Replacing The Pcb Cpu - CAB HERMES Q Series Service Manual

4 Replacing Assembly Units
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4.5

Replacing the PCB CPU

Danger!
Risk of death via electric shock!
 Before opening the housing cover, disconnect the device from the mains supply and wait at least one
minute until the power supply unit has discharged.
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2
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Figure 9
1. If possible, save the printer configuration to an external medium  Configuration Manual.
2. Unplug the printer from the electrical outlet.
3. Detach all interface cables from the back of the printer.
4. Remove all memory media from the slots.
5. Dismount the rear cover.
6. Unplug all plug connections (3-10) from the PCB CPU (2).
7. Loosen screws (1) and remove PCB CPU (2).
8. Attach the new PCB CPU (2) with four screws (1).
9. Connect all cables to the PCB CPU (2).
10. Mount the rear cover.
11. Restore all interface connections on the back of the printer.
12. Connect the power cable.
13. Update the firmware if necessary.
14. Select the matching Printer model  Configuration Manual.
15. Adjust the label sensor  Configuration Manual.
16. Load the printer configuration from the memory medium if possible. Otherwise, set the printer configuration via
control panel  Configuration Manual.
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Replacing the PCB CPU
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3
4
1 4 screws
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2 PCB CPU
6
Connectors
3 CON17 - Switch locking system
4 CON12 - Control panel
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5 CON15 - Winding sensor
6 CON11 - Sensors
7 CON10 - Printhead
8 CON9 - Power supply
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9 CON8 - Stepper motor
10 CON7 - I/O interface
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