Service manual

Confidential BTP-M280 Service Manual
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5.1.8 HP sensor replacing
1) Turn off the power.
2) Disassemble the transmission module according to 4.2.5.
3) Unscrew the ST2.9X6 shown in the figure and take HP sensor off.
4) Install a new HP sensor
and reassemble by following these steps in reverse order.
Notice：
 In disassembling the printer cover, please use moderate force to avoid damaging the cover.
 Please do not pull the cable when detaching the connector, so as to avoid breaking the cable.
 Please make sure that HP sensor connector connects to their sockets firmly.
 Please avoid crushing the cable in reassembly.
 In reassembling, please fix all screws firmly.
5.1.9 Paper sensor replacing
1) Turn off the power.
2) Disassemble the paper holder module according to step in 4.2.5.
3) Unscrew the 2 ST2.6X6 screws, then take paper sensor off.
4) Install a new paper sensor and reassemble by following these steps in reverse order.
.
Notice：
 In disassembling the printer cover, please use moderate force to avoid damaging the cover.
 Please do not pull the cable when detaching the connector, so as to avoid breaking the cable.
 Please make sure that all connectors connect to their sockets firmly.
 Please avoid crushing the cable in reassembly.
 In reassembling, please fix all screws firmly.