HP LaserJet Pro 400 Service Manual - Page 71
Rear-door rib assembly (duplex product), Rear-lower cover. See
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Rear-door rib assembly (duplex product) Before proceeding, remove the following components: ● Right cover. See Right cover on page 23. ● Rear door. See Rear door (simplex product) on page 33 or Rear door (duplex product) on page 35. ● Rear upper cover. See Rear-upper cover (duplex product) on page 30. ● Rear-lower cover. See Rear-lower cover and rear-door links (duplex product) on page 41. Remove the rear-door rib assembly (duplex product) NOTE: The duplex fan (FM2) is a component of the rear-door rib assembly. 1. Disconnect one connector (callout 1). TIP: The PCA can be dislodged when disconnecting the connector. To secure the PCA, carefully push it towards the inside of the product to clear the mounting tabs near the rib assembly (callout 2 shows the PCA correctly positioned under the tabs). Slide the PCA towards the rib assembly to position the edge of the PCA under the mounting tabs. Figure 1-55 Remove the rear-door rib assembly (duplex product) (1 of 3) 1 ENWW Removal and replacement procedures 45
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