Service manual

Confidential BTP-M280 Service Manual
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3.5.2 Protocol supported ....................................................................................................................10
3.5.3 Electrical character....................................................................................................................10
4 DISASSEMBLY AND ASSEMBLY..........................................................................................................11
4.1
MAINTENANCE TOOLS.........................................................................................................................11
4.2
DISASSEMBLE THE PRINTER ................................................................................................................12
4.2.1 Disassemble the Cover of Printer..............................................................................................12
4.2.2 Disassemble the Main Control Board Cover .............................................................................14
4.2.3 Disassemble the Stationary Blade Cutter Module.....................................................................15
4.2.4 Disassemble the Platen Roller Module (Without Rewinder)......................................................16
4.2.5 Disassemble the Paper Cabinet Module ...................................................................................18
4.2.6 Disassemble the Print Module...................................................................................................22
5 PRINTER MAINTENANCE .....................................................................................................................26
5.1
MAIN PART REPLACING........................................................................................................................26
5.1.1 Print head replacing................................................................................................................26
5.1.2 Cutter replacing ......................................................................................................................27
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...........................................................................................................32
5.2
PRINTER ADJUSTMENT ........................................................................................................................33
5.2.1 Print distance adjustment..........................................................................................................33
5.2.2 Tight denti-form belt of carriage ................................................................................................33
6 ERROR TYPES AND PROCESSING .....................................................................................................34
7 TROUBLESHOOTING............................................................................................................................35
7.1
PRINT EFFECT ABNORMAL ...................................................................................................................35
7.2
PAPER DETECTION ABNORMAL .............................................................................................................35