Service manual

4 • Troubleshooting/Diagnostics
DM300c/DM400c/DM475 Service Manual (SV61801 Rev. D)
4-41
4. Clean the wiper blades with the cleaning swab.
Cleaning
Swab
Wiper
Blades
4.4 Cleaning
the Print Head
and Related
Surfaces
Ink Pad
Clean ink on
top surface
Clean ink on
edges
5. Clean the cap of the purge unit with the cleaning swab.
Purge
Unit Cap
Cleaning Swab
6. Reinstall print head. From the Service Menu, select Diagnostics>PM
Maintenance>Print Test Pattern, and/or run some sample mail pieces
through the machine to confirm proper printing.