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

BTP-M300 Service Manual
- 38 -
2) Problems: Big noise during CR running.
Possible causes and solutions:
¾ The tension of tooth belt is too strong, please adjust the position of the tooth belt;
¾ The print gear is worn out, please replace it.
3) Problems: Big noise during two-color conversion.
Possible causes and solutions:
¾ 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:
¾ The resistance of ribbon baseband transmission part is too big, please change a new ribbon
cassette;
¾ The ribbon driving gear is damaged, please ask the technical personnel to replace it.
2) Problems: Ribbon squeeze.
Possible causes and solutions:
¾ The ribbon baseband is loose, please turn the ribbon knob clockwise for 2-3 times to tighten the
ribbon;
¾ The ink of ribbon is used up, please replace a new ribbon;
¾ The print spacing is too small, please ask the technical personnel to adjust the spacing;
¾ 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:
¾ There are too many scraps of paper and dust accumulated inside the cutter, please remove the
scraps of paper and dust;
¾ The cutter is worn out badly, please ask the technician to replace the cutter;
¾ 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:
¾ Paper is jammed in the cutter, please clear the jammed paper and turn on the printer;
¾ The cutter cable is broken, please ask the technical personnel to replace it;
¾ The sensor inside the cutter is damaged, please ask the technical personnel to replace it;
¾ The main control board is damaged, please ask the technician to replace it.
Note: Solutions to deal with the paper jammed in cutter:
¾ Turn off the printer;
¾ Open the front cover and upper cover;
¾ Close the rear cover after clearing paper jammed;
¾ Keep far away from cutter sliding blade to avoid it being scratched while resetting the sliding blade,