The diagnostics light is flashing
[4500] topics) (scanner
...is problem The
The most likely explanation is that the scanning area needs cleaning. Perform the routine maintenance procedures explained in your online guide, which include cleaning. Restart the scanner when you have finished the maintenance procedures.
If the light continues to flash, there may be camera position errors. In this case, contact HP Support.
The wait light is flashing
This indicates that the scanner needs to make some readjustment but is unable to do so. Remove all paper from the scanner, ensure the insertion slot height is set to minimum, and wait for the light to turn off.
The wait and diagnostics lights are both flashing
In this case, disregard the wait light and respond only to the diagnostics light. See The diagnostics light is flashing.
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