This document is a maintenance manual for TEC Thermal Printer B-470 SERIES, which includes product disassembly, installation, maintenance and other content
This manual provides step‑by‑step instructions for unpacking the TEC B‑470 SERIES thermal printer, checking accessories, and preparing the unit for service. Detailed procedures guide technicians through major unit replacements such as the power supply, CPU board, stepping motor, ribbon motors, solenoid, and print head.
Additional sections describe optional equipment installation, internal mechanism operation, troubleshooting methods, and diagnostic test operations including RAM clear and parameter reset procedures. Safety cautions and lubrication guidelines are included to maintain printer performance.
| Sensor voltage (VR1) | 3.0 ± 0.2 V |
|---|---|
| Stepping motor holding force | 3.5 kg ± 300 g |
| Lubricating oil type and amount | FLOIL G‑488, 1 kg |
Enter RAM clear mode, select the maintenance counter clear function, and follow the on‑screen prompts to reset the counter to zero.
Set VR1 so the voltage between Pin 1 (GND) and Pin 7 of CN12 is 3.0 ± 0.2 V.
Use FLOIL G‑488, applying the recommended amount of 1 kg as specified in the manual.