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The Speaker Company me240 manual Description, Voltage

Models: me240

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	Pin	Description	Voltage

	1	Ribbon sensor receiver	A/D: 0~3.3V

	2	Ribbon sensor emitter	5V
	2	power pin	5V
		power pin
	3	GND	0V

	4	Ribbon sensor emitter	4.0~4.1V: Emitter on
	4	Ribbon sensor emitter	4.3~4.4V: Emitter off
			4.3~4.4V: Emitter off

Cutter/peel-off sensor connector

		Pin	Description	Voltage

		1	GND	0V

		2	Cutter power	24V

		3	Peel sensor emitter	4.0~4.1V: Emitter on
		3	Peel sensor emitter	4.3~4.4V: Emitter off
16				4.3~4.4V: Emitter off
16		4	Logic power	5V
		4	Logic power	5V

		5	Cutter position sensor	0V: Cutter stop
		5	switch	3.3V: Cutter work
			switch	3.3V: Cutter work
		6	Peel sensor receiver	A/D: 0~3.3V

		7	Cutter enable	0V: Cutter work
		7	Cutter enable	5V: Cutter stop
				5V: Cutter stop
		8	Cutter direction	0V: Cutter positive cut
		8	Cutter direction	5V: Cutter negative cut
				5V: Cutter negative cut

17	LCD panel connector

18	Print head signal connector

19Power supply output (24V DC) connector

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The Speaker Company me240 manual Description, Voltage

Contents

ME240/ ME340 THERMAL TRANSFER / DIRECT THERMAL BAR CODE PRINTER SERVICE MANUALTABLE OF CONTENT 1. FUNDAMENTAL OF THE SYSTEM 1.1. OverviewFront View 3. Print head pressure adjustment knob 4. Ribbon end sensor Interior View1. Ribbon rewind spindle 2. Ribbon supply spindle 5. Print head release lever 6. Label roll guard 7. 3” core adapterRecommended SD card specification Rear ViewSD card spec SD card capacitymicroSD 1 GB V1.0Transcend, Panasonic V2.0 SDHC CLASS2. ELECTRONICS 2.1 Summary of Board ConnectorsDescription ConnectorDescription VoltageVoltage DescriptionDescription VoltageCentronics soft cable connector ConnectorCentronics power connector DescriptionStrobe 2.2 Pin ConfigurationEthernet CONFIGURATION3. MECHANISM 4. Reassemble the parts in the reverse procedures3.1Remove the Electronics Cover 1. Remove three screws on back of the printer Screws3.2 Remove the Right Side Cover 2. Reassemble the parts in the reverse procedures Screws Screws1. Refer to section 3.1 to remove the electronics cover 3.3 Replacing the Key/LCD Panel Module2. Disconnect harness from the Key/LCD panel module 3. Push two tabs to remove/replace the Key/LCD panel moduleThe connector to power supply The tab of harness 3. Disconnect all connectors from the main board3.4 Replacing the Main Board 1. Refer to section 3.1 to remove electronics cover5. Reassemble the parts in the reverse procedures 4. Remove four screws on the main board Screws Screws4. Replace the main board 2. Disconnect two connectors from the power switch 3.5 Replacing the Power Supply Unit3. Replace the power supply unit 1. Refer to section 3.4 to remove the main board3.6 Replacing the Stepping Motor 2. Disconnect the stepping motor connector Stepping motor connector3. Remove three screws on the stepping motor Screws 4. Replace the stepping motor1. Open printer right side cover 3.7 Replacing the Platen Roller Assembly2. Disengage the print head lift lever 3. Remove one screw to remove the lower front cover7. Reassemble the parts in the reverse procedures Right side bushing Platen roller assemblyFor regular labelFor thick label Thickness is 0.19 mm Indicator The default position is set1. Open the printer right side cover 3.8 Replacing the Print head ASSY2. Remove one screw from the mechanism Screws 3. Disengage the print head release leverNew screw Tenons Print head module3.9 Replacing the Media Sensor Module 3.10 Replacing the Ribbon End Sensor Module Ribbon end sensor module connector3. Remove two screws to remove the ribbon end sensor module Screws 7. Reassemble the parts in the reverse procedures3.11 Replacing the Ribbon Encoder Sensor Module Ribbon encoder sensor module connector3. Remove one screw that fixing the ribbon supply spindle Screw 1. Refer to section 3.1 to remove the electronics cover7. Remove one screw to replace the ribbon encoder sensor module Screw 8. Reassemble the parts in the reverse procedures2. Remove two screws to remove the interface cover Screws 3.12 Centronics Parallel Interface Board Installation Option1. Refer to section 3.1 to remove the electronics cover Screws8. Reassemble the parts in the reverse procedures 5. Loosen the connector before install the flat cable3.13 Cutter Module Installation Option 6. Close the cutter cover 3.14 Peel-off Module Installation Option 6. Close the peel-off cover 3.15 Print Engine Module Specification Option Print engine module measurementsPrint engine module Print engine module with peel-off Bottom view Print engine module with cutter1. All measurements are in mm 4.1 Common Problems 4. TROUBLESHOOTINGProblem Recovery ProcedureMemory full Not PrintingFLASH / DRAM SD card is unable to usePoor Print Quality skew when printingLCD panel is dark and keys are not workingPower and Error LEDs are reboot the printerThe printing position of small label is incorrect4.2 Print Head Pressure Adjustment Knob Adjustable Printer Parts 4.3 Mechanism Fine Adjustment to Avoid Ribbon WrinklesSymptom upper right direction “ˊ”Right knob Left knobZ-axis mechanism adjustment knob Marker position 4.4 Z-axis Mechanism Adjustment KnobPage 2. The cleaning process is described as following 5. MAINTENANCE 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 Content UPDATE HISTORYDate EditorPage Corporate Headquarters