Replacement Instructions OKICOLOR 8 Printer Engine Board Firmware Required Items: • #1 Phillips Screwdriver • Small Straight-Slot Screwdriver (or IC Removal Tool) • Upgraded Firmware Approximate Time to Complete: 45 minutes Caution: 1) Be sure to follow industry standard safety precautions for handling Electrostatic Sensitive components 1.
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6. Removing the Controller Board and Card Cage (Figure 3) • Remove the SIMMs (A). INSTALLATION NOTE: Be sure to install each SIMM in its original location. • Remove the three screws (B) from the bottom of the Card Cage. NOTE: You may have to remove the Network Interface Card to access screw (B3).
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7. Replacing the Printer Engine Board Firmware (Figure 5) • Remove the Printer Engine Board Firmware IC4 (A). • Install the upgraded Printer Engine Board Firmware. CAUTION: 1) Make sure that the notch in the replacement PROM aligns with the notch in the PROM socket.
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*** PLEASE READ THE ENTIRE INSTALLATION INSTRUCTIONS BEFORE PROCEEDING *** 8. Install the removed components (reverse the disassembly procedures) INSTALLATION NOTE: Make sure the Fan Connector has NOT become detached from the Engine Board. • Controller Board/Card Cage Assembly INSTALLATION NOTE: Make sure to insert the Ribbon Cable through the slot (located above the Fan) in the Card Cage.