HP Indigo 7500 Blanket Creep Troubleshooting - Page 8

Print Care, Bypasses, Auto first transfer calibration, Auto Bias, Main Menu, Print Preference

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1 ITM drum 2 Blanket 3 Anti-seam 4 Gap1 5 Gap2 7. Note the measured values of the front and rear. These are the Before cold start values. 8. At the press UI, touch the Print Care icon > Bypasses and bypass the following:: ● Auto first transfer calibration (in the ILS tab). ● Auto Bias (under Processes). This is not relevant for software version 12.0 or later. 9. Bypass Color Calibration by touching Main Menu > Print Preference > Color Calibration tab > verify that the Enable automatic color calibration check box is not selected. 10. Change the following Systab values (list the values prior to any change): ● imprEngagePropertiesTopic > warmupSubstrateThickness (default 300) = 600 ● imprEngagePropertiesTopic > warmupSubstratePressure (default 300) = 200 ● engineconfigTopic > enableNewPause = True ● bypassTableTopic > impressionEngage = True ● bypassTableTopic > blanketCreepSolution = False ● miscEngineTopic > pauseTImeoutInSec = 780 (from 3 min to 13 min) 11. Change the press to Ready, with cold start, as follows: a. Open the Systab editor. b. Browse to coldStartTopic > forceLongColdStart c. In the Dynamic column, change FALSE to TRUE. 12. When the press reaches Ready, note the blanket movement at the front and rear. These are the After cold start values. 6 Chapter 3 Procedures

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1
ITM drum
4
Gap1
2
Blanket
5
Gap2
3
Anti-seam
7.
Note the measured values of the
front
and
rear
. These are the
Before cold start
values.
8.
At the press UI, touch the
Print Care
icon >
Bypasses
and bypass the following::
●
Auto first transfer calibration
(in the
ILS
tab).
●
Auto Bias
(under
Processes
). This is not relevant for software version 12.0 or later.
9.
Bypass Color Calibration by touching
Main Menu
>
Print Preference
>
Color Calibration
tab > verify
that the
Enable automatic color calibration
check box is not selected.
10.
Change the following Systab values (list the values prior to any change):
●
imprEngagePropertiesTopic > warmupSubstrateThickness (default 300) =
600
●
imprEngagePropertiesTopic > warmupSubstratePressure (default 300) =
200
●
engineconfigTopic > enableNewPause =
True
●
bypassTableTopic > impressionEngage =
True
●
bypassTableTopic > blanketCreepSolution =
False
●
miscEngineTopic > pauseTImeoutInSec =
780
(from 3 min to 13 min)
11.
Change the press to Ready, with cold start, as follows:
a.
Open the Systab editor.
b.
Browse to
coldStartTopic
>
forceLongColdStart
c.
In the
Dynamic
column, change
FALSE
to
TRUE
.
12.
When the press reaches Ready, note the blanket movement at the
front
and
rear
. These are the
After cold start
values.
6
Chapter 3
Procedures