WILLETT 430, Руководство по обслуживанию

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System Calibration and Test: Phase Profile Adjustment
Issue 2
37
Part No. 306-0430-102
Phase Profile Adjustment
1 Ensure that the phase detector is approximately 1 mm from the ink jet. If not, align the printhead as
described in
Printhead Alignment , page 161.
2 From the Calibrate menu select Diagnostics screen .
3 Press enter .
4 Check that the Phase profile is 8 ±1.
If the Phase profile is incorrect, adjust it as follows:
a Remain in the Diagnostics screen and press alt + L,C .
b The display shows Phase Charge.
c Press or to adjust the Phase Charge until the correct
Phase profile is displayed then press
enter
.
d Press
esc
to exit the Diagnostics screen.
5 Ensure that the jet is 4 mm ±0.25 mm from the +ve EHT plate. Also ensure that the 0 V EHT plate is parallel
to the jet. If any adjustments are required, refer to the printhead alignment procedure in
Printhead
Alignment , page 161.
Phase Offset Calibration
Set the phase offset to 11.
Print Charge Value Calibration
1 Enter a test message that represents the specific customer requirement.
2 From the Calibrate menu select Charge Value .
3 Press
enter
.