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me240 manual Print Engine Module Specification Option
Models:
me240
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34
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Troubleshooting
Specs
Install
Maintenance
Pin Configuration
Symptom
Replacing the Platen Roller Assembly
Reassemble the parts in the reverse procedures
Indicator The default position is set
Print head pressure adjustment knob 4. Ribbon end sensor
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3.15 Print Engine Module Specification (Option)
Print engine module measurements
-Print
engine module
-Print
engine module with
peel-off
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Contents
THERMAL TRANSFER / DIRECT THERMAL BAR CODE PRINTER SERVICE MANUAL
ME240/ ME340
TABLE OF CONTENT
1.1. Overview
1. FUNDAMENTAL OF THE SYSTEM
Front View
1. Ribbon rewind spindle 2. Ribbon supply spindle
Interior View
3. Print head pressure adjustment knob 4. Ribbon end sensor
5. Print head release lever 6. Label roll guard 7. 3” core adapter
SD card spec
Rear View
Recommended SD card specification
SD card capacity
Transcend, Panasonic
V1.0
microSD 1 GB
V2.0 SDHC CLASS
2.1 Summary of Board Connectors
2. ELECTRONICS
Description
Connector
Description
Voltage
Description
Description
Voltage
Voltage
Centronics power connector
Connector
Centronics soft cable connector
Description
2.2 Pin Configuration
Strobe
CONFIGURATION
Ethernet
3.1Remove the Electronics Cover
4. Reassemble the parts in the reverse procedures
3. MECHANISM
1. Remove three screws on back of the printer Screws
2. Reassemble the parts in the reverse procedures Screws Screws
3.2 Remove the Right Side Cover
2. Disconnect harness from the Key/LCD panel module
3.3 Replacing the Key/LCD Panel Module
1. Refer to section 3.1 to remove the electronics cover
3. Push two tabs to remove/replace the Key/LCD panel module
3.4 Replacing the Main Board
3. Disconnect all connectors from the main board
The connector to power supply The tab of harness
1. Refer to section 3.1 to remove electronics cover
4. Remove four screws on the main board Screws Screws
5. Reassemble the parts in the reverse procedures
4. Replace the main board
3. Replace the power supply unit
3.5 Replacing the Power Supply Unit
2. Disconnect two connectors from the power switch
1. Refer to section 3.4 to remove the main board
3. Remove three screws on the stepping motor Screws
2. Disconnect the stepping motor connector Stepping motor connector
3.6 Replacing the Stepping Motor
4. Replace the stepping motor
2. Disengage the print head lift lever
3.7 Replacing the Platen Roller Assembly
1. Open printer right side cover
3. Remove one screw to remove the lower front cover
For regular labelFor thick label Thickness is 0.19 mm
Right side bushing Platen roller assembly
7. Reassemble the parts in the reverse procedures
Indicator The default position is set
2. Remove one screw from the mechanism Screws
3.8 Replacing the Print head ASSY
1. Open the printer right side cover
3. Disengage the print head release lever
Tenons Print head module
New screw
3.9 Replacing the Media Sensor Module
3. Remove two screws to remove the ribbon end sensor module Screws
Ribbon end sensor module connector
3.10 Replacing the Ribbon End Sensor Module
7. Reassemble the parts in the reverse procedures
3. Remove one screw that fixing the ribbon supply spindle Screw
Ribbon encoder sensor module connector
3.11 Replacing the Ribbon Encoder Sensor Module
1. Refer to section 3.1 to remove the electronics cover
8. Reassemble the parts in the reverse procedures
7. Remove one screw to replace the ribbon encoder sensor module Screw
1. Refer to section 3.1 to remove the electronics cover
3.12 Centronics Parallel Interface Board Installation Option
2. Remove two screws to remove the interface cover Screws
Screws
5. Loosen the connector before install the flat cable
8. Reassemble the parts in the reverse procedures
3.13 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 measurements
3.15 Print Engine Module Specification Option
Print engine module Print engine module with peel-off
Print engine module with cutter
Bottom view
1. All measurements are in mm
Problem
4. TROUBLESHOOTING
4.1 Common Problems
Recovery Procedure
FLASH / DRAM
Not Printing
Memory full
SD card is unable to use
LCD panel is dark and keys are
skew when printing
Poor Print Quality
not working
The printing position of small
reboot the printer
Power and Error LEDs are
label is incorrect
4.2 Print Head Pressure Adjustment Knob
Symptom
4.3 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles
Adjustable Printer Parts
upper right direction “ˊ”
Left knob
Right knob
4.4 Z-axis Mechanism Adjustment Knob
Z-axis mechanism adjustment knob Marker position
Page
Lint-free cloth Vacuum / Blower brush 100% ethanol
5. MAINTENANCE
2. The cleaning process is described as following
Printer Part
Do not touch printer head by hand. If you touch it careless, please use ethanol to clean it
Date
UPDATE HISTORY
Content
Editor
Page
Corporate Headquarters