Our 540 thermal printer is the ideal solution for printing shipping labels, tickets, wristbands, and more on-demand.
Postal 4" Thermal Printer
Model 438
The 438 Postal was created to be an inexpensive printer able to withstand the rigors of high-volume label and ticket printing operations at large or small mail presort facilities. Tailored specifically for the Intelligent Mail Tray Label and 24-digit Enhanced Distribution Label (EDL) on the USPS Atlas System, the 438 Postal offers user friendly design for easy cleaning, routine maintenance and printer service or repair.
Adjustable Paper Width
1.5â- 4.375â
(38.1 mm-111 mm)
Communication Ports
USB and Serial
Max Print Speed
Up to 8â / second (200 mm)
Print Resolution
203 DPI
High-speed processing built for heavy volume and extreme conditions.
The 438 postal thermal desktop printer is built to be economically priced, without compromising performance or longevity. The design is user-friendly for easy cleaning, routine maintenance, and printer service or repair. Microcomâs custom design offers immediate access to replaceable wear parts, such as printheads, to minimize downtime. High speed electronics allow printing at an impressive eight inches per second with precise, clear image resolution. Enhance your printing solution with additions from our long list of specialized, optional features.
Key Features
Dimensions
Accessories
- Easy to replace wear parts
- Rugged metal design
- Compact footprint
- Long life print head
- 8â per second print speed
- Auto loading capability
- Microsoft WindowsÂŪ print driver for quick and easy integration
- Microcom LDS programming language
- USB and serial interface
- Software controlled print contrast adjustment
- Self-centering and locking media guides
- 20MB Flash for storing fonts and graphics
- 8MB RAM
Height 6.9â (175 mm)
Width 8.5â (216 mm)
Depth 4.8â (122 mm)
Weight 7.8 lbs. (3.5 kg)
Â
- Roll Holder
Drivers
- Used for USB connectivity on FTDI chip set printers by utilizing a USB to Virtual Serial Port driver
- For general Windows printing using Windows print sub system
- For general Linux printing using CUPS print sub system
- POS for .NET service object and device manager | Requires LDS2 Operation
Utilities
- XPort Ethernet configuration utility
  (DOWNLOAD INSTRUCTIONS HERE)
- Terminal application for communication with Microcom products
- Bitmap to Microcom format for graphic creation
Developers Tools
Windows Driver Sample Application
- Used to demo the Microcom Windows driver programmatically | Requires Windows Print Driver
Manuals
- Download and view the manual for the Microcom Windows driver
- Download and view the operators manual for the Microcom 438P thermal printer
Media
- 4" x 6â Die-Cut Labels
- 2" x 5.5â Event Tickets
- 3.25" x 2â Cinema Tickets
- Credit Card Tickets
- 3.25" x 6â Ski Lift Tickets
- Die-Cut Labels
- Continuous Roll (up to 4.375â wide)
- Fanfold Media (up to 4.375â wide)
Recommended Uses
438 Postal Applications:
- Mail Sortation
- Tray Tag Printing
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