Service manual

Confidential BTP-M280 Service Manual
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Notice：
 When disassembling the printer 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.
 Please use moderate force to pull the interface off to avoid damaging the connector.
 Print head is thermal part, please disassembly it after cool down.
 Please make sure that all the connectors connect to their sockets firmly.
 Please avoid crushing the cable in reassembly.
 In reassembling the main control board, please fix all screws firmly.
5.1.4 Paper feed motor replacing
1) Turn off the power.
2) After the print head cool down, disassemble the cover according to steps in 4.2.1；
3) Detach the paper feed motor cable from main control board.
4) Unscrew the two screws (M3X8) and take off the Paper feed motor in thedirection shown.
5) Install a new paper feed motor and reassemble by following these steps in reverse order..
Notice：
 In disassembling the printer 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.
 Please make sure that all the Paper feed motor connectors connect to its socket firmly.
 Please avoid crush the cable in reassembly.
 In reassembling the paper feed motor, please fix all screws firmly.
5.1.5 CR motor replacing
1) Turn off the power.
2) After the print head cool down, disassemble the cover according to steps in 4.2.1.
3) Detach the CR motor, HP sensor and print head cable from the main control board.
4) Disassemble the transmission module according to steps in 4.2.6.
5) Unscrew the 2 ST2.9X6 screws shown in the figure and take off the gear dust proof cover.
6) Unscrew the 2 M3X8 screws, then take the CR motor in shown direction.
7) Install a new CR motor and reassemble.
Notices：
 In disassembling the printer cover, please use moderate force to avoid damage the cover.
 Please do not pull the cable when detaching the connector from main control board, so as to avoid
breaking the cable.
 Please make sure that all the CR motor connector connects to its socket firmly.