Instruction manual

5–19
Replacement Procedures and
Illustrated Parts List
Fan Assembly, Hammer Bank
Removal
1. Prepare the printer for maintenance (page 4–2).
2. Remove the shuttle cover assembly (page 5–16).
3. Remove the control panel bracket assembly (page 5–57, Figure 5–9).
4. Remove the paper path (page 5–29).
5. Trace the hammer bank fan cable assembly back to the controller board
connector P107, releasing it from all cable constraints. (See the cable
routing diagram on page A–10.)
6. Disconnect the fan connector from connector shell J107 on the controller
board.
7. 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 air shroud. (See Figure 5–15, page 5–69.)
Installation
CAUTION
Make sure to install the fan so the label faces up. Air flow is up.
1. Feed the hammer bank fan cable connector and motor wires between the
fan well of the base casting and the air shroud. Reach up under the base
casting and route the fan cable to the right and angle the hammer bank
fan assembly down into the fan well. (See Figure 5–11, page 5–61.)
2. Route the motor wires as shown in Figure 5–11 (page 5–61) and connect
the hammer bank fan cable connector to J107 on the controller board.
3. Install the paper path (page 5–29).
4. Install two screws in the locations shown in Figure 5–11 (page 5–61).
5. Install the control panel bracket assembly (page 5–57, Figure 5–9).
6. Install the shuttle cover assembly (page 5–16).
7. Return the printer to normal operation (page 4–3).