
BK-T6112 Service Manual
- 20 -
Figure
Description
3.
Wipe off the surface of platen roller with
cotton dipped with alcohol.
①
—Surface of lower print head
②
—Lower platen roller
4.
Wipe off the surface of platen roller with
cotton dipped with alcohol.
①
—Surface of upper print head
②
—Upper platen roller
5.
After the surface of platen roller is dry,
close the top cover and turn on the printer
power.
4.2.2 Platen roller replacement
Upper platen roller replacement:
Figure
Description
1.
Follow step 2 of "4.2.1 Platen roller
maintenance", uplift the top cover module.
2.
Disassemble the ST2.2×4 pan head
self-tapping screw with cross screw driver,
move the grounding cable and take off the
grounding elastic spring.
①
—ST2.2×4 pan head self-tapping screw
②
—Grounding cable
③
—Grounding elastic spring