Oki COLOR 8 User Manual
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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. Print the Printer MENU.
2. Turn the printer OFF. Remove the AC power cord and parallel interface cable (AC power cord, network interface cable and 18-inch parallel interface cable in a network configuration).
3. Raise the upper cover.
4. Removing the Right Side Cover (Figure 1)
• Remove the two screws (A).
• While lifting the Side Cover (B), pull the top of the
Side Cover away from the printer.
Figure 1
5. Removing the Shield (Figure 2)
• Remove the three screws (A).
• Detach the Shield (B).
NOTE
:
The Shield is keyed at the bottom edge.
B
B
Figure 2
6. Removing the Controller Board and Card Cage (Figure 3)
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• 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).
• Remove the two screws (C) from the top of the Card Cage.
• Detach the copper grounding strip (D).
INSTALLATION NOTE:
Note the position of the copper strip for installation
• Remove the screw (E - Refer to Figure 4) located at the back of the printer.
• Detach the Ribbon Cable (F - Refer to Figure 3).
INSTALLATION NOTE:
The BLUE side of the cable is toward the front of the printer.
• Remove the two screws (G) from the side of the printer.
• Pull the bottom, right side of the Controller Board/Card Cage Assembly toward you to detach
the connector from the Engine Board.
• Remove the Controller Board and Card Cage as one unit and place it off to the side.
G
NOTE:
Do NOT detach the Fan Cable from the Engine Board.
D
C
E
F
Figure 4
1
2
3
Figure 3
B
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