Versamark DS5600 Series - Kodak

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Chapter 2. Operation Print Station Operation Table 2.3 Service menu function (Continued) Item 7 Sequence summary Description Allows you to review the current values, times, and states for print station valves, motors, and sensors. Selecting this item displays the Sequence Summary screen. The following sequences can be selected: • Ready • Shutdown PH • Standby • Short Recover • Install Clean • Vacuum/Ink Fill • Long Clean • Service Clean • Fast Ready • Step to Ready • Fast Recover • Clean • Ink Too High • Shutdown PH • Carryover 8 Control menu Used to exit to the Control Menu. 9 Parameters menu Used by supervisors, field engineers or maintenance technicians to perform more detailed maintenance. The Parameter Menu screen is password protected. Parameters Menu Procedures Use the selections on the Parameters Menu (Figure 2.20) to configure the DT3 print station and printhead. Figure 2.20 Parameters Menu, DT3 print station software ** PARAMETERS MENU ** Function Selections 1 Pressure 2 Vacuum 3 Stim. / Stimgram 4 Stim. phase 5 Charge voltage 6 --------- 7 Standby 8 Service menu 9 Setup menu Choose a function, enter the number Press F1/F2 key for HELP. These settings are critical to proper operation of the equipment and should be done at installation. Changes should be made only by a service technician. This menu is password protected. Note:Press F10 to display information about the hours of operation for the print station and printhead, the versions of software installed, and the type of ink in use. If necessary, make changes to the following parameters after consulting a service technician or technical support: • Pressure adjustment • Vacuum Adjustment • Stim adjustment • Stim phase adjustment • Charge voltage adjustment 38 <strong>DS5600</strong> <strong>Series</strong> Printing Systems
Chapter 2. Operation Print Station Operation The following sections describe how the functions of these parameters. Pressure Adjustment This procedure should only be done to match adjacent printhead ink coverage. Consult a service technician before adjusting pressure. Caution: Do not change the center point of the pressure by more than 1.5 psi (10.3 kPa). Note: You have a range of 1 psi (6.8 kPa) above and below the center point for a total range of 2.0 psi (13.2 kPa). Changes of more than 0.5 psi (3.4 kPa) may require changes to the charge voltage and stimulation phase. Printhead operation depends on the correct relationship of pressure, charge voltage, and stimulation phase. Use the following procedure to change the center point of the operator ink pressure adjustment range. 1. From the Control Menu screen, select Service Menu (8). 2. Select Parameters Menu (9), and enter the password. 3. Select Pressure (1). Note: The pressure can be changed for one sequence (S) or all sequences (G). 4. Select (G). Caution: Do not change the center point of the pressure by more than 1.5 psi. 5. Change the pressure setting by small amounts to find the lowest pressure setting that prints without light print. If the system uses multiple print stations, compare the print darkness to an adjacent printhead's test patterns as well. Lowest pressure setting: ________ psi. Note:If possible, avoid changing the pressure more than ±1.0 psi from the value entered on the Printhead Information Sheet. 6. Change the pressure setting by small amounts to find the highest pressure setting that prints without dark print. If the system uses multiple print stations, compare the print darkness to an adjacent printhead's test patterns as well. Highest pressure setting: ________ psi. 7. Calculate the center of the pressure range by subtracting the lower pressure from the upper pressure. This value is the operator's pressure range. Vacuum Adjustment The vacuum adjustment should be done only by a trained service technician. It is never required as part of normal operation. It is done during installation and then checked and adjusted if the print station, printhead, or umbilical is moved. Operator Guide 39
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Versamark DS5600 Series - Kodak

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