DOWNLOAD Panasonic KX-MB1900UCB / KX-MB2020UCB (serv.man2) Service Manual ↓ Size: 17.86 MB | Pages: 127 in PDF or view online for FREE

121

KX-MB1900UCB/KX-MB2020UCB

"CALL SERVICE 3" means that the temperature of the fuser does not rise up to or exceed a constant temperature.
The temperature is monitored with the thermistor inside the fuser and detected with the voltage input into IC 300-D19.

* When Call Service 3 is occurred, the cause can be distinguished by service mode  655.
Refer to CALL SERVICE Troubleshooting Guide (P.118) for details.

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KX-MB1900UCB/KX-MB2020UCB

"CALL SERVICE 4" means that the FAN does not run or the running of the FAN cannot be detected normally.
The running of the FAN is detected by IC300-AC20 and W24pin. "CALL SERVICE 4" is displayed when it detects NG three times
continuously.
After repairing, copy three times.If “CALL SERVICE 4 “ is displayed, check again.

123

KX-MB1900UCB/KX-MB2020UCB

“CALL SERVICE 5” means that Engine DC motor’s rotation detection signal (LD) does not become Low.

124

KX-MB1900UCB/KX-MB2020UCB

“CALL SERVICE 6” indicates that abnormal charge voltage is output from the high voltage unit.