HP LaserJet 3020 All-In-One Printer
Internal Components (2 of 3) Diagram
 

Print engine control board - RM1-0907 Laser/scanner assembly - RM1-0171
REF PART # DESCRIPTION
1 RM1-0171 Laser/scanner assembly - Does NOT include the laser shutter arm - Mounts on top of the print structure frame
2 RM1-0907 Print engine control board - Provides motor drive, paper motion monitoring and printing control - Mounts next to the laser/scanner assembly
For more information about the parts listed above go to  www.PrinterSupplies.com