HP Scitex LX600 HP Scitex LX Printer Family - Maintenance and troubleshooting - Page 17

Substrate, Color calibration, Show all

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NOTE: Color calibration is not recommended when the carriage beam is in a higher position than normal or when the ink collector kit has been installed. The calibration process is fully automatic and can be performed unattended after you have loaded substrate of the type you wish to calibrate. The process takes about 18 minutes and consists of the following steps. 1. The Closed-Loop Color Calibration and Ink Restriction Test Chart is printed, which contains scales of patches of each ink used in your printer. 2. The test chart is scanned and color-measured using the HP Embedded Spectrophotometer. If the scan cannot be completed successfully, a message is displayed on the front panel; see Color calibration fails on page 62. 3. From the measurements made by the spectrophotometer, the printer calculates the necessary correction tables to apply to your print jobs, for consistent color printing on that substrate type. Calibration should be done in any of the following circumstances: ● Whenever a printhead is replaced ● Whenever a new substrate type is introduced that has not yet been calibrated with the current set of printheads ● Whenever you notice excessive color differences between prints. Such color differences can be caused by aging and wear of the printheads, changes in substrate characteristics between one roll and another, changing environmental conditions and so on. Whenever you replace a printhead, an alert will remind you to perform color calibration, unless you have disabled the alerts. If printhead alignment and/or substrate-advance compensation are also needed, color calibration should always be the last operation. You can check the color calibration status of your substrates with the HP Internal Print Server or the front panel. In the HP Internal Print Server, select Substrate > Color calibration > Show all. Printer calibration ENWW Color calibration 11

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NOTE:
Color calibration is not recommended when the carriage beam is in a higher position than
normal or when the ink collector kit has been installed.
The calibration process is fully automatic and can be performed unattended after you have loaded
substrate of the type you wish to calibrate. The process takes about 18 minutes and consists of the
following steps.
1.
The Closed-Loop Color Calibration and Ink Restriction Test Chart is printed, which contains
scales of patches of each ink used in your printer.
2.
The test chart is scanned and color-measured using the HP Embedded Spectrophotometer. If
the scan cannot be completed successfully, a message is displayed on the front panel; see
Color calibration fails
on page
62
.
3.
From the measurements made by the spectrophotometer, the printer calculates the necessary
correction tables to apply to your print jobs, for consistent color printing on that substrate type.
Calibration should be done in any of the following circumstances:
●
Whenever a printhead is replaced
●
Whenever a new substrate type is introduced that has not yet been calibrated with the current
set of printheads
●
Whenever you notice excessive color differences between prints. Such color differences can be
caused by aging and wear of the printheads, changes in substrate characteristics between one
roll and another, changing environmental conditions and so on.
Whenever you replace a printhead, an alert will remind you to perform color calibration, unless you
have disabled the alerts. If printhead alignment and/or substrate-advance compensation are also
needed, color calibration should always be the last operation.
You can check the color calibration status of your substrates with the HP Internal Print Server or the
front panel. In the HP Internal Print Server, select
Substrate
>
Color calibration
>
Show all
.
ENWW
Color calibration
11
Printer calibration