HP laserjet 3390, 3392 all-in-one Manuale Di Servizio
Power-switch PCA
1.
Remove the right cover. See
.
2.
Disconnect two connectors (callout 1) and remove two screws (callout 2).
NOTE
For the HP LaserJet 3392, disconnect one additional connector (callout 3).
3.
Separate the power-switch PCA (callout 4) from the all-in-one to remove it.
CAUTION
PCAs are sensitive to electrostatic discharge (ESD). Look for the
ESD reminder when removing PCAs. Always perform service work at an ESD-protected
workstation or mat. If an ESD workstation or mat is not available, ground yourself by touching
the sheet-metal chassis before touching an ESD-sensitive part.
workstation or mat. If an ESD workstation or mat is not available, ground yourself by touching
the sheet-metal chassis before touching an ESD-sensitive part.
Protect the ESD-sensitive parts by placing them in ESD pouches when they are out of the
all-in-one.
all-in-one.
4
1
2
3
Figure 5-44
Remove the power-switch PCA (HP LaserJet 3392 shown)
142
Chapter 5 Removal and replacement
ENWW