SM-S401-DB38 - Label printer Star Micronics - Free user manual and instructions
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| Product Type | Label Printer |
| Brand | Star Micronics |
| Model | SM-S401-DB38 |
| Print Technology | Direct Thermal |
| Print Resolution | 203 dpi |
| Max Print Width | 4.1 inches (104 mm) |
| Media Width Range | 0.75 - 4.4 inches (19 - 112 mm) |
| Max Print Speed | Up to 8 inches per second |
| Connectivity | USB 2.0, Ethernet |
| Power Supply | AC Adapter (Input: 100-240V, Output: 24V DC) |
| Power Consumption | Approx. 30W (Printing), 5W (Standby) |
| Dimensions (W x D x H) | Approx. 7.8 x 6.3 x 5.1 inches (198 x 160 x 130 mm) |
| Weight | Approx. 3.3 lbs (1.5 kg) |
| Supported Media Types | Labels, tags, receipts (continuous or die-cut) |
| Barcode Symbologies | Code 39, Code 128, EAN-13, UPC-A, QR Code, Data Matrix, and more |
| Operating Temperature | 41°F to 104°F (5°C to 40°C) |
| Maintenance | Clean print head with isopropyl alcohol and lint-free cloth; clean platen roller as needed |
| Safety Instructions | Use only supplied power adapter; avoid moisture; do not open case; keep away from children |
| Spare Parts & Repairability | Print head and power adapter are replaceable; contact Star Micronics for service |
| General Information | Portable desktop label printer suitable for retail, logistics, and healthcare |
Frequently Asked Questions - SM-S401-DB38 Star Micronics
How do I load labels into the SM-S401-DB38?
Open the top cover, place the label roll on the holder, feed the media through the guides, and close the cover. Ensure the labels align with the sensor.
What type of labels does this printer support?
It supports direct thermal labels, tags, and receipt paper in widths from 0.75 to 4.4 inches and lengths from 0.5 to 39 inches.
How do I clean the print head?
Turn off the printer, open the cover, and gently wipe the print head with a lint-free cloth moistened with isopropyl alcohol. Allow to dry before use.
Why is the printer beeping or showing an error light?
Common causes: label roll is empty, cover is open, or a paper jam. Check the indicator lights: steady red indicates an error, flashing green indicates standby.
Can I print barcodes with this printer?
Yes, it supports many barcode symbologies including Code 39, Code 128, EAN-13, UPC-A, QR Code, and Data Matrix. Use compatible software to create barcodes.
How do I connect the printer to my computer?
Use the included USB cable to connect to your computer. Install the driver from the provided CD or download from Star Micronics website. For network printing, use the Ethernet port.
What is the maximum print speed?
The maximum print speed is 8 inches per second at 203 dpi resolution, depending on media and content complexity.
How do I adjust the label sensor?
The printer has an adjustable label sensor. Loosen the sensor lock, slide the sensor to align with the label gap or black mark, then tighten. Refer to the manual for specific positioning.
What power adapter do I need?
Use only the supplied AC adapter with output 24V DC. Input voltage range is 100-240V AC. Using an incorrect adapter may damage the printer.
How can I reset the printer to factory settings?
Turn off the printer, hold the Feed button while turning it on, then release when the LED flashes twice. This resets most settings. See the manual for details.
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