Main assemblies
Laser scanner assembly
WARNING! ESD sensitive component.
CAUTION: Do not bend or fold the flat flexible cables (FFCs) during removal or installation. Also, do
not straighten pre-folds in the FFCs. You must make sure that all FFCs are fully seated in their
connectors. Failure to fully seat an FFC into a connector can cause a short circuit in a PCA.
1. Remove the following components:
●
Tray 2 cassette
●
Left cover. See
Left cover on page 13.
●
Scanner assembly. See
Scanner assembly on page 13.
●
Control panel. See
Control panel on page 15.
●
Right cover. See
Right cover on page 17.
●
Top cover assembly. See
Top cover on page 18.
2. Open the toner cartridge door and the rear jam access door.
3. On the top of the product, remove the antistatic foam pad and disconnect one connector
(callout 1), and then disconnect the flat cable (callout 2).
Figure 1-33 Remove the laser scanner assembly (1 of 2)
2
1
ENWW
Removal and replacement procedures
25
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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