The meter shows error code 1210 and will not print.
Cause
The top cover interlock switch was disengaged, a cover may not be closed properly.
Resolution
Turn machine off by toggling the on/off switch,located on the left side of the equipment
Open up the top covers. Ensure that all of the blue levers are pushed back down into the machine. If a lever is sticking up the top cover may not close completely.
For the DM500, DM550, DM800i, DM800, and DM900 mailing machines, ensure that the transport deck (located in front of the printer at the exit of the machine) is pushed up completely
For the DM1000 and DM1100 mailing machines, when the cover is opened, ensure that the white interlock finger, located in the oval shape opening is centered
Close up all top covers
Turn the power switch back on
If your issue is not resolved, contact customer support from 8 am to 8 pm Eastern Time. Have your model number ready.