![](http://pdfasset.owneriq.net/b/dc/bdcf6d98-a958-422d-809d-26b46c515783/bdcf6d98-a958-422d-809d-26b46c515783-bgd4.png)
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