IBM 4247-003 Maintenance Manual - Page 396
Twinax Attachment Card - Models 001, and 002, Removal
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Twinax Attachment Card - Models 001, and 002 Removal Attention: The electronic parts of this printer can be damaged by electrostatic discharge (ESD). Ensure that ESD protection devices and procedures, including a static discharge wrist strap, are used while working on the printer. DANGER To prevent serious personal injury from electrical shock when connecting or disconnecting the interface cable, set the printer power switch to O (Off) and unplug the power cord. DANGER Do not connect or disconnect any communication port, teleport, attachment connector, or power cord during an electrical storm. 1. Disconnect the host cable. 2. Put the covers in the service position. See "Removing Covers" on page 275. 3. Remove the screws. 4. Slide the card away from the opening in the attachment plate and lift it up enough to disconnect the attachment cable from the logic board. 5. Disconnect the cable from the logic board and lift the card out of the printer. 6. Verify that the new attachment card has a microcode module installed. If not, you must transfer the module from the attachment card you are replacing to the new card. Chapter 5. Removals and Adjustments 396
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