SNBC BTP-M300 - Printer Doesnt Work; Problem During the Printing Process

BTP-M300 Service Manual
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then turn on the power and the cutter will reset automatically.
Caution:
 Please do not touch the stationary blade and the movable blade of cutter to avoid any damage when
power on the printer.
7.6 Printer doesn’t work
Problems: The printer doesn’t work when power switch is turned on.
Possible causes and solutions:
¾ The power supply is not connected. Please check whether both sides of power cable are
connected correctly or not, if not, please connect it; Check whether the host and the power supply
are powered, if not, please connect it;
¾ The main control board is damaged, please replace it.
7.7 Problem during the printing process
1) Problems: Alarm HP error.
Possible causes and solutions:
¾ The tension of tooth belt is too big, please adjust the tension (1kg~2kg force);
¾ The tension of tooth belt is too small, please adjust the tension (1kg~2kg force);
¾ The space between the direction guide shaft and its bushing is too big, please replace the bushing;
¾ The load of carriage driving is too big, please check whether foreign material exists in the gears or
not. If so, please clear it;
¾ The installation position of HP sensor is not correct, please ask the technical personnel to install it
again;
¾ The wire of HP sensor is broken, please ask the technical personnel to replace it;
¾ The HP sensor is damaged, please ask the technical personnel to replace it;
¾ The main control board is damaged, please ask the technical personnel to replace it.
2) Problems: Paper can not be output normally.
Possible causes and solutions:
¾ Paper is jammed, please clear jammed paper;
¾ The load of paper feed driving is abnormal, please check whether foreign material exists in the
gears or not. If so, please clear it;
¾ The wire of paper feed motor is damaged, please ask the technical personnel to replace it;
¾ The paper feed motor is damaged, please ask the technical personnel to replace it;
¾ The main control board is damaged, please ask the technical personnel to replace it.
3) Problems: Paper feeding is continuously.
Possible causes and solutions:
¾ The currently used paper type is not accordant with the printer setting, please print self-test page to
confirm the printer setting and use the correct paper.