Lexmark Autocompensator Retraction Bellcrank (aka 'Spring Arm Bellcrank')

The bellcrank is available as a service replacement part, P/N 56P1228. Proceed as follows to replace a broken one.

1) Tray 1 and Cartridge out. Set the machine on its back.

2) One E-Clip at the right side end of the autocompensator's pivot rod.

3) One M3x6mm pan head screw at the rear of the autocompensator's frame.

4) Unhook cabling A/R.

5) Slide the autocompensator assembly rightward to free the left side end of the rod. The assembly can then come away from the printer's chassis.

6) Bellcrank
- Force the broken part off the the end of the rod with a pair of Channellocks.
- NOTE that the protruding spring-hook portion of the bellcrank must go to the right.
- The bellcrank is a snap-fit onto the shallow groove in the rod. It must end up as far to the left on the rod as the flat portion of the rod will allow it to go.
- A 5/16" nutdriver can be used as a 'punch' to get the bellcrank started onto the rod with a light hammer blow.

7) Attach the spring to the new bellcrank and reinstall the autocompensator assembly. Here's a view of the bellcrank fully installed.



Springs

There are four different springs used with the bellcrank, depending on tray capacity and whether it's an integral tray or an add-on.

• 250-Sheet Add-On Spring P/N 99A1929.
• 250-Sheet Integral Spring P/N 99A1927.
• 500-Sheet Add-On Spring P/N 99A1928.
• 500-Sheet Integral Spring P/N 99A1930.

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