Magenta toner cartridge | Find 24 |
| 25 | RC1-1546-000CN | Right arm stopper | Find 25 |
| 26 | RM1-0737-000CN | Developing motor - Located on upper right side inside frame - Motor M4 | Find 26 |
| 27 | RC1-1548-000CN | Provides tension for rigth stopper arm - Three used | Find 27 |
| 28 | RC1-1629-000CN | Grounding plate | Find 28 |
| 29 | RC1-1662-000CN | Right rear swing rail - | Find 29 |
| 30 | RC1-2294-000CN | Grounding plate - Metal grounding contact on inside lower front right side | Find 30 |
| 31 | RC1-2331-000CN | Cushion pad - Small black foam rubber rectangle shaped pad | Find 31 |
| 32 | RL1-0189-000CN | Mounting plate - Pivot point for ITB coupling lever | Find 32 |
| 33 | VS1-7207-016CN | 16 pin connector - Intermediate connector used between DC controller board and multiple sensors/solenoids | Find 33 |
| 34 | RM1-0733-000CN | Drum motor - Provides power to turn cartridge drums - Motor M3 | Find 34 |
| 35 | RC1-2330-000CN | Pad - Small black foam piece that provides cushioning for cartridge arms - Three used | Find 35 |
| 36 | RC1-1038-000CN | Tray 1/MP Tray damper - Dampens movement on right side of drop down Tray 1 - White plastic gear mounted on a black plastic arm | Find 36 |
Tray 2 Cassette Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RB2-3003-040CN | Plate end - Movable end plate at back of Tray 2 paper cassette | Find 1 |
| 2 | RS6-2021-000CN | Pad spring - Provides tension for separation pad on front of paper tray | Find 2 |
| 3 | RC1-0954-000CN | Separation pad assembly in front portion of 250 sheet tray | Find 3 |
| 4 | RM1-0470-030CN | 250 Sheet tray - Tray 2 paper holding cassette assembly | Find 4 |
Tray 3 Pickup Drive Assembly

| Pic No. | Parts ID | Parts Name | Link |
| 1 | RM1-0707-000CN | Swing assembly - Includes the paper feed clutch assembly and the printer driven gear in a spring loaded arm - Mounts on the right side of the center frame assembly in the 500-sheet paper feeder assembly | Find 1 |
| 2 | RM1-0768-000CN | Feed driver board assembly - Small interconnecting board - Mounts on the right side of the center frame assembly | Find 2 |
| 3 | RM1-0701-000CN | Paper pickup drive assembly - Includes a metal plate with the paper feeder pickup clutch, paper feeder pickup solenoid, feed drive board, pickup roller drive shaft, and drive gears - Mounts on the right side of the center frame assembly | Find 3 |

