Contact
Follow Precision Roller on Pinterest

HP LaserJet 4000 Removing Covers and External Components

Originally written for: HP LaserJet 4000
Also applies to: HP LaserJet 4000n, 4000se, 4000t, 4000tn, 4050, 4050n, 4050se, 4050t, 4050tn
  • Date:

These instructions explain removing the covers and external components of an HP Laserjet 4000 and similar models.

Contents
  1. Introduction
  2. Removing the Control Panel
  3. Removing the Front Side Cover
  4. Removing the Left Side Cover
  5. Removing the Rear Right Side Cover
  6. Removing the Rear Cover/Rear Output Bin
  7. Removing Tray 1 from the Front Cover
Introduction

This document explains how to remove exterior components such as covers and the control panel from your HP LaserJet 4000 printer.

Removing the Control Panel
  1. Using a flat-blade screwdriver, pry each side of the Control Panel upward.
     
  2. Remove the top of the Control Panel from the tab.
  3. Disconnect the ribbon cable from the Control Panel.
Removing the Front Right Side Cover
  1. Release the latch at the top center of the cover.
     
  2. Lift the cover straight up until it is free of the tabs at the bottom and the power switch rod, then pull it away from the printer.
Note: When you reinstall the front right side cover, be sure to reconnect the power switch rod.
Removing the Left Side Cover
  1. Open Tray 1.
  2. Release the latch on the left side cover from the inside of the printer. Release the catches on the front side of the cover.
     
  3. Lift the cover upward to release the front top side of the cover, then pull the cover away from the printer.
Removing the Rear Right Side Cover
Note: The Formatter and dual in-line memory modules (DIMMs) are located underneath the Right Side Cover.
  1. Grasp the cover by its rear lip and pull it firmly toward the rear of the printer until it stops.
     
  2. Remove the cover from the printer.
Removing the Rear Cover/Rear Output Bin
  1. Facing the rear of the printer, pinch the right side of the Rear Output Bin and release the hinge from the slot.
     
  2. Rotate the Bin upward and slide it to the right to release the left hinge.
Removing Tray 1 from the Front Cover
  1. Open Tray 1.
     
  2. Push outward on the two slot hinges to release the pins on Tray 1.
  3. Slide the Front Cover to the right and remove it from the three hinges on the bottom.
  4. To remove the Tray 1 Sensor Arm Cover, firmly pull both sides of the Tray 1 Sensor Arm Cover toward you until it releases from the shaft.
    Detail of Tray 1 Sensor Arm Cover
     
  5. Rotate Tray 1 downward and remove it from the two hinges.
Note: When you reinstall the Tray 1 Sensor Arm Cover be sure the Sensor Arms move freely.
  • Publisher: Precision Roller