Canon GP160DF Service Manual page 602

CHAPTER 5 SELF DIAGNOSIS
##226 [TX/RX] System error (main program error)
• CPU malfunctioned due to noise.
##229 [RX] Memory reception due to recording system lock
• Unknown.
##0232 [TX] ENCODE control unit malfunction
• ENCODE control's UPI operation did not
end normally.
##0237 [RX] DECODE control unit malfunction
• DECODE control's UPI operation did not
end normally.
##0238 [RX] PRINT control unit malfunction
• PRINT control's UPI operation did not end
normally.
5-14
Cause
Cause
Cause
Cause
Cause
Countermeasure
• Turn the power off then on.
Countermeasure
• Press the start key and print the image.
Countermeasure
• Replace the image processor PCB.
Countermeasure
• Replace image processor PCB.
Countermeasure
• Replace the DC controller PCB.