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Rev. 1.00
- 54 -
SRP-F310/312
6-2 Maintenance
Paper dust in the heating elements may lower the print quality.
In this case, clean the print head as follow;
Caution: ※ Turn off the printer power before cleaning.
Caution: ※ Note that the thermal head (Thermal element and Radiation plate) becomes very hot during
normal operation, creating the danger of burn injury. Be sure to wait for about 10 minutes after
turning printer power off before beginning the cleaning.
1. Open the cover-open.
2. Clean the thermal element (the area that looks like it is marked a thin black line) of the thermal head
with a cotton swab moistened with an alcohol solvent. (ethanol, methanol, or IPA)
3. After confirming that the alcohol solvent has been dried up completely, close the cover open.
Note: ※ Never touch the thermal element with your hand.
Doing so can damage the thermal element.
Note: ※ Do not scratch the printer head.
Radiation plate
Spring pin
Connector
Base
Heat sensitive
layer
Protective
layer
Electrode
Resistor
Board
Print circuit board
Head tip