Calibrating Ink Density Using An External Densitometer; Adjusting Ink Conductivity - HP Indigo press 3050 User Manual

10 In the Inks Properties window, turn the pump off.
Setting the ink pump flow rate
Ink flow rate is controlled by the ink pump valves. They are located behind the ink cans
(see Figure 16-42). Rotating a valve counterclockwise opens the valve and increases the
ink flow. Rotating it clockwise closes the valve and decreases the ink flow.
Use the following procedure to set the ink pump flow rate:
1
2
Ink valve regulator
Figure 16-42. Ink pump flow rate regulator
3
4

Calibrating ink density using an external densitometer

Before you start this procedure, make sure that you have an external calibrated ink
densitometer. It is important to build a solid color for calibration. Make sure you have a
sufficient amount of solids present in the ink.
1
2
3

Adjusting ink conductivity

1
2
3
4
5
248 Chapter 16 Binary ink developer (BID)
Open the ink cabinet door.
Close the required ink valve all the way.
To increase ink flow rate, turn
counterclockwise
Turn the required ink valve regulator five and a half revolutions counterclockwise.
Close the ink cabinet door.
On the control panel, click the Adjustment menu, and then select Calibrate Density.
The Calibrate Density wizard opens.
Press the F1 key. The online help opens.
Follow the procedure described in the Help window.
On the control panel, click Get Ready.
In the Diagnostics menu, select Ink. The Inks Properties window opens.
For the tank(s) that you want to check, click Pump.
Check that the temperature of the ink is 30° C ±1° C (86° F ±1° F). The temperature of
the ink affects the reading of the conductivity. (The current temperature of the tank
appears below the conductivity gauge.)
Current conductivity is indicated by a solid bar and displays digitally under each
gauge.
ENWW