Accessing The Printer Controller Board 83PRINTER OPTIONSA CCESSING T HEP RINTER C ONTROLLER B OARDThe printer Controller Board manages and controls allprinter functions. It is also the place where all the upgradekits, described later in this chapter, are installed.Use this procedure to get access to the Controller Board wheninstalling the following upgrades.• Printer Memory Upgrade• PostScript Level 2 Upgrade• IrDA and Serial Interface Upgrade• LocalTalk and Serial Interface Upgrade• 10/100Base-TX Network Interface UpgradeTo access the Controller Board:1. Turn off the printer.2. Pull out the 500-sheet Cassette tray (A).3. Disconnect all cables from printer.4. Position the printer so the right side of the printer can beworked on.5. Remove screws from the side cover then openback cover (B).6. Pull tab to release the side cover (C) .7. Slide side cover towards the back of the printer (D).8. Rotate the side cover away from printer (assure wire-snaps on the parallel port are not in the way), then lift theside cover away (E).9. Loosen top screw of controller board cover, removeremaining 4 screws, then remove the metal cover (F) .A B CD E FAccessing the Printer Controller Board
