BK-S216
User Manual
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1) The paper can’t back to normal printing position during semi-automatic paper loading.
2) Print motor reverse backward for long time during semi-automatic paper loading.
3) After printing is finished, the paper can’t return to normal printing position.
To clean paper load sensor, following the steps given below
：
1) Turn off the power and open upper cover.
2) lift the print head and find out paper load sensor according to the printer figure
3.4.1 Printing part
Sensor
.
3) With soft cotton cloth dipped with pure alcohol (should be wrung), carefully wipe off stains on the
surfaces of sensors.
4) Wait for 5 to 10 minutes until pure alcohol evaporates totally, press down print head and close
printer upper cover.
5.2.3 Cleaning Bundler paper inlet sensor
When any of the following case occurs, Bundler paper inlet sensor should be cleaned.
1) Bundler doesn’t start and alarm paper jam when the paper reaches the Bundler paper in position.
To clean Bundler paper inlet sensor, following the steps given below
：
1) Turn off the power and find out Bundler paper inlet sensor according to the printer figure
3.4.2
Bundler sensor 1
.
2) With soft cotton cloth dipped with pure alcohol (should be wrung), carefully wipe off stains on the
surfaces of sensors.
3) Wait for 5 to 10 minutes, the printer can be used until pure alcohol evaporates totally.
5.2.4 Cleaning Bundler position sensor
When any of the following case occurs, Bundler position sensor should be cleaned.
1) It is difficult to align the front margin of the paper in Bundler path.
2) The printer can not detect the paper in Bundler path and alarm error.
To clean Bundler position sensor, following the steps given below
：
1) Turn off the power and lift the Bundler upper path.
2) Find out Bundler position sensor according to the printer figure
3.4.4 Bundler sensor 3
.
3) With soft cotton cloth dipped with pure alcohol (should be wrung), carefully wipe off stains on the
surfaces of sensors.
4) Wait for 5 to 10 minutes until pure alcohol evaporates totally, press down the Bundler upper path.
5.2.5 Cleaning Bundler paper out sensor
When any of the following case occurs, Bundler paper out sensor should be cleaned.
1) If the paper at the Bundler paper out exit is not taken away, Bundler doesn’t retract the paper but
continue to print next page.
2) If the paper at the Bundler paper out exit is taken away, but Bundler does retracting operation.
To clean Bundler paper out sensor, following the steps given below
：
1) Turn off the power and lift the Bundler upper path.
2) Find out Bundler paper out sensor according to the printer figure
3.4.3 Bundler sensor 2
.
