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Riso MV Series

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Replacement. Mechanical control PCB

  1. Remove the first and second print drums out from the machine.
  2. Switch off power, remove the EEPROM and battery from the existing mechanical control PCB, and dismount the existing PCB from the machine.
  3. Reinstall the EEPROM and battery removed in Step (2) to a new mechanical control PCB and mount the new mechanical control PCB on the machine.
  4. Download the firmware for the mechanical control PCB (See the appropriate section of this Chapter). The firmware version to download must be the same version as it was on the previous Mechanical control PCB to match with the firmware version now on the existing SH4F PCB on the machine.
  5. Download the DSP software (See the appropriate section of this Chapter). The DSP software version should be the same version that was on the pervious Mechanical control PCB to match with the firmware versions on the Mechanical control PCB and SH4F PCB.
  6. Switch OFF power and enter Test Mode.
  7. Activate Test Mode No. 9874 to access into the protected area Test Mode and run Test Mode No. 1198 (Initialize Memory), and then switch OFF the machine power.
  8. Launch Test Mode again, and before inputting any test mode number, install the two print drums back in the machine. Then run Test Mode No. 883 (Clamp home positioning action), Test Mode No. 893 (Print Drum Lock Release Action), and Test Mode No. 900 (Vertical-centering action), for both the first and second print drums in the order given.
  9. Activate Test Mode No. 9874 again to enter into the protected area test mode.
  10. Without turning the power OFF, run test mode No. 1105 (Main Motor Parameter Acquisition Mode) and Test Mode No. 1106 (Second paper Feed Motor Parameter Acquisition Mode) for both the first and second print drums.
  11. Switch the machine power OFF, and turn it back ON again.
  12. The machine will start up normally if this procedure is performed correctly.
  13. Set the machine calendar and time on the machine from the Admin. tab on the operation panel.
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