J-311 is a telephone product produced by CJT
The manual begins with a product overview and safety precautions, followed by detailed installation steps, wiring diagrams, and instructions for loading thermal paper. It then covers fax document handling, dialing methods, receiving modes, and phone functions.
Later sections describe settings such as date/time, speed, and call lists, as well as maintenance procedures, troubleshooting tips, and technical specifications of the device. This manual is written in Chinese.
| Dimensions | 395×300×165 mm |
|---|---|
| Weight | ≈3.5 kg |
| Transmission speed | 14.4 Kbps |
| Gray levels | 64 |
| Scanning method | CIS contact image scanner |
| Paper type | Thermal paper (216mm×30m or 210mm×30m) |
| Memory | None |
Verify that the power cord is plugged in, the voltage matches 220V AC 50Hz, and test the outlet with another device.
Enter the desired interval (0‑198 seconds) using the numeric keys; the default factory setting is 44 seconds.