Main Processor Board - Pitney Bowes DA80F Service Manual

5 • Removal and Replacement
DA80F (WF81) Parts Removal
5.3 Main
Processor
Board
✍
TIP: Device name
is unique to each
printer's main board.
Therefore, replacing
an existing main board
in the printer gives that
printer a new device
name.
5-4
WARNING!
Disconnect power to processor board before removing or connecting the
print head assemblies or damage to components may occur.
WARNING!
Always wear anti static wrist straps (l-8258) whenever handling the main
processor board or keyboard /LCD board. Static discharge will damage
the IC chips.
1. Turn the power off and unplug the AC power cord.
2. Follow procedures in section 5.2 to remove the rear cover.
3. Disconnect the cables from the processor board and move them out of
the way. When disconnecting the print head cables at J1, J2, and J3,
lift up blue piece on main board connector with fingernail before removing
cable from connector (uses zero insertion force).
J1 J1
4. Remove EMI shields and grounding straps to board by disconnecting two
screws and clamp.
5. Unfasten the five screws (white circles in figure below) securing the pro-
cessor board and metal ground plate (behind board) to chassis. Remove
the processor board and metal plate together.
DA80F/DA95F AddressRight™ Printers Service Manual (SV61962 Rev. A)
J2 J2 J3 J3
Main Processor
Board with Ground
Plate Behind
Disconnecting Print Head Cables
(use fingernail to lift up blue
piece and release pressure on
cable to remove)
Screws that
hold Board and
Ground Plate to
Chassis (white
circles)