TA Triumph-Adler P-C4580DN - Manual (Page 326)

Troubleshooting
8-50
3
Open the cover plate (B) of the staple cartridge holder and remove
any jammed staples.
4
Close the cover (B) plate of the staple cartridge holder into its original
position.
5
Re-install the staple cartridge holder.
When re-installing, align the triangle marks on the staple cartridge
holder and the staple unit. The staple cartridge holder will click into
place when it has been inserted correctly.
6
Close the front cover 1 and 2.
B