Mitsubishi Electric MELCEC Q Series User Manual page 138

9. LOADING AND INSTALLATION
(2) Removal
I/O module
Hole for removal
Dust-proof cover
To remove the dustproof cover from the I/O module, insert the tip of a flat-head
screwdriver into the hole as shown in the figure, then pry the tab of the cover out from
the hole using the screwdriver.
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