HP Color LaserJet 2820
| 2830 | 2840 All-In-One Printer Series
250 Sheet Tray Center Frame Assembly Diagram
250 Sheet Tray Center Frame Assembly Diagram
| REF | DESCRIPTION | |
|---|---|---|
| Center support frame (black plastic) - Support structure for the paper pickup roller, feed roller, and paper sensors - Mounts to the top front of both of the support frame/cover assemblies on the base of the 250-sheet input tray assembly | ||
| Top inner cover (black plastic) - Covers the back half of the pressure roller arms and springs - For the base on the 250-sheet input tray assembly | ||
| Bottom inner cover (Black) plastic - One covers the paper feed sensor in the center and the other covers sensor wires toward the right side - Mounts on the bottom of the center frame assembly of the 250-sheet input tray assembly (two used) | ||
| 15 tooth Gear (white plastic) - Mounts on the end of the feed roller shaft in the base on the 250-sheet input tray assembly | ||
| 26 tooth gear - White gear with 1/8th portion of gear cut away and pin for spring tensioning - Mounts on the end of the paper pickup roller in the base on the 250-sheet input tray assembly | ||
| Compression spring - Provides pressure for the pressure rollers on the center frame assembly (two used) - For the base on the 250-sheet input tray assembly | ||
| Tensioning spring - Goes between the hook on the pin on the paper pickup roller drive gear and a pin on the center frame assembly - For the base on the 250-sheet input tray assembly | ||
| Shaft bushing - Mounts on the gear end of the feed roller shaft in the base on the 250-sheet input tray assembly | ||
| Pickup roller spring hook - Clips on the pin of the drive gear for the pickup roller and hooks the tensioning spring - For the base on the 250-sheet input tray assembly | ||
| Torsion spring - Provides a small amount of back pressure for the paper sensor flag - For the base on the 250-sheet input tray assembly | ||
| Guide roller (Free spinning white plastic roller) - Mounts on the paper pickup drive shaft on each side of the pickup 'D' shaped roller - For the base on the 250-sheet input tray assembly | ||
| Sensor PC board - Small board with flag activated photo sensor - (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 | ||
| Shaft bushing/retainer - Right side pickup roller support bushing - Mounts on and retains the right end of the pickup roller shaft - For the base on the 250-sheet input tray assembly | ||
| Shaft bushing/retainer - Left side pickup roller support bushing - Mounts on and retains the left end of the pickup roller shaft - For the base on the 250-sheet input tray assembly | ||
| Shaft bushing/retainer - Mounts on the gear side of the drive shaft for the paper pickup roller assembly - For the base on the 250-sheet input tray assembly | ||
| 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 | ||
| Feed roller assembly - Includes the metal shaft and two small rubber rollers - Feeds paper from the paper cassette into the printer - Mounts on the top of the center frame in the base on the 250-sheet input tray assembly | ||
| Shaft mounted sensor flag (black plastic) - For the paper out sensor - Mounts on the paper pickup roller drive shaft - For the base on the 250-sheet input tray assembly | ||
| Mechanical sensor flag (black plastic) - For the paper feed sensor - Mounts on top of the center frame assembly - For the base on the 250-sheet input tray assembly | ||
| Solenoid cover/magnetic shield - Mounts on the right end of the center frame assembly (over the pickup solenoid) - For the base on the 250-sheet input tray assembly | ||
| Grounding plate - Grounds the paper feed roller - Mounts towards the right end of the center frame assembly - For the base on the 250-sheet input tray assembly | ||
| Paper pickup roller kit - Includes the paper pickup roller assembly, the two free-wheeling guide rollers, the cassette separation pad assembly, and the spring for the paper lift plate in the cassette assembly - For the 250-sheet input tray assembly | ||
| Paper pickup roller assembly - Includes the 'D' shaped rubber roller on a plastic shaft - Mounts in the lower center of the center frame assembly - For the base on the 250-sheet input tray assembly | ||
| Pressure roller and arm assembly - Includes the small white roller, the holding arm, and roller scraper - Rolls against the rubber feed rollers (two used) - For the base on the 250-sheet input tray assembly | ||
| Solenoid assembly - Tray 3 (SL95) - (SL9) Lever on the solenoid disengages the stop on the drive gear on the paper pickup roller - For the base on the 250-sheet input tray assembly | ||
| Cable assembly - From paper out sensor (PS716) to the small interconnecting PC board on the right side frame/cover assembly - For the base on the 250-sheet input tray assembly | ||
| Cable assembly - From sensor (PS717) (which senses paper feeding from optional tray 3) to the small interconnecting PC board on the right side frame/cover assembly - For the base on the 250-sheet input tray assembly |