Response Of Static Touch Panel Is Slow Due To Electrical Noise - Canon imageRUNNER ADVANCE 8500 series Troubleshooting Manual

Response of static touch panel is slow due to electrical noise

[Symptom]
Response of static touch panel may be slow.
[Cause]
Noise from the power source has an impact on control of the static touch panel, resulting in the above symptom.
[Reference] Possible factors for electrical noise include: 1) Uninterruptible power supply (UPS) being connected to the main
power, 2) Machine tool, inverter, vacuum cleaner and smartphone charger being plugged into a nearby power outlet.
[Service work]
Follow the service manual and install the grounding wire included in the product. By installing the grounding wire, noise is grounded
and it prevents the above symptom.
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