Samsung SRP-350PG Service Manual - Page 45

Doing so can damage the thermal element.

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5 Maintenance and Adjustments 5-2 Maintenance 5-2-1 Cleaning Head Paper dust on the heating elements may lower the print quality. In this case, clean the print head as follows: 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. Bu 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. Radiation plate Head tip Spring pin Print circuit board Connector Base Heat sensitive layer Electrode Resistor Board Protective layer Figure5-4 Cleaning the Printer Head Note : Never touch the thermal element with your hand. Doing so can damage the thermal element. Note : Do not scratch the Printer Head. 5-4 Samsung Electro-Mechanics

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Paper dust on the heating elements may lower the print quality. In this case, clean the print head as follows:
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.
Samsung Electro-M
e
chanics