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SV60890 Rev. G 10-9
DM500™ and DM550™ Digital Mailing System Operating Guide
Weighing Problems
Description Possible Causes Solution
Weight on internal scale
is erratic
Possible interference. Remove everything from the scale and turn
off the power. Rezero the scale. To rezero
the scale, press the Menu key, then select
Zero Scale.
Make sure when you place mail on the scale
you center it and check to make sure that it
is not touching another surface.
Weights on external
scale are erratic or the
scale does not return to
zero
For MP Series External Weighing
Platform scales:
The scale top cover my not be
seated properly on the scale
1. Remove the top cover and make sure
the 4 plastic grommets in the scale are
seated properly. The 4 plastic posts on
the top cover fit into these grommets.
2. If a grommet, or any part of a grommet,
is pushed below the surface of the metal
on the scale, reseat it until it appears as
shown here:
Grommet
pushed below
the surface
Grommet
seated properly
3. Check to make sure the bubble is cen-
tered in the circle as shown on the next
page. If not, and you have a flatblade
screwdriver, center the bubble by adjust-
ing the legs, otherwise go to step 4.