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Lexmark T640 - Staplesmart Finisher Service Check

Lexmark T640
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Diagnostic information 2-123
4061-xx0
StapleSmart finisher service check
Note: When removing the stapler mechanism from the option, first remove the staple supply cartridge.
Note: When replacing staples in the supply cartridge, discard any old staples in the cartridge, and replace with
a fresh strip.
Problems with static electricity buildup
Printer does not recognize StapleSmart finisher option as being installed
Close Finisher Top Cover displayed—unable to clear or reset message (POST
incomplete)
Close Finisher Side Door displayed—unable to clear or reset message (POST
incomplete)
FRU Action
1 Top cover Make sure the brush is attached to the top cover assembly, the
ground clips are installed, and the brush is grounded.
FRU Action
1 StapleSmart finisher option Ensure that the StapleSmart finisher is the only option that is not
recognized by the base printer. If the finisher is the only option not
recognized by the printer, continue with step 2. If not, check the
autoconnects of the options not recognized and the interconnect card
and cable connectors.
2
Stapler motor/drive
assembly
stapler card assembly
Check the autoconnects for signs of damage, especially the
connector pins. Remove the right side cover, and check the cables at
J1A, J1B (bottom autoconnect), J14A, J14B (top autoconnect) to the
stapler card assembly to make sure they are attached securely.
Check the voltages at the printer top autoconnect. If incorrect,
remove the finisher option, and go to “Autoconnect” on page 5-7. If
voltages are correct, reinstall the finisher option, and check the
voltages at J1A and J1B on the connector. If correct, replace the
stapler card assembly. If incorrect, replace the stapler option.
FRU Action
1 Top cover assembly Check the top cover assembly to ensure that it is actuating the top
cover switch and the cover is opening and closing correctly.
2
Top cover switch stapler
card assembly
Check continuity of the stapler top cover open switch. If incorrect,
replace the switch assembly. If correct, replace the stapler card
assembly.
FRU Action
1 Side cover door Check the stapler access door for any signs of damage or broken
parts. Make sure the door correctly actuates the stapler side access
door switch. If this does not fix the problem, replace the stapler
option.

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