Taken from the servicemanual:
Dc controller and power supply:
This assembly contains two PCAs. One is the dc controller (including the
high-voltage power
supply), and the other is the low-voltage power supply.
1 Remove the rear door (see page 113), the top cover (page 115), the left
and right side
covers (page 123), and the formatter assembly (page 139).
2 Disconnect four cables that are on the right side of the chassis.
Note For the two large connectors, use a flat-blade screwdriver to release
the locks by pressing down
on the tabs that are on top of the connectors. Be sure to pull the cables
away from the chassis.
The remaining connections are located on the left side of the chassis.
3 Disconnect the 2-pin, the 3-pin, and the three large connectors. Be sure
to pull the cables
away from the chassis.
4 Remove two machine screws (callout 1) from the top surface of the metal
housing.
5 Remove two self-tapping screws (callout 2) from the bottom of the dc
controller assembly.
6 Remove one machine screw (callout 3) and its lock washer, disconnecting
the ground wire.
7 Remove the grounding screw below the main gear assembly on the left side
of the printer
8 Remove the two screws (callout 4) that are located at the front of the dc
controller assembly
and inside the chassis. These are long screws; their position requires the
use of a
magnetized screwdriver.
9 Slide the dc controller assembly out of the rear of the chassis.
The power-supply PCA (callout 5) and the dc controller (callout 6) are
linked by a ribbon cable
(callout 7) and held on the tray by four screws each.
10 Carefully remove the ribbon cable, and loosen the screws on the board you
want to remove.
CAUTION To prevent damage to the high-voltage contacts, the paper-feed belt
assembly needs to be
installed before the dc controller is reinstalled.
Hope this helps
Jeff
"PSCTech" <(E-Mail Removed)> schreef in bericht
news:(E-Mail Removed)...
> Hi,
>
> After trying all the troubleshooting resolutions provided by HP and
> Google,
> I have come to the realization that I will have to replace the power
> supply on my HP 5100tn.
>
> However I can find no documentation on how to do such..can anyone
> explain to me how to install a power supply in the Hewlett-Packard
> 5100 printer?
>
> thank you in advance,
> PSCTech
>
> ==============
> Posted through www.HowToFixComputers.com/bb - free access to hardware
troubleshooting newsgroups.
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