lamp
Troubleshooting
Lamp needs replacing on the BenQ TH685
Source: Epson support — printer error codes
Confidence: 85%
Verified Aug 9, 2026
The projector lamp is dim or has failed and needs replacing.
How to fix Lamp needs replacing
Replace the lamp
Replace the projector lamp with a genuine one.
Source: Epson support — printer error codes
Confidence: 85%
Verified Aug 9, 2026
Parts needed: BenQ TH685 Replacement Lamp
Reset the lamp timer
Reset the lamp hour counter after replacement.
Source: Epson support — printer error codes
Confidence: 85%
Verified Aug 9, 2026
Replacement parts for the BenQ TH685
BenQ TH685 Power Supply
BenQ TH685 Replacement Lens
BenQ TH685 Replacement Lamp
BenQ TH685 Air Filter
BenQ TH685 Remote Control
BenQ TH685 HDMI Cable
BenQ TH685 Ceiling Mount
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