TA Triumph-Adler P-C4580DN - Manual (Page 266)

Maintenance
7-8
Replacing Staples
A staple cartridge is installed in the optional 1,000-sheet finisher, 4,000-sheet finisher, and center-fold unit.
If a message displays indicating that staples have run out, the staple cartridge holder need to be replenished with staples.
Follow the steps below to refill staples.
1,000-sheet Finisher (Option)
1
Open the front cover.
2
Remove the staple cartridge holder.
3
Remove the empty staple cartridge from the staple cartridge holder.
Note If the Staple Unit runs out of staples, contact your service representative or the place of purchase.
Note The staple cartridge can only be removed when it
contains no more staples.