The service manual provides a comprehensive error list. Here are the most frequent ones:
DIGI SM-320 is a high-performance digital printing scale designed for fast-paced retail environments like supermarkets and butcher shops. Maintaining this equipment often requires access to technical procedures typically found in a service manual, including calibration, troubleshooting, and hardware assembly. Core Specifications of the DIGI SM-320 comes in two primary configurations: the (Bench version) and the (Pole version with a raised customer display).
Weight Capacity Options: 3/6 kg (1 g/2 g intervals), 6/15 kg (2 g/5 g intervals), or 15/30 kg (5 g/10 g intervals).
Display: A 202 x 32 pixel FSTN backlit LCD showing tare, weight, unit price, and total price.
Printer: High-reliability thermal head with a 203 dpi resolution and 105 mm/sec printing speed.
Connectivity: Equipped with 1x RJ45 (Ethernet), 1x RS232, and 1x RJ9 for cash drawer support; optional Wi-Fi is also available.
Memory: Standard 2 MB (storing up to 8,300 PLUs), expandable to 4 MB or 8 MB. Critical Service Procedures digi sm320 service manual
While specific service manuals are often restricted to authorized DIGI Scale dealers or technicians, common maintenance tasks include the following: 1. Calibration (Weight & Sensors)
Calibration is necessary if the scale shows incorrect weight readings or display errors.
Weight Calibration: Requires access to "Z Mode." For related models like the
, technicians often turn on the span switch and hold Re-zero while typing a specific code (e.g., 8715) to enter calibration.
Gap Sensor Calibration: To ensure label alignment, users can hit the Mode button until Z1.0 appears, then hold Re-zero and type 516 to view sensor voltage. 2. Hardware Assembly ( Pole Display)
Assembling the customer pole display involves three key steps: Remove the four stud screws located beneath the scale base. The service manual provides a comprehensive error list
Connect the serial cables from the scale and pole display, ensuring the latches click into place.
Secure the pole to the base using the previously removed screws. 3. Network and Memory Management
Clear Memory: To reset the unit, hold Re-zero and Feed while turning the machine on.
Initialize Network: To reset network settings, hold Re-zero and C during power-up. Troubleshooting Common Issues
Inaccurate Weight: Ensure the scale is on a flat, even surface and free of debris. Printer Jams
: Open the side panel tray and flip the print head panel switch. Ensure the label roll is guided correctly through the path and secured tightly. JTAG header (unpopulated, but pads exist for boundary scan)
Display Issues: Check for loose serial cable connections, especially in the
For official technical support or to request a full physical manual, you can contact DIGI America Support or DIGI Europe Support. SM-320 | Retail - DIGI (TERAOKA)
DIGI SM-320 is a dual-function digital scale designed for retail and production, combining electronic cash register (ECR) capabilities with high-speed label printing Core Functionality Dual Operation
: Acts as both a price-computing scale and a point-of-sale terminal with receipt or label printing High-Speed Printer
: Features a built-in thermal head printer with a maximum speed of 105 mm/sec and a lifespan of approximately 100km Capacity Options : Available in multiple weighing ranges: Advanced Memory : Standard 2MB non-volatile memory stores up to 8,300 items (PLUs)
, with optional upgrades to 4MB or 8MB for up to 38,000 items Hardware & Interface
: Dual-line backlit FSTN LCD (202 x 32 pixels); specifically displays tare (4 digits), weight (5 digits), unit price (6 digits), and total price (7 digits) Keyboard Layouts SM-320B (Bench) : 32 preset keys SM-320P (Pole) : 56 preset keys on a raised display rack SM-320BS (Self-Service) : 120 large quick-selection keys Connectivity : Integrated , and a RJ-11 cash drawer port; optional (802.11a/b/g/n) is available Service & Maintenance Features SM-320 | Retail - DIGI (TERAOKA)
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