Pitney Bowes DM550 - Manual (Page 172)

10-12 SV61436 Rev. B
10 • Troubleshooting
Weighing Problems
Description Possible Causes Solution
Weights on external
scale are erratic or the
scale does not return to
zero.
continued
For MP Series External Weighing
Platform scales:
The scale top cover my not be
seated properly on the scale
Center the bubble
4. If you do not have a flathead screw
driver, lift the corner and adjust the leg(s)
until the bubble is centered in the circle.
5. Replace the top cover and test the scale.
To test the scale:
1. Place a piece of mail of known weight
and correct postage on the scale.
2. Press the Mode key.
3. Select Attached Scale. "Attached Scale
Mode" appears in the display
4. Press the Class key and enter a class.
5. Press the Enter key.
6. Check to see that the correct postage
amount appears on the screen.