Changing The Circuit Board - CAB MACH 4.3S/200B Service Manual

2 Changing Assembly Parts
2.11

Changing the Circuit Board

Danger!
Danger of electrocution.
 Before opening the pinter cover disconnect the device from the power source and wait at least one
minute until the device has discharged the remaining residual energy.
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Fig. 11 Changing the CPU circuit board
1. If possible save the printer configuration onto an external memory medium  Printer configuration.
2. Disconnect the printer from the power supply.
3. Disconnect all interface cables from the back of the printer.
4. Remove all removable storage mediums.
5. Remove the printer cover ( 2.3 on page 8).
6. Disconnect all push on connectors (3-7, 9) from the CPU circuit board.
7. Remove the four screws (2) of the circuit board.
8. Insert the new CPU circuit board (1) with the previous four screws (2) whilst connecting the ground wire (8).
9. Reconnect all the push on connectors (3-7, 9) to the circuit board.
10. Reassemble the cover ( 2.3 on page 8).
11. Reconnect all interface cables from the back of the printer.
12. Reestablish the power connection.
13. If required, guide the device through an update.
14. Synchronize the light barrier  Configuration Manual.
15. If possible, load the settings from the removable storage device via the control panel  Configuration Manual.
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1 Circuit board CPU
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2 4 Screws
Connections
3 CON8 - stepper motor
4 CON9 - power supply
5 CON10 - printhead
6 CON11 - sensors
7 CON12 - control panel
8 Ground wire
9 CON13 - Ventilator
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