Service manual

Confidential BTP-M280 Service Manual
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Possible causes and solutions:
¾ The dentiform belt is too tighten, please adjust the position of the dentiform belt;
¾ The print gear is attrited, please replace it.
3) Problems: The noise is abnormal in color-switching.
Possible causes and solutions:
¾ The ribbon support plate is lack of lubricant, please ask technical personnel to add some.
7.4 Ribbon action abnormal
1) Problems: The ribbon is action less in printing.
Possible causes and solutions:
¾ The resistance of ribbon transmission is too big, please change a new ribbon cassette；
¾ The ribbon driving gear is damaged, please ask technical personnel to replace it.
2) Problems: Ribbon crush.
Possible causes and solutions:
¾ The ribbon is loose, please turn the ribbon knob clockwise for 2-3 times to tighten the
ribbon.
¾ The nature life of ribbon is
worn or damaged, please install a new ribbon cassette.
¾ The print space is too small, please ask technical personnel to adjust the space.
¾ The paper force spring plate is distorted, please ask technical personnel to replace it.
7.5 Cutter action abnormal
1) Problems: Cutting is not completely and noise is abnormal.
Possible causes and solutions:
¾ Wastepaper and dust accumulates too much in the cutter, please clean it;
¾ The cutter is worn or damaged, please ask technical personnel to replace it;
¾ The cutter is not installed in the right position, please ask technical personnel to check
whether the installation of the cutter is correct or not.
2) Problems: Cutter can not be reset and sounds.
Possible causes and solutions:
¾ Paper is jammed in the cutter, please clear paper jam and repower the printer;
¾ The cutter wire is broken, please ask technical personnel to replace it;
¾ The sensor inside the cutter is damaged, please ask technical personnel to replace it.
Note: How to handle the problem when paper is jammed:
¾ Turn off the printer;
¾ Pull the upper cover spanner to open the front cover and upper cover;
¾ Close the upper cover after clearing paper jam;
¾ Keep away from the moving cutter blade to avoid damage due to blade reset, then power
on the printer and the cutter is automatically reset.