Pitney Bowes DM100i Operator's Manual page 151

Replacing the Print Head
6. Squeeze in on the two gray tabs on either side of the print head
so that they slide toward each other.
7. While squeezing, lift and tilt the print head to the right toward the
space for the ink cartridge. The print head should come up out of
the machine.
8. Remove the print head from packaging.
SV62276 Rev. C
10 • Maintenance
10-9