User manual

Troubleshooting
212
The Verification Stamp contains ink. When the stamp mark appears faded or hard to see, the stamp should
be replaced or refilled with ink.
[For DP-3510/3520/4510/4520/6010/6020]
To remove the Stamp
Verification Stamp
1
Open the ADF Input Tray.
2
Open the Inner Cover with holding the green labeled tab.
3
Lift up the ADF Tray.
4
Open the Exit Guide while holding the green labeled tab.
P9250577