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SNBC BTP-R880NPI, Service Manual

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Receipt Printer 

 

 

BTP-R880NPII 

 

          SERVICE MANUAL 

 

 

 

 

 

 

 

Summary of Contents for BTP-R880NPI

Page 1: ...Receipt Printer BTP R880NPII SERVICE MANUAL...

Page 2: ...BTP R880NPII Service Manual 1 Revision Sheet Date Version Description Distributor 2014 3 7 V1 0 Primary version...

Page 3: ...tten permission of SNBC Copyright Copyright 2014 by SNBC Printed in China Version 1 0 Trademarks Our registered trademarks are Warnings and Cautions Warning Items shall be strictly followed to avoid d...

Page 4: ...before plugging the communication cable changing print head or doing maintenance to the printer 3 Be sure to protect it against electrostatic damage when maintaining print head and other electronics...

Page 5: ...6 3 1 2 Signal definition 6 3 1 3 Interface parameters 6 3 1 4 Default Setting 6 3 1 5 Timing sequence 7 3 1 6 Error processing 7 3 2 USB INTERFACE 7 3 2 1 USB Interface Connector and Specifications...

Page 6: ...isassemble hook 18 4 2 12 Disassemble sensor 18 4 2 13 Disassemble the Paper End Sensor Module and its sensor 18 4 2 14 Disassemble the motor 19 4 2 15 Disassemble the gear 19 4 2 16 Disassemble the l...

Page 7: ...BTP R880NPII Service Manual 5 APPENDIX 7 BUTTON SETTING LIST 33...

Page 8: ...us paper or marked paper can be used Can be used with different paper width Auto paper cutting Cash drawer control connector Application software Character printing 1 Two inner ASCII fonts FONTA and F...

Page 9: ...1800 2700 Paper detection Photoelectric sensor paper end Top cover detection Micro Switch Print head heat detection Thermal resistance Image process Bitmap download Direct bitmap print Download buffer...

Page 10: ...when press the FEED button for longer time the printer will stop feeding paper when loosen the FEED button 3 In printing status Printer will be no action when press the FEED button 1 4 3LED Indicator...

Page 11: ...Printer overview BTP R880NPII printer is made up of the following major components printer and power adaptor Printer consists of four main modules including Bottom cover board Main control board Print...

Page 12: ...ram This printer uses main control board named POSJV1 2 the sensor button motor and cutter is connected to main control board via connectors The block diagram is shown as below Figure 2 2 1 Main contr...

Page 13: ...6 DSR Input Require to send 7 RTS Output Require to Receive 8 CTS Input Require to send 9 5V Output Not connected 3 1 3 Interface parameters Parameters of the Serial interface module Item Parameter D...

Page 14: ...e handshake is selected the status of signal DTR DSR is shown as below Printer status Status DTR 1 When power on the printer and the printer is on line SPACE 2 When receive buffer is released from ful...

Page 15: ...e Module The USB interface supports USB2 0 protocol and can concatenate through USB HUB 3 2 5 Troubleshooting of the Interface Module Error phenomena Data can not be sent out data can not be received...

Page 16: ...tage more than 450mV top voltage more than 13V Common mode alternating top voltage is less than 2 5V Input signal differential mode voltage more than 160mV is regarded as efficient mode voltage 3 3 3...

Page 17: ...ake sure to use antistatic gloves or bracelet 4 During the disassembly be careful not to leave small parts or screws inside the printer 5 Don t scratch the print head surface Assistant material Lubric...

Page 18: ...anual 11 3 Follow the arrows to push the hooks on the right and left of the top cover so that it could be taken off the roller bracket 4 Take off the top cover 5 Follow the arrows to uplift the cutter...

Page 19: ...BTP R880NPII Service Manual 12 6 Unscrew two M3 5 screws which fix the middle body 7 Take off the middle body 8 Unscrew four M3 5 screws which fix the lower body and take off the lower body...

Page 20: ...over Disassemble two ST2 9tapping screws and separate the hook of the bottom circuit board cover from the circuit board cover to take off the bottom circuit board cover 4 2 3 Disassemble the main cont...

Page 21: ...lat spring and remove the power switch from the main control board cover 4 2 5 Disassemble top cover 1 Disassemble the two 3 E rings which fix the top cover shaft and take the torque spring and the sh...

Page 22: ...e shrapnel and take it off 2 Take the still blade out of the still blade Fixed column 3 Disassemble the two E rings fixing roller bracket take the roller shaft sheath out of it and take the platen rol...

Page 23: ...the cutter and separate the cutter from its holder 3 Disassemble the two ST2 2 3 screws fixing the tear off bar and take it off 4 2 8 Disassemble the print head module 1 Remove the print head module f...

Page 24: ...pressure spring bracket Disassemble the two M3 4 pan head screws which fix the print head separating the print head and its bracket 4 2 9 Disassemble paper house Unscrew two M3 5 screws which fix the...

Page 25: ...out from paper house 4 2 12 Disassemble sensor Unscrew the two ST2 6 4 screws fixing the paper sensor and take off the paper sensor out from the paper house 4 2 13 Disassemble the Paper End Sensor Mod...

Page 26: ...sassemble the motor Disassemble the two spring gaskets which fix the motor and the flat gasket and take off the motor from the mechanism left holder 4 2 15 Disassemble the gear Disassemble the two 4 E...

Page 27: ...rvice Manual 20 4 2 17 Disassemble the Micro Switch Unscrew the two M2 8 screws fixing the micro switch and take off the Micro switch 4 3 Printer assembly Assemble the printer in the reverse sequence...

Page 28: ...marks effectively The printer doesn t alarm while paper out The steps for cleaning the platen are shown as below 1 Turn off the printer power and open the top cover 2 Clean the platen with alcohol co...

Page 29: ...able to work normally Perform the following actions 1 Turn off power of the printer 2 Put your hands on both sides of the cutter top cover and pull it out according to the arrows in the figure below t...

Page 30: ...manufacturer for assistance 6 4 Problems during Printing Problems Possible Causes Solution Paper cannot be fed normally Paper jam Open top cover to check paper path and cutter and remove paper jam Pr...

Page 31: ...rts List Parts Number Amount Reference picture TL80 print head 3000 906822 1 TPH cable 7110 900714 1 Paper sensor module 7600 910789 1 Platen roller 8301 909972 1 Step motor 3200 900260 1 Gear set Pla...

Page 32: ...trol board 7201 917768 1 Power switch Cymbiform switch white 7600 910793 1 Cymbiform switch black 7600 910792 1 Feed button control board 7600 911463 1 Micro switch 7600 911464 paper near end sensor 7...

Page 33: ...BTP R880NPII Service Manual 26 Cutter 3100 909137 1 Keypad 8205 911389...

Page 34: ...BTP R880NPII Service Manual 27 Appendix 3 Printer Exploded View 1 Printer Exploded View Figure appendix 3 1...

Page 35: ...BTP R880NPII Service Manual 28 2 Exploded view Figure appendix 3 2...

Page 36: ...ionary blade 1 13 8103 909993 Platen holder 1 14 8211 907575 Platen shaft bushing 1 15 8203 902239 Platen gear 1 16 4400 900293 Opening washer 3 1 17 4002 900301 ST2 6 6 with washer 1 18 4200 900631 5...

Page 37: ...1 01 9036595 Interface baffle 1 58 4006 900295 M3 5 2 59 8102 916062 Lower circuit board cover 1 60 4006 900295 M3 5 2 61 4006 900295 M3 5 4 62 Interface board 1 63 8103 900144 Pin serial baffle 1 64...

Page 38: ...BTP R880NPII Service Manual 31 Appendix 5 Overall Dimension Figure appendix 5 1...

Page 39: ...BTP R880NPII Service Manual 32 Appendix 6 Main board layout Figure appendix 6 1 Front layout of main board...

Page 40: ...e key stroke setting procedure is printed 3 The procedure consists of several sub menus and step by step working is needed 4 Every choice has a number which indicates the number of times the FEED butt...

Page 41: ...400bps 7 1200bps 8 115200bps 9 Parity 3 PARITY NONE Back To Last Menu 1 None 2 Odd 3 Even 4 Data Bits 4 DATA BITS 8 Bits Back To Last Menu 1 7 Bits 2 8 Bits 3 Stop Bit s 5 STOP BITS 1 Bit Back To Last...

Page 42: ...e 3 Full Cut Mode 4 Partial Cut Mode 5 Default Cut Mode 6 Auto Cut Settings 3 AUTO CUT SETTINGS No use this function Back To Last Menu 1 Cut paper when cover is closed 2 No cut paper when cover is clo...

Page 43: ...5mm 6 Left Margin 4 LEFT MARGIN 7mm Back To Last Menu 1 0mm 2 1mm 3 3mm 4 5mm 5 7mm 6 9mm 7 Right Margin 5 RIGHT MARGIN 9mm Back To Last Menu 1 0mm 2 1mm 3 3mm 4 5mm 5 7mm 6 9mm 7 CR Command 6 CR COM...

Page 44: ...r End Sensor 4 PAPER NEAR END SENSER Enabled Back To Last Menu 1 Enable 2 Disable 3 Set Default Config 7 SET DEFAULT CONFIGURATION Back To Last Menu 1 Set Printer To Default Configuration 2 FONTA FONT...

Page 45: ...ED state will change according to sensor state To EXIT hold button down at least 1 second Cutter Test 5 Print Statistics 6 BTP R880NPII STATISTICS TCUT 0 TLFS 0 ONTIME 0 Calibration 7 Ethernet Configu...

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