Force Drop Detection
1. In the Service Utilities submenu, select Diagnostic Prints.
2. In the Diagnostic Print menu, select Advanced Diagnostic Print.
3. In the Advanced Diagnostic Print menu, select Force Drop Detection.
4. Check whether the ink system is ready, and press OK.
5. The product resets the calibration flag. Press OK to return to the menu.
Accounting Mode
Used to enable the Abacus accounting tool (available in the US only).
Mark Printhead as Filled
The printer will flag the printhead as if it has gone successfully through the filling process (See HP 727
Printhead Start-up process on page 28 for more details). Once flagged, the printer will recognize the
printhead as filled, and will try to use it accordingly: print with it, run servicing routines, etc.
Scanner Validation
By executing this validation, the product will perform the following scanner tests:
●
ScanDump
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Focus
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Skew
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Dead/hot pixels
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Alignment/Stitching
●
Chromatic aberration
●
Streak
●
Gray matching
●
Signal noise
NOTE: Before running the scanner validation check that the calibration sheet is free from dust, spots or
stripes. Check that the calibration sheet is not dirty, wrinkled, scratched or folded.
NOTE: Before running the scanner validation open the scanner to check that the glass plate is free of dirt,
dust and scratches. Clean the glass plate if necessary before proceeding.
1. In the Service Utilities submenu, scroll down and select the Scanner validation option.
194 Chapter 4 Diagnostics, Service Utilities and Calibrations ENWW
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