Mount the adhesive label roll onto the primary supply spool.
Typically achieved by opening the scale and activating the calibration switch (or a specific key combination at startup).
The SM-320 will display specific error codes when something goes wrong. The service manual interprets these codes: digi sm320 service manual
When the display prompts for the span weight (e.g., CAL 15 for a 15kg scale), gently place the certified test weights onto the center of the platter.
If you encounter an error code not listed here, check the service manual's error code appendix. The error "14/:" ("The length was set to 0") relates to a data memory range defect for the thermoregulation program, a more obscure code found in some Digi systems. Mount the adhesive label roll onto the primary supply spool
Accessing internal components requires systematic removal of the outer casing. Step-by-Step Disassembly
Calibration procedures (SPAN adjustment) Error code definitions and fixes Label format and printer head maintenance Network/IP configuration steps The service manual interprets these codes: When the
Converts AC mains power to stable DC voltages (+5V, +12V, +24V) required for the logic board and thermal printhead.
Companies that sell Digi scales often have technical documentation available to clients.
High-speed thermal printhead for labels and receipts. 2. Safety Precautions & Tools Required