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The Speaker Company me240 Replacing the Platen Roller Assembly, Open printer right side cover

Models: me240

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3.7Replacing the Platen Roller Assembly

1.Open printer right side cover.

2.Disengage the print head lift lever.

3.Remove one screw to remove the lower front cover.

Lower front
cover	Screw
	Screw

4. Remove one screw on the platen right side bushing.

Screws

5. Disengage the platen left side bushing tab from the printer.

Left side bushing tab

Page 20

Image 20

The Speaker Company me240 manual Replacing the Platen Roller Assembly, Open printer right side cover, Lower front, Screw

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