Brother International HL-3400CN Service Manual - Page 88
Control, System, Print, Process
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UPC - 012502526223
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HL-3400CN SERVICE MANUAL 2.2 Control System - Control of the Print Process A Micro CPU mounted on the MCTL PWB controls the print processes. Host Computer Control Panel Main Motor Cooling Fan Cooling Fan DM Scanner Motor Belt Sensor Drum Sensor ATC pcs.) Y MCK LDU PD I/F Controller Video Controller I/F Control MCTL (Engine Controller) Sequence Control Temperature Control Toner Connection Control Control Panel Control Error Clearance Program Cleaning Roller Sensor Oil Sensor Fusing Unit DC Power Supply Unit High Voltage Unit Interlock Switches --o- o-cTo-c70 Fig. 4-33 CPU Laser Control Paper Empty Sensor Paper Feed Sensor Toner Empty Sensor Paper Size Sensor Paper Exit Sensor OHP Sensor Drum Jam Sensor Cleaning Roller Sensor Drum Encoder Belt Sensor Oil Sensor Paper Full Sensor Waste Toner Sensor Toner Key Sensor Developer Sensor Temperature Sensor 4-37
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