HP LaserJet 3020
All-In-One Printer
PC Board Locations Diagram
PC Board Locations Diagram
| REF | DESCRIPTION | |
|---|---|---|
| Line interface unit (LIU) PC board - Provides telephone communications (for fax capabilities) to the printer - For the United States and World Wide EXCEPT Europe - Mounts on the right side of the printer just below the formatter board | ||
| Formatter board - Controls the logic and timing operation of the printer, translates the control panel input, and provides control of the scanner assembly - Does NOT include the LIU board - Mounts on the right side of the printer | ||
| Print engine control board - Provides motor drive, paper motion monitoring and printing control - Mounts next to the laser/scanner assembly |