Brother International HL-3400CN Service Manual - Page 114

HL-3400CN SERVICE MANUAL 2.5 High-voltage Power Supply Unit (1) Outputs and Function No. Function Power Supply (P/S) P/S Name Approx. Output Voltage 1 Charging CHV(-) (4.6KV) 600µA 2 First transfer CBV(-) 200V - 900V 3 Developing Y, M bias C,K DBV(-A) DBV(-B) 200V - 400V 200V - 400V 4 Second transfer THV(+) 400V - 3,000V 5 Transfer roller cleaning 6 Paper discharging 7 Drum cleaning THV(-) ACV(-) DCV(+) FCBV 600V 4.9KV 400V 200V - 1,000V (2) Layout of Connector Pin Assignment See Fig.4-41 below; DBV (C) DBV (M) DBV (Y) O D200 CI DBV (K) t=4 OCBV ZD1 D508 O T501 T301 B8I3504 ao O T701 D001 D703 T801 10 DI4O oi O805 T801 AC * D004 a O THV T802 ACV O O if O O ° IC102 ii t Ri001 VoR701 c2 2 IC101 5 88". GIQ IC; L. Al g NN IP001 E (1 68 8 O11 8 8 N38 - : 301 178 og IC001D00182 Dt 5i 6I2 tDiosZI 8.4 .5] IJ 2 BCN1 T401 VREF °MI IC801 "r792 FCBV N D400 -] TA5 Fig. 4-41 4-63