BK-S216
User Manual
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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.
5.2.6 Cleaning Bundler paper retraction sensor
When any of the following case occurs, Bundler paper back sensor should be cleaned.
1) If the paper at the Bundler paper back exit is not taken off, but the printer returns normal status.
2) If the paper at the Bundler paper exit is taken off, but the printer returns recycle paper container full
status.
To clean Bundler paper back sensor, following the steps given below
：
1) Turn off the power and have the printer turned.
2) Find out Bundler paper back sensor according to the printer figure
3.4.6 Bundler sensor 5
.
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.
5.3 Cleaning printing platen roller
When any of the following case occurs, the printing platen roller should be cleaned.
1) Print out is not clear.
2) Some columns on the page are not clear.
3) Paper feeds or retracts with big noises.
To clean the printing platen roller, follow the steps given below:
1) Turn off the power.
2) Wait for a few minutes until print head cools down if the printer has just finished printing.
3) With soft cotton cloth dipped with pure alcohol (should be wrung), carefully wipe off stains on the
surfaces of printing platen roller.
5.4 Cutter manual-resetting
When one of the following cases occurs, cutter manual-resetting should be done.
1) The cutter can’t cut off the paper and fails to reset; cutter doesn’t act when pressing CUT button.
2) Paper jams due to reset failure of cutter. Press CUT button, but cutter doesn’t act.
Reset cutter manually in the following steps:
1) Turn off printer power.
2) Use cross screwdriver to remove the three M3 screws according to the printer
figure
5.4.1 Cutter
manual-resetting
as below, remove motor gear protective board cover.
3) Use cross screwdriver to rotate motor shaft according to the printer figure 5.4.1as below, push cutter
guider forward (or there is big gap between upper and lower blade) .
4) Check whether the cutting operation is normal or not after adjustment. If not so, redo the adjustment
according to the previous step.
5) Install the motor gear protective board cover when the cutting operation is normal.
