Question about Canon I-Sensys Lbp5050 Laser Printer

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Printer is not turning on

Turned off power and put it back on but nothing as yet

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Hi dear friend , seems your problem is depend to dc controler board which makes hi and low voltages and sends them to other sections like drive motor-display - laser unit - fusing section and other parts in the mashine . If you are a technision so you know well what can you do , if not , just follow power cord and check if there is in put AC voltage ( 220 or 110 volts)on the power supply board ? If you saw the voltage on the diode bridge go a little further on the maun capacitor and check about 300 dc volts on it . If there is not ac and dc volts , you should remove main connection from power supply to dc board then check the voltages that mentioned . Remember that , this is step by step diagnostic finding issue and all of my prefers to you was depend to this point that be careful and if there is nothing voltage even on the panel lights . Good luck

Posted on Nov 25, 2014

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