
Maintenance
Cleaning The Print Head
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P1003636-001 TTP 7020™/TTP 7030™ Technical Manual 02/11/2009
Cleaning The Print Head
The print head can be cleaned without removal.
1. Tilt the print module backwards.
2. Lift the print head with the print head release lever.
3. Clean the heat elements with a cotton swab immersed in ethyl or isopropyl alcohol.
Removing The Print Head
1. Tilt the print module backwards.
2. Remove the plastic lock from the print head pressure shaft.
3. Pull the print head shaft out so that it disengages from the inner bushing. Then turn it so
that you can lift the lever end of the shaft up, and remove the shaft.
Figure 25 • Loosening the Print Head
4. Remove the leaf spring pressurizing the print head.
5. Lift the print head.
6. Gently loosen the print head cable from the print head, making sure not to damage the
flexible board of the print head.
7. Remove the print head.
Caution • Disconnect the printer from the power source before performing the following
procedure.
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