6. On the right side of the product, remove one screw (callout 1).
Figure 1-61 Remove the engine controller assembly (5 of 9)
1
7. On the left side of the product, disconnect the two cartridge-door interlock switch connectors
(callout 1), release the cables (callout 2) from the cable guide (callout 3), and then disconnect one
connector (callout 4) and one flat cable (callout 5) on the formatter PCA.
NOTE: Place a mark on one of the cartridge-door interlock switch wires before you disconnect
them, so that you can reconnect the connectors to the same switch lugs.
Figure 1-62 Remove the engine controller assembly (6 of 9)
5
4
2
1
3
44 Chapter 1 Removal and replacement ENWW
For more information and parts on the HP LaserJet Pro 400, M425 call 800-551-1943 or order on line at www.printersupplies.com
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