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Error 08:04 when you start the scanner

HP Recommended
HP DesignJet T3500MFP
Microsoft Windows 7 (64-bit)

Error 08:04 when you start the scanner, how to fix it?

the software is updated, but the error also remains


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HP Recommended

08:04 Communication lost between front panel and formatter
Call agent:
1. Restart the printer.
2. Update the firmware.
Service engineer:
1. Check that the front panel is correctly connected.
2. Replace the front panel. See Front panel on page 289.
3. If after replacing the front panel the SE continues to appear; replace the formatter PCA. See Formatter
PCA on page 286.

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