CHAPTER 9  PRINT CARRIAGE MODULE
OVERVIEW
Item Description Item Description
1Print Carriage Solenoids (Cover Shown Transparent)6I/O Node Board 3 (Behind Panel)
2Print Carriage Home Sensor7Printhead Mechanism Connector Panel 3Print Carriage Servo Motor8ProFlow Pneumatic Connectors (2 Positions) 4Screen Loader Mechanism9Squeegee Printhead Mechanism
5Squeegee Drip Tray
Item Description Item Description 1Right Hand Printhead5Right Linear Guide Rail
2Timing Belt6Left Hand Printhead
3Print Carriage7Left Linear Guide Rail
4Print Carriage Home Vane
The print carriage enables the following modules to carry out their functions:•Printhead Assembly - to transverse across the screen in the Y direction (print stroke - automatically set from the board width parameter)
•Paste Dispense Module - to supply paste at the required position of the print stroke
•Screen Change Module - to perform a screen load or screen change NOTE
Two types of the printhead assembly are available for fitment to the print carriage:pulleys
a.  Squeegee
b.  ProFlow
Information on both types are detailed in the relevant module chapter of this manual.
All positioning of the print carriage is referenced from the home position and calculated in the machine software, taking into account:
•Board width
•Front and rear print limits
•Front rail justification
The print carriage only homes during initialisation, which can be from power-up or exiting diagnostics.
I/O Node Board 3, located inside the print carriage extrusion, has an onboard temperature and humidity sensor.  For information on I/O Node Board 3 refer to the Machine Control Chapter
For information on the print carriage solenoids refer to the Pneumatics Chapter and the relevant module chapter.
ELECTRICAL SCHEMATIC
ADJUSTMENTS AND SETTINGS
Home Sensor Adjustment
1.Select Unload Screen.
2.Open the front printhead cover
3.Remove the screen from the machine.
4.Close the front printhead cover.
5.Press the System button.
6.Select Maintenance.
7.Select Diagnostics.
8.Use Next or Previous to highlight Print Carriage.
9.Select Select Module.
10.Ensure that Home Print Carriage is highlighted.
11.Select Run Diagnost.
12.Use Next or Previous to highlight Drive Carriage To Rear Position.
13.Select Run Diagnost.
14.Open the front printhead cover.

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