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Z5
DT
User’s Guide
4 Routine maintenance
Clean the print head, platen roller and sensor every month according to the following steps. If the printer works
in a tough environment, the maintenance times can be properly increased.
4.1 Cleaning print head
When any of the following cases occurs, the print head should be cleaned:
Printout is not clear;
Feed or retract media causes noise;
Something else sticks onto the print head.
Follow the steps below to clean the print head:
1)
Turn off the printer and open the top cover;
2)
Lift up the top cover and find the print head. Wait for print head to cool down completely if it has just
finished the printing;
3)
Wipe off the dust and stains on the surface of the print head with alcohol cotton ball (it should be wrung
out);
4)
Wait for 5 to 10 minutes until the alcohol evaporates completely, press down print head module, and close
the top cover.
4.2 Cleaning the sensor
When any of the following cases occurs, the mark sensor should be cleaned:
During printing, the printer sometimes misinforms end of label/paper;
The printer does not alarm when label/paper reaches end;
The printer cannot identify marks effectively.
Follow the steps below to clean the mark sensor:
A. Transmissive sensor
1)
Turn off the printer and open the top cover;
2)
Wipe off the dust and stains on the surface of the transmissive sensor with alcohol cotton ball (it should
be wrung out);
3)
Wait for 5 to 10 minutes until the alcohol evaporates completely, and close top cover.
B. Reflective sensor
1)
Turn off the printer and open the top cover;
2)
Find the reflective sensor and take off the top cover board of it;
3)
Wipe off dust and stains on the surface of sensor with alcohol cotton ball (it should be wrung out);
4)
Wait for 5 to 10 minutes until the alcohol evaporates completely, close the top cover board of the sensor,
and close the top cover.
