3 Main Repair Issues With The Gendex 770 X-Ray Machine

3 Main Repair Issues with the Gendex 770 X-Ray Machine
Quick visual guide for dentists & office managersDownload:
1) Tube Head Failure
The tube head can develop oil leaks, filament burnout, or inconsistent radiation output as components age or after heavy use.
- Symptoms: oily residue, overheating, erratic exposure.
- Check: leakage, output consistency, warm-up behavior.
- Fix: replace defective tube heads (OEM or refurbished); verify dose output.
2) Control Board & Power Supply Issues
Aging boards and power irregularities can lead to no power, errors, or unstable exposure timing.
- Symptoms: unit won’t power on, intermittent errors, inconsistent exposure duration.
- Check: fuses, connectors, capacitors, ground integrity.
- Fix: repair or replace boards; add surge protection/line conditioning.
3) Arm Drift & Mechanical Wear
Support arms can lose tension and drift or sag, causing positioning problems and blurred images.
- Symptoms: head won’t hold position; gradual drop after positioning.
- Check: friction springs, bearings, joint lubrication.
- Fix: tighten/replace springs, re-grease joints, adjust arm friction.
Why These Issues Matter
- Unplanned downtime = lost appointments and revenue.
- Safety concerns if a tube head leaks or is miscalibrated.
- Staff frustration and longer chair time with drifting arms.
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