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HP LaserJet 5SI, 8000, 8100, 8150 and Mopier 240/320 Series Printers - 69.X Errors Relating to Duplex Issues
ISSUE: A 69.X error is displayed on the printer control panel and on the Event Log. The 69 error indicates a temporary error relating to the printer's Duplexer.
SOLUTION: Perform the following to resolve the issue:
How to Inspect the Duplexer for any damage
On the Duplexer check the following, if any of these are damaged the Duplexer will need to be replaced.
Figure 2: Top of the Duplexer
1 - Toggle this sensor
2 - Paper Guides
3 - Black Roller
4 - Two Sensors to be toggled
5 - Connector
Figure 3: Back side of Duplexer
1 - White gears to be checked