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RRP12.6 MACHINE CONTROL UNIT(MCU)(PL 12.2.4)
Removal procedures 1) to 10) and replacement procedures 6) to 15) are applicable to the
case when MACHINE CONTROL UNIT(MCU)is replaced.
Use the wrist strap to protect the PWB from the electrostatic.
[Removal]
1)
Execute diagnostic operation of NVM Save, and evacuate MCU data.
2)
When turning on the power while pressing the
control panel.
3)
Enter the password, push the
comes up.
4)
Press the
5)
Press the
once.
6)
Press the
7)
Press the
8)
After the NVM Save is finished, press the cancel key several times and display the message of
IOT Diag.
9)
Press the
10) Press the
11) Turn off the power.
12) Remove the power cord from the outlet.
13) Remove LEFT COVER. (RRP 1.10)
14) Remove the all connectors on MACHINE CONTROL UNIT(MCU)(PL 12.2.4).
15) Remove the four screws (silver, with a flange, 6mm) that fix MACHINE CONTROL
UNIT(MCU)to the main unit.
16) Remove MACHINE CONTROL UNIT(MCU)from the main unit.
[Replacement]
1)
Attach MACHINE CONTROL UNIT(MCU)to the main unit.
2)
Fix MACHINE CONTROL UNIT(MCU)to the main unit using the four screws (silver, with a
flange, 6mm).
3)
Attach the all connectors on PWBA MCU.
4)
Attach LEFT COVER. (RRP 1.10)
5)
Plug in the power cord to the outlet, and turn the power ON.
6)
Execute diagnostic operation of NVM Load, and write the data into MCU.
7)
When turning on the power while pressing the
control panel.
8)
Enter the password, push the
is displayed.
9)
Press the
10) Press the
once.
11) Press the
12) Press the
13) After the NVM Load is finished, press the cancel key several times and display the message of
IOT Diag.
14) Press the
15) Press the
key twice and push the
key several times and display the message of IOT Diag. Press the
key several times and display the message of NVM settings. Press the
key several times and display the message of MVM Save. Press the
key once and MVM Save is executed.
key several times and display the message of Complete.
key three times and display the message of Ready to Print.
key twice and push the
key several times and display the message of IOT Diag. Press the
key several times and display the message of NVM settings. Press the
key several times and display the message of MVM Load. Press the
key once and MVM Load is executed.
key several times and display the message of Complete.
key three and display the message of Ready to Print.
Chapter 3 Removal and Replacement Procedures (RRPs)
key, the
key, the
3 - 287
key and the menu key on the
key once. The diagnostic screen
key and the menu key on the
key once. The diagnostic message
key once.
key
key once.
key once.
key
key once.
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