Abnormal Ribbon Action; Abnormal Cutter Action - SNBC BTP-M300 Service Manual

2) Problems: Big noise during CR running.
Possible causes and solutions:
The tension of tooth belt is too strong, please adjust the position of the tooth belt;
The print gear is worn out, please replace it.
3) Problems: Big noise during two-color conversion.
Possible causes and solutions:
The uplifting surface of the ribbon supporting plate is dry, please ask the technician to lubricate it.

7.4 Abnormal ribbon action

1) Problems: The ribbon baseband does not rotate during printing.
Possible causes and solutions:
The resistance of ribbon baseband transmission part is too big, please change a new ribbon
cassette;
The ribbon driving gear is damaged, please ask the technical personnel to replace it.
2) Problems: Ribbon squeeze.
Possible causes and solutions:
The ribbon baseband is loose, please turn the ribbon knob clockwise for 2-3 times to tighten the
ribbon;
The ink of ribbon is used up, please replace a new ribbon;
The print spacing is too small, please ask the technical personnel to adjust the spacing;
The paper guide elastic plate is deformed, please ask the technical personnel to replace it.

7.5 Abnormal cutter action

1) Problems: Cutting is not completely and noise is abnormal.
Possible causes and solutions:
There are too many scraps of paper and dust accumulated inside the cutter, please remove the
scraps of paper and dust;
The cutter is worn out badly, please ask the technician to replace the cutter;
The cutter is not installed in the right position, please ask the technical personnel to check whether
the installation of the cutter is correct or not.
2) Problems: The cutter does not reset and alarms.
Possible causes and solutions:
Paper is jammed in the cutter, please clear the jammed paper and turn on the printer;
The cutter cable is broken, please ask the technical personnel to replace it;
The sensor inside the cutter is damaged, please ask the technical personnel to replace it;
The main control board is damaged, please ask the technician to replace it.
Note: Solutions to deal with the paper jammed in cutter:
Turn off the printer;
Open the front cover and upper cover;
Close the rear cover after clearing paper jammed;
Keep far away from cutter sliding blade to avoid it being scratched while resetting the sliding blade,
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BTP-M300 Service Manual