Canon iR7086 Series Service Manual

Contents

Canon iR7086 Series Service Manual Manual pdf 258 page image

Chapter 77-12F-7-177.5.1.2 Primary Charging Assembly Cleaning Mechanism 0010-8051iR7105 / iR7095 / iR7086 DC controller PCBHigh-voltage DC PCBJ510A J7233456789101112131415161718 123456789101112131415160 V24 VH24 VHGRID-CNTPRIMARY_ERRVoltage input (between 0 and 12 V).Uses this voltage to control the current value of theprimary charging bias.GNDGND1 2 3 4Relay PCBPrimary charging wireGrid wireT601J731If the current is too high or too low, '0'.Voltage input (between 0 and 12 V).Uses this voltage to control the voltage value of the grid bias.3V 11V 12V1600 A800 AThe primary charging bias varies as followsin keeping with the potential of PR-CNT:900V300VThe grid bias varies as follows in keepingwith the potential of GRD-CNT:PR-CNT3V 11VGRD-CNT12VGrid biasPrimary charging biasWhen '1', high-voltage output is ready.171821PRIMARY_CNTHVDC_REMOTEJ721