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Removal and Installation
HP Designjet 4000/4020 Printer Series Service Manual
Power Supply Unit (PSU)
Removal
Switch off the product and remove the power cable.
1. Remove the Right Connector Cover
⇒
Page
8-18
.
2. Remove the JetDirect Card (if installed).
3. Remove three T-15 screws (Type A) that
secure the Main PCA cover.
4. Remove the Main PCA Cover from the
Printer.