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The Speaker Company me240 manual Connector, Description, Voltage

Models: me240

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	Connector	Description


1		USB connector

2		RS-232C connector

3		SD card slot

4		Ethernet RJ-45 connector (Option)

5		USB host connector (Option)

6		Micro processor

		Head open sensor connector

		Pin	Description	Voltage

		1	Head open sensor emitter	1.2~1.4V
			power pin	1.2~1.4V
7			power pin
7		2	GND	0V
		2	GND	0V

		3	Head open sensor	0V: Head close
			receiver	3.3V: Head open
		4	GND	0V


8	RFID module connector

9	Recovery connector

	Ribbon near end sensor connector

		Pin	Description	Voltage

10		1	GND	0V
10
		2	Encoder signal	3.3V

		3	Power	3.3V


11	Centronics soft cable connector (Option)

12	Stepping motor connector

13	Centronics power connector (Option)

	Gap sensor connector


		Pin	Description	Voltage

		1	Power	5V

		2	Gap sensor emitter	4.0~4.1V: Emitter on
14		2	Gap sensor emitter	4.3~4.4V: Emitter off
14				4.3~4.4V: Emitter off
		3	Black mark sensor emitter	4.0~4.1V: Emitter on
		3	Black mark sensor emitter	4.3~4.4V: Emitter off
				4.3~4.4V: Emitter off
		4	Gap and black mark	A/D: 0~3.3V
			sensor receiver	A/D: 0~3.3V
			sensor receiver

		5	GND	0V

15Ribbon sensor connector

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The Speaker Company me240 manual Connector, Description, Voltage

Contents

THERMAL TRANSFER / DIRECT THERMAL BAR CODE PRINTER SERVICE MANUAL ME240/ ME340TABLE OF CONTENT Front View 1. FUNDAMENTAL OF THE SYSTEM1.1. Overview Interior View 3. Print head pressure adjustment knob 4. Ribbon end sensor1. Ribbon rewind spindle 2. Ribbon supply spindle 5. Print head release lever 6. Label roll guard 7. 3” core adapterRear View Recommended SD card specificationSD card spec SD card capacityV1.0 microSD 1 GBTranscend, Panasonic V2.0 SDHC CLASS2.1 Summary of Board Connectors 2. ELECTRONICSConnector DescriptionDescription VoltageDescription VoltageDescription VoltageConnector Centronics soft cable connectorCentronics power connector Description2.2 Pin Configuration StrobeCONFIGURATION Ethernet4. Reassemble the parts in the reverse procedures 3. MECHANISM3.1Remove the Electronics Cover 1. Remove three screws on back of the printer Screws2. Reassemble the parts in the reverse procedures Screws Screws 3.2 Remove the Right Side Cover3.3 Replacing the Key/LCD Panel Module 1. Refer to section 3.1 to remove the electronics cover2. Disconnect harness from the Key/LCD panel module 3. Push two tabs to remove/replace the Key/LCD panel module3. Disconnect all connectors from the main board The connector to power supply The tab of harness3.4 Replacing the Main Board 1. Refer to section 3.1 to remove electronics cover4. Replace the main board 5. Reassemble the parts in the reverse procedures4. Remove four screws on the main board Screws Screws 3.5 Replacing the Power Supply Unit 2. Disconnect two connectors from the power switch3. Replace the power supply unit 1. Refer to section 3.4 to remove the main board2. Disconnect the stepping motor connector Stepping motor connector 3.6 Replacing the Stepping Motor3. Remove three screws on the stepping motor Screws 4. Replace the stepping motor3.7 Replacing the Platen Roller Assembly 1. Open printer right side cover2. Disengage the print head lift lever 3. Remove one screw to remove the lower front coverRight side bushing Platen roller assembly 7. Reassemble the parts in the reverse proceduresFor regular labelFor thick label Thickness is 0.19 mm Indicator The default position is set3.8 Replacing the Print head ASSY 1. Open the printer right side cover2. Remove one screw from the mechanism Screws 3. Disengage the print head release leverTenons Print head module New screw3.9 Replacing the Media Sensor Module Ribbon end sensor module connector 3.10 Replacing the Ribbon End Sensor Module3. Remove two screws to remove the ribbon end sensor module Screws 7. Reassemble the parts in the reverse proceduresRibbon encoder sensor module connector 3.11 Replacing the Ribbon Encoder Sensor Module3. Remove one screw that fixing the ribbon supply spindle Screw 1. Refer to section 3.1 to remove the electronics cover8. Reassemble the parts in the reverse procedures 7. Remove one screw to replace the ribbon encoder sensor module Screw3.12 Centronics Parallel Interface Board Installation Option 2. Remove two screws to remove the interface cover Screws1. Refer to section 3.1 to remove the electronics cover Screws5. Loosen the connector before install the flat cable 8. Reassemble the parts in the reverse procedures3.13 Cutter Module Installation Option 6. Close the cutter cover 3.14 Peel-off Module Installation Option 6. Close the peel-off cover Print engine module Print engine module with peel-off 3.15 Print Engine Module Specification OptionPrint engine module measurements 1. All measurements are in mm Bottom viewPrint engine module with cutter 4. TROUBLESHOOTING 4.1 Common ProblemsProblem Recovery ProcedureNot Printing Memory fullFLASH / DRAM SD card is unable to useskew when printing Poor Print QualityLCD panel is dark and keys are not workingreboot the printer Power and Error LEDs areThe printing position of small label is incorrect4.2 Print Head Pressure Adjustment Knob 4.3 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles Adjustable Printer PartsSymptom upper right direction “ˊ”Left knob Right knob4.4 Z-axis Mechanism Adjustment Knob Z-axis mechanism adjustment knob Marker positionPage 5. MAINTENANCE 2. The cleaning process is described as following Lint-free cloth  Vacuum / Blower brush  100% ethanol Printer Part Do not touch printer head by hand. If you touch it careless, please use ethanol to clean it UPDATE HISTORY ContentDate EditorPage Corporate Headquarters