SNBC BTP-M300 Service Manual page 5

4.3 Assemble the printer .........................................................................................................................24
5 Printer maintenance ................................................................................................................................25
5.1 Main part replacing ...........................................................................................................................25
5.1.1 Print head replacing ..................................................................................................................25
5.1.2 Cutter replacing .........................................................................................................................26
5.1.3 Main control board replacing .....................................................................................................28
5.1.4 Paper feed motor replacing .......................................................................................................29
5.1.5 CR motor replacing ...................................................................................................................29
5.1.6 Upper mark sensor replacing ....................................................................................................30
5.1.7 Lower mark sensor replacing ....................................................................................................31
5.1.8 HP sensor replacing ..................................................................................................................32
5.1.9 Paper sensor replacing .............................................................................................................33
5.2 Printer adjustment ............................................................................................................................34
5.2.1 Print spacing adjustment ...........................................................................................................34
5.2.2 Tighten transmission belt of carriage ........................................................................................34
6 Error Types and Processing ....................................................................................................................36
7 Troubleshooting .......................................................................................................................................37
7.1 Abnormal print effect ........................................................................................................................37
7.2 Abnormal paper detection ................................................................................................................37
7.3 Printing with noise ............................................................................................................................37
7.4 Abnormal ribbon action .....................................................................................................................38
7.5 Abnormal cutter action ......................................................................................................................38
7.6 Printer doesn't work ..........................................................................................................................39
7.7 Problem during the printing process .................................................................................................39
Appendix ....................................................................................................................................................40
Appendix 1 Hexadecimal Dump Mode ...................................................................................................40
Appendix 2 Command list ......................................................................................................................41
Appendix 3 EEPROM setting table ........................................................................................................43
Appendix 4 Spare part list ......................................................................................................................44
Appendix 5 Exploded drawing of the printer ...........................................................................................47
Appendix 6 Part list ................................................................................................................................50
Appendix 7 Outline drawing ...................................................................................................................54
Appendix 8 Main board layout ................................................................................................................55
Appendix 9 Lubrication ...........................................................................................................................56
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BTP-M300 Service Manual