The problem is with the scanner, The problem is the diagnostics light is flashing, The problem is the wait light is flashing – HP 815MFP User Manual
Page 53
hp designjet 815mfp & scanner 4200
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the problem is with the scanner
the problem is the diagnostics light is flashing
An error is detected by the built-in diagnostic.
1. The scanning area needs cleaning. For cleaning instructions
see maintenance procedures on page 24.
2. If the Diagnostic light continues to flash after maintenance,
then there may be camera position errors. See tell me about hp
customer care on page 90.
the problem is the wait light is flashing
When the Wait light is flashing (and the Diagnostics light is off) re-
adjusting is needed, but not possible.
1. Remove any original in the scanner.
2. Return the Original Pressure Platen to the normal position (also
in this situation a scan may be issued, but the quality will be
compromised).
When adjusting is again possible, the Wait light stops flashing, but
continues to be on until the self-adjust is complete.