Chapter 2: Service Error Codes
2-75
Cause
Remedy
##347
[ TX/RX ] RAM/DRAM check error has occurred for
BJ printer control
• Turn off and then on the power.
• Replace the ROM used to control the BJ
printer.
• Turn off and then on the power.
• Replace the PCB that includes the DRAM
used to control the BJ printer.
• Turn off and then on the power.
• Replace the system control board.
• The ROM used to control the BJ printer is
faulty.
• The DRAM used to control the BJ printer
is faulty.
• The system control board is faulty.
Cause
Remedy
##346
[ TX/RX ] The machine inside temperature is faulty
• Turn off the power, and disconnect the
power cord; then, leave the machine alone
for a while so that the inside of the ma-
chine cools.
• Replace the thermistor.
• Replace the PCB that includes the ther-
mistor.
• Turn off and then on the power.
• Replace the system control board.
• The inside of the machine has overheated.
• The thermistor is faulty.
• The system control board is faulty.
Содержание PowerShot G3
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