Kyocera DP-3600 - Manual (Page 39)

Chapter 1 Safeguards and Installing the Page Printer
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5. Check that the toner container is installed in the correct position, and push forcefully on the top of
the toner container.
6. After the toner container is installed, set the two toner container release levers to the left position
(fixed).
Toner Container Release Levers
(Be sure to set to the left and fix the container in place.)