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
Summary of Contents for 4247
Page 1: ...4247 Printers Maintenance Information Document Number SA24 4400 05 Part Number 27P8450 IBM ...
Page 241: ...e90apc15 Figure 24 Main Input Power Supply Ground Chapter 3 Circuit Diagrams 241 ...
Page 257: ...Figure 32 Stacker Motor Wiring Chapter 3 Circuit Diagrams 257 ...
Page 261: ...Stacker Cable Wiring Figure 36 Tractor Assembly Cable Wiring Chapter 3 Circuit Diagrams 261 ...