Curved floor standing display touch screen interactive panel kiosk monitor queue system
self-service screen-9
$485
Feature: queue line machine;counter call machine;interactive touch screen;standing touch screen
Size: 19'';21.5''
Operation System: Android;Windows
Screen: Touchscreen
Installation: Vertical
Type: Advertising Machine;Digital Signage Display;Self-service Touch Screen Machine
Product Details
Product Details
After-Service Maintenance Guide: Thermal Printer Replacement & Wireless Signal Debugging FAQ
1. Thermal Printer Maintenance
1.1 Basic Specifications
Model: RP-320 (Industrial-grade)
Speed: 200mm/s
Resolution: 203dpi
Paper roll: φ83mm×φ40mm
1.2 Troubleshooting
Symptom | Possible Cause | Solution |
Faded print | Dirty/aged print head | Clean with alcohol or replace |
Paper jam | Improper loading/low-quality paper | Reload with standard thermal paper |
No paper alert | Sensor malfunction | Polish sensor with sandpaper or replace |
Blank pages | Paper installed backwards | Ensure thermal side faces outward |
1.3 Consumable Replacement
1.Power off and open cover
2.Remove old roll, clean debris
3.Load new roll (arrow direction, thermal side out)
4.Thread 5cm paper through sensor slot
5.Press FEED button to test
2. Wireless Network Debugging
2.1 Signal Standards
Excellent: -50dBm to -60dBm
Acceptable: -60dBm to -70dBm
Poor: ＜-70dBm
2.2 Common Issues
Issue 1: Frequent disconnects
Checks:
1.Router channel congestion (use WiFi analyzer)
2.＞30m distance to AP
3.Metal obstructions
Solutions:
1.Fix 2.4G channel to 1/6/11
2.Add repeater
Issue 2: ＞5s call delay
Checks:
Network latency (ping＞100ms)
Terminal memory usage＞80%
Solutions:
Switch to 5GHz
Reboot terminal
2.3 Debug Toolkit
Essentials:
Portable AP (backup)
Network tester
Signal booster
Apps:
WiFi Analyzer (channel scan)
Fing (topology detection)
3. Preventive Maintenance
3.1 Daily Checks
Printer: Clean paper path
Network: Ping test 3x (packet loss＜1%)
3.2 Monthly
Replace dust filters
Tighten antenna connectors
Update SSID passwords
3.3 Annual
Replace print head (every 500k prints)
Update AP firmware
Battery capacity test
4. Emergency Protocols
4.1 Printer Failure
1.Activate backup printer
2.Switch to "manual tickets + voice calling"
3.Post outage notice with ETA
4.2 Network Outage
1.Enable 4G hotspot
2.Offline mode (local 500-record storage)
3.Auto-sync data post-recovery
5. Support Tiers
Level 1: 400 hotline guidance (24/7)
Level 2: Remote desktop (30-min response)
Level 3: On-site engineer (4hr arrival in capital cities)
