HP LaserJet 2420
Internal Components (1
of 4) Diagram
| REF | DESCRIPTION | |
|---|---|---|
| Laser/Scanner assembly - Mounts on top of print structure | ||
| Plastic duct that vents air from the lower right front fan to the laser/scanner. | ||
| Compression spring - Spring provides pressure to the laser shutter which when pulled back (spring is compressed) enables the laser scanner shutter by pressing up the plastic mechanical link on the underside of the laser/scanner assembly | ||
| Laser shutter link - Enables the laser scanner shutter by pressing up this link on the underside of the laser/scanner assembly | ||
| Small vent duct to route air from the fan (FM2) to the cartridge area | ||
| Machine screw with attached washer - M3, 6mm - Used to hold plastic to metal | ||
| Left upper toner cartridge guide | ||
| Cartridge clamp lever - Attaches to upper left toner cartridge guide - Provides mechanical lock for toner cartridge | ||
| Left middle guide - Small black plastic cassette guide on left side of printer | ||
| Cartridge lever - Link that pushes contact cam and protective plate when cartridge is inserted | ||
| Left lower toner cartridge guide | ||
| Left front guide - Small black plastic piece on front left side of chassis in Tray 2 cassette guide slot | ||
| Rubber foot - For bottom of printer - Three used | ||
| Front base plate - Metal plate that fits under fuser assembly | ||
| Door arm - White plastic arm that connects to left side cartridge access door | ||
| Tension spring - Provides tension for cartridge access door arm | ||
| Door arm guide - White plastic guide for cartridge door lever | ||
| Grounding contact - Tiny U-shaped metal cartridge grounding contact - Contacts copper grounding strip on left side of toner cartridge | ||
| Torsion spring - Tiny spring that attaches to small metal U-shaped cartridge grounding contact - Front cartridge contact spring | ||
| Grounding contact lever - Lever on left side that is moved by contact when the toner cartridge is installed | ||
| Grounding contact lever - Lever on left side that pushes both contact springs against toner cartridge contacts on left side of cartridge | ||
| Leaf spring - Leaf spring that provides electrical connection to left side of toner cartridge | ||
| Compression spring - Provides pressure to grounding contact link on left side of cartridge guide - Pushes link arm away when cartridge is removed | ||
| Torsion spring - Provides pressure to move protective plate back into cartridge compartment when the cartridge is removed | ||
| Tension spring - Provides tension for cartridge clamp lever that holds lefts side of cartridge in a stable position when inserted | ||
| Connector (3-pin) | ||
| Protective plate | ||
| Contact cam - Vertical piece that inserts into protective plate | ||
| Cooling fan - Fan FM2 - Located on lower left side of printer | ||
| Fan holder - FM2 fan holder housing | ||
| Snap-in cable clamp | ||
| Plate holder - Holds the left rear corner of the paper access plate (duplex pan) | ||
| Cassette guide - Rear left black plastic paper cassette guide | ||
| Cassette guide - Right front side black plastic paper cassette guide | ||
| Cassette guide - Right rear black plastic paper cassette guide | ||
| Reader holder cover - Plastic housing that covers cartridge E-label reader and holder assembly | ||
| Compression spring - Provides pressure for E-reader holder | ||
| Reader holder - E-label reader holder - Housing that holds cartridge E-label reader | ||
| Reader and cable - E-label reader contact mechanism - Connection to read data from toner catrtridge - Includes cable | ||
| Engine controller assembly - Engine controller PC board and metal pan - 110/127 VAC | ||
| Engine controller assembly - Engine controller PC board and metal pan - 220/240 VAC |