SECTION 5
DISASSEMBLY AND ASSEMBLY
115
Replacing the Clamshell Latch Pins
The Upper and Lower Latch Pin Kits replace Print Engine Clamshell Latch Pins that may have become
bent or broken.
TIP: It is possible to perform these procedures without removing the Print Engine from the printer.
However, when replacing the Lower Latch Pins; you will find it is easier to access the screws if the Print
Engine is removed from the Printer body.
Upper Clamshell Latch Pin Replacement - Kit (42-900-35)
This kit and procedure is used to replace Upper Latch Pins that may have become bent or broken.
The 42-900-35 Kit consists of: (1) Latch Pin, (1) 5/64 Allen screw.
NOTE: Check that the Latch Pins are pressed in on your Print
Engine; not welded. Later versions have welded pins that cannot
be replaced.
Tools Needed: Small T10 x 80 screwdriver, 5/64 hex head
screwdriver, small wire clippers, small semi-round file and (2) small
cable ties.
TIP: It is possible to perform this procedure without removing the Print
Engine from the printer.
PROCEDURE:
1. Power down and and unplug Printer. Open the Top Cover.
2. Release the two Latches and open the Print Engine Clamshell.
3. Place a towel (or other covering) over the lower section of the Print Engine to help keep any debris
(metal shavings) from entering the Print Engine.
3. Remove the
Upper Exit
Wheels
Assembly.
Remove (1)
T-10 screw
on each side.
Remove the
mounting
blocks and
the Wheel
Assembly.
4. Remove the Pen Driver Cover. The cover is glued in
place along the top edge of the Print Engine frame
crossmember. Carefully slide the tip of a small flat blade
screwdriver under the Cover lip to separate it from the
Crossmember. Remove the Cover.
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