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Digi Sm320 Service Manual -

The SM-320 is a high-speed thermal printing scale available in Options include

202 x 32 pixel backlit FSTN LCD for both operator and customer.

Standard 2MB (approx. 8,300 PLUs), expandable to 4MB or 8MB. Interfaces:

Includes 1x RJ45 (Ethernet), 1x RS232, and 1x RJ9 for a cash drawer. 2. Installation & Assembly SM-320P (Pole version) , the assembly involves connecting the customer display: Remove Studs:

Unscrew the four stud screws located beneath the scale base. Connect Cables:

Securely join the serial cables from the scale and the pole display. Ensure the side latches click to prevent pin damage. Secure Pole:

Align the pole with the fixing locations and reinsert the stud screws. 3. Service & Maintenance Procedures Label Loading:

Gently pull the side panel, open the print head panel, load the label roll onto the spool, and guide the labels through the designated path before closing. Memory Initialization: (Standard for SM-series) Hold while turning the scale ON, then press the total print key three times followed by the (Clear) key. Thermal Head Maintenance: digi sm320 service manual

Clean the thermal head regularly to maintain a 100km life span. To calibrate the head, hold during power-up. 4. Calibration & Mode Settings

Service manuals for DIGI SM scales typically require a physical Span Switch to be ON for calibration. Software Calibration:

The SM-320 supports software-based calibration for zero point and span adjustments. Spec Settings: by pressing

in sequence to access machine specifications (like Spec 141 for barcode formatting). 5. Troubleshooting Error Messages

The manual contains a full list of error codes. Common issues often relate to: SM-320 | Retail - DIGI (TERAOKA)

Table_title: Basic Table_content: header: | Model | SM-320 | | | | row: | Model: Capacity | SM-320: 3/6 kg | : 6/15 kg | : | : 15/ DIGI (TERAOKA) Digi SM-300P Scale Repair Guide - Calibration - Scribd

Digi SM-320 service and operation manuals outline a versatile digital printing scale that functions as both an electronic cash register and a label printer. DIGI (TERAOKA) Core Service & Technical Features Calibration: The SM-320 is a high-speed thermal printing scale

Supports software-based calibration and span adjustment through a specific "Z Mode" sequence (e.g., holding and entering 142). Maintenance Design:

Features a high-reliability thermal head printer and a specially designed mechanism for easy paper handling without requiring cassette-style loading. Initialization & Setup:

Includes procedures for loading default specifications (e.g., selecting model types like Pole, Bench, or Hanging) and resetting memory. Networking:

Configurable via LAN (Ethernet) or optional WLAN (Wi-Fi 802.11a/b/g/n) for remote data loading. DIGI (TERAOKA) Operational Specifications High-speed thermal printing at up to 105 mm/sec with a resolution of 203 dpi. Memory Capacity:

Standard 2MB memory (approx. 8,300 PLUs), expandable to 4MB (18,000 PLUs) or 8MB (38,000 PLUs).

202 x 32 pixel FSTN LCD with backlight. The customer-facing display typically shows Tare (4 digits), Weight (5 digits), Unit Price (6 digits), and Total Price (7 digits). Mechanical keyboard with 32 preset keys on the SM-320B (bench) model and 56 preset keys on the SM-320P (pole) model. Connectivity Interfaces Standard ports include 1x RJ45 (Ethernet) RJ9 for a cash drawer DIGI (TERAOKA)

Manuals and setup guides are often hosted on technical repositories like the OlegON Forum or available for viewing on step-by-step calibration SM-320 Scale Specifications Overview | PDF - Scribd Digi’s FTP/Archive (Historical): Try ftp1

Title: Comprehensive Overview: Digi SM320 Service Manual and Technical Maintenance

Introduction The Digi SM320 is a highly regarded electronic weighing scale and label printing scale, widely used in retail environments such as delicatessens, grocery stores, and supermarkets. Known for its robustness and reliability, the SM320 is a workhorse device. However, like all electronic hardware, it requires periodic maintenance and occasional repair. The "Digi SM320 Service Manual" is the definitive technical document designed to guide technicians through these processes. This write-up provides an informative summary of what the service manual entails, the technical specifications it covers, and the standard maintenance procedures it outlines.

2. How to Obtain the Digi SM320 Service Manual (Legacy)

Since Digi no longer supports the SM320 directly:

  1. Digi’s FTP/Archive (Historical): Try ftp1.digi.com (read-only) → support/documentation/ → Look for SM320 folder. Many old PDFs remain.
  2. Wayback Machine (archive.org): Search for https://www.digi.com/support/productdetail?pid=4502 (SM320’s old PID). Snapshots from 2008–2012 may have the manual.
  3. Third-Party Repositories: ManualsLib, ManualsOnline, or ElektroTanya (user-uploaded service manuals). Search “Digi SM320 service manual pdf”.
  4. Contact Digi Legacy Support: Digi may provide the manual for a fee to verified business customers for repair purposes.

What if you cannot find the official manual? Use the generic procedure below—it mirrors standard industrial cellular terminal service guides.

How to Identify Your Digi SM320 Model and Firmware Version

Before downloading or using any service manual, verify your unit’s details:

  1. Look at the rear label – Find the model number (e.g., SM320P, SM320L, SM320W). The 'P' may indicate price computing model, 'L' for label, 'W' for wireless.
  2. Power on the unit – During boot, the firmware version (e.g., v2.14 or v3.02) appears on the LCD.
  3. Check the thermal head type – Different print heads require specific resistance checks.

The official Digi SM320 service manual often has different appendices for each sub-model.

1. Understanding the Digi SM320

Before using the service manual, know the device:

The service manual goes beyond the user guide—it includes schematics, component layout, test points, troubleshooting flowcharts, and disassembly instructions.

Digi Sm320 Service Manual -