Service manual

Confidential BTP-M280 Service Manual
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4) Unscrew the 2 ST2.9X6 screws and disassemble the cutter fixes plate and moving blade.
5) Unscrew the two screws (M3X5) and take off the moving blade module.
6) Install a new moving blade module and reassemble by following these steps in reverse order.
Notice：
 When disassembling the cover, please use moderate force to avoid damage the cover.
 Please do not pull the cable when detaching the connector, so as to avoid breaking the cable.
 Print head is thermal part, please disassembly it after cool down.
 Please make sure that the cutter cable connects into the socket firmly.
 Please avoid crushing the cable in reassembly.
 In reassembling the cutter, please position the cutter on fix plate correctly and fix screws firmly.
5.1.3 Main control board replacing
1) Close the power and detach the communication cable.
2) Unscrew the two screws (M3X7) and push the hook out in shown direction (first Fig), then take
the lower cover off in shown direction.
3) Detach all cable connector on main control board, then unscrew the two screws (M2.5X5) and
take off the interface board in shown direction, then unscrew the four screws (M3X5) and take off
the main control board.
4) Install a new control board and reassemble by following these steps in reverse order.