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4.5 Meter
DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)

Removal of iButton PSD

1. Transfer funds to Postage By
a. Press Menu and page down
to select Advanced Fea-
b. Select Meter Withdrawal.
c. Select Continue.
d. When the transfer is com-
plete select Print Receipt
and follow the prompts.
e. Confirm the funds "Avail-
able in Meter" is equal to
2. Remove the iButton PSD from
the Main Logic board:
a. Disconnect the power cord
from the mail machine base.
b. Remove the rear cover.
c. Ground yourself by placing
a hand on the mailing ma-
chine's metal frame.
d. Grasp the iButton PSD han-
dle and carefully push the
holder away from the Main
Logic Board.
e. Carefully pull the holder up
at an angle to release it. (See Figure 4-7.)
3. Attach the iButton/PSD to the iButton PSD Security Cover:
a. Remove the iButton PSD Security Cover from the mail machine's
Rear Cover.
b. Attach the handle of the iButton PSD to the cover using the provided
screw. (See Figure 4-8.)
NOTE: Instructions are not sent with the Return kit because we do not
want the customer to find them and try to remove the iButton!
4 • Troubleshooting/Diagnostics
Figure 4-7 Removing PSD
Figure 4-8 PSD Secured for Shipping
Away from
Board and
Lift Up to


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