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Chapter 5 Section I: Replacement Procedures
Fan Assembly, Hammer Bank
Removal
1. Prepare the printer for maintenance (page 132).
2. Remove the shuttle cover assembly (page 178).
3. Cabinet Models: Remove the paper path (page 199).
Pedestal Models: Remove the top cover assembly (page 179).
4. Trace the hammer bank fan cable assembly back to the controller board
connector P107, releasing it from all cable constraints. (See the cable
routing diagrams in Appendix A.)
5. Disconnect the fan connector from connector coupling shroud P107 on
the controller board. (See page 171.)
6. Remove the two screws securing the fan to the base casting. Angle the
hammer bank fan assembly up and out of the base casting and feed the
motor wires and cable connector out from between the base casting and
the base pan. (See page 244, items 21 and 22.)
Installation
CAUTION
Air flow is UP. Install the hammer bank fan so the label faces up.
1. Feed the hammer bank fan cable connector and motor wires between the
fan well of the base casting and the base pan. Reach up under the base
casting and route the fan cable to the right and angle the hammer bank
fan assembly under the shuttle motor and down into the fan well. (See
page 244.)
2. Route the fan motor wires (see cable routing diagrams, Appendix A) and
connect the fan cable connector to J107 on the controller board. (See
page 171.)
3. Install two screws in the locations shown in Figure 43 (page 244, item 21).
4. Cabinet Models: Install the paper path (page 199).
Pedestal Models: Install the top cover assembly (page 179).
5. Install the shuttle cover assembly (page 178).
6. Return the printer to normal operation (page 133).
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