Service Manual
Page 9
...Based Printing HDD Hard Disk Drive HV high voltage HVPS High Voltage Power Supply I/F interface I/O Input and Output IC integrated circuit IDE IEEE IPA IPM LAN lb LBP LCD LED LSU MB MHz NVRAM OPC PBA PCL PDL PPM PTL Q'ty RAM ROM...Inc Isopropy Alcohol Images Per Minute local area network pound(s) Laser Beam Printer Liquid Crystal Display Light Emitting Diode Laser Scanning Unit Megabyte Megahertz Nonvolatile random access memory Organic Photo Conductor Printed Board Assembly Printer Command Language , Printer Control Language Page Discription Language Page Per Minute Pre-Transfer Lamp...
...Based Printing HDD Hard Disk Drive HV high voltage HVPS High Voltage Power Supply I/F interface I/O Input and Output IC integrated circuit IDE IEEE IPA IPM LAN lb LBP LCD LED LSU MB MHz NVRAM OPC PBA PCL PDL PPM PTL Q'ty RAM ROM...Inc Isopropy Alcohol Images Per Minute local area network pound(s) Laser Beam Printer Liquid Crystal Display Light Emitting Diode Laser Scanning Unit Megabyte Megahertz Nonvolatile random access memory Organic Photo Conductor Printed Board Assembly Printer Command Language , Printer Control Language Page Discription Language Page Per Minute Pre-Transfer Lamp...
Service Manual
Page 36
...on among the panel LEDs. 2) MP Sensing The MP Sensor (Photo Interrupter) on the engine board informs the CPU as to whether the cassette is empty or not with operation of the actuator. ... sensor part), it is selected. Summary of Product 4.3.4 Sensor input circuit 1) Paper Empty Sensor The Paper empty sensor (Photo Interrupter) on the engine board informs the CPU as to whether the MP is empty or not....HVPS), which is emitted when the solenoid is de-energizing. 7) Motor Driving The motor driving circuit is formed when the Driver IC is selected. When it is high, the fan is driven by...
...on among the panel LEDs. 2) MP Sensing The MP Sensor (Photo Interrupter) on the engine board informs the CPU as to whether the cassette is empty or not with operation of the actuator. ... sensor part), it is selected. Summary of Product 4.3.4 Sensor input circuit 1) Paper Empty Sensor The Paper empty sensor (Photo Interrupter) on the engine board informs the CPU as to whether the MP is empty or not....HVPS), which is emitted when the solenoid is de-energizing. 7) Motor Driving The motor driving circuit is formed when the Driver IC is selected. When it is high, the fan is driven by...
Service Manual
Page 43
...A communication method with a CPU of HOLTEC CO. Also, there is a ring detect circuit to detect a ring signal from an external high voltage supply applied to a line input unit. 4.7 OPE PBA OPE board is consists of various function keys and LCD to display an operation of key. MICOM ...and RXD. 4-20 Service Manual Summary of Product 4.6 LIU PBA LIU board is a Line interface unit, and it from a switchboard and a surge absorber to protect it is a circuit for interfacing a telephone line with a modem. The circuit is consisted of matching transfer to conform to impedance of a receiving telephone ...
...A communication method with a CPU of HOLTEC CO. Also, there is a ring detect circuit to detect a ring signal from an external high voltage supply applied to a line input unit. 4.7 OPE PBA OPE board is consists of various function keys and LCD to display an operation of key. MICOM ...and RXD. 4-20 Service Manual Summary of Product 4.6 LIU PBA LIU board is a Line interface unit, and it from a switchboard and a surge absorber to protect it is a circuit for interfacing a telephone line with a modem. The circuit is consisted of matching transfer to conform to impedance of a receiving telephone ...
Service Manual
Page 149
...separated Module which focus on common and standard design of 2 CPU and 1 Board. Smart DAA CX20493 AC 110V/220V SMPS INLET & POWER S/W 26P +...PTL 2P DEV_FUSE Service Manual 11-1 main control part adopting Fax & LBP Printer exclusive Controller is connected with Main by Harness . Circuit Description Circuit Diagram 11.1 System Configurations SCX-4920N is designed to apply TBR21 standard(...Not Used SDRAM(16MB o r 32MB) DRAM Backup logic PCL6(2MB x 2ea) PS3(2MB x 2ea) : DELL PS3 / PCL6 DIMM(SEC) MEMORY DIMM MODEM SFM336 33.6KBP THERM AU DIO Drv. Line Interface part is roughly...
...separated Module which focus on common and standard design of 2 CPU and 1 Board. Smart DAA CX20493 AC 110V/220V SMPS INLET & POWER S/W 26P +...PTL 2P DEV_FUSE Service Manual 11-1 main control part adopting Fax & LBP Printer exclusive Controller is connected with Main by Harness . Circuit Description Circuit Diagram 11.1 System Configurations SCX-4920N is designed to apply TBR21 standard(...Not Used SDRAM(16MB o r 32MB) DRAM Backup logic PCL6(2MB x 2ea) PS3(2MB x 2ea) : DELL PS3 / PCL6 DIMM(SEC) MEMORY DIMM MODEM SFM336 33.6KBP THERM AU DIO Drv. Line Interface part is roughly...
Service Manual
Page 159
Service Manual 11-11 USB Cable (not supplied by CPU command of Main Control Part and report Key recognition Data to Main Control Board. Circuit Diagram 1) Scanning Device: 2) Supported Operating Systems: 3) Compatibility: 4) Maximum Scan Width: 5) Effective Scan Width: 6) Optical Resolution: 7) Interpolated Resolution: 8) Preview Scan: ADF Linearity : Gray Scale : Color : (USB 1.1, ...
Service Manual 11-11 USB Cable (not supplied by CPU command of Main Control Part and report Key recognition Data to Main Control Board. Circuit Diagram 1) Scanning Device: 2) Supported Operating Systems: 3) Compatibility: 4) Maximum Scan Width: 5) Effective Scan Width: 6) Optical Resolution: 7) Interpolated Resolution: 8) Preview Scan: ADF Linearity : Gray Scale : Color : (USB 1.1, ...
Service Manual
Page 160
...Requires 6 ft. sequenced 1 to the LSU and manages the conduct of Electrophotography for printing. The Engine Board and the Controller Board are directly inputted to the main board. 1) Printing Method: Laser-based Electrophotography 2) Supported Operating Systems: Windows 98/2000/NT4.0/ME/XP/ MAC (English only, no ... The CPU is consisted of CPU part and print part in one united board, and it functions as Bus Control, I /O handling, drivers, and PC interface. Circuit Diagram 11.4 Printer Section Printer is consisted of the Engine parts and F/W, and said engine parts is ...
...Requires 6 ft. sequenced 1 to the LSU and manages the conduct of Electrophotography for printing. The Engine Board and the Controller Board are directly inputted to the main board. 1) Printing Method: Laser-based Electrophotography 2) Supported Operating Systems: Windows 98/2000/NT4.0/ME/XP/ MAC (English only, no ... The CPU is consisted of CPU part and print part in one united board, and it functions as Bus Control, I /O handling, drivers, and PC interface. Circuit Diagram 11.4 Printer Section Printer is consisted of the Engine parts and F/W, and said engine parts is ...
Service Manual
Page 164
The HVPS board creates the high voltage of THV/MHV/Supply/Dev and supplies it to the developer part for making best condition to the toner, OPC cartridge, ... voltage for Pulse mode) 11.7 SMPS & HVPS Section The SMPS supplies DC Power to the main board and ADF board. It takes 110V/220V and outputs the +5V, +24V to supply the power to the System. Circuit Diagram 11.6 Telephone Section 1) Speed Dial: 2) On-hook Dial (manual fax): 3) Last Number Redial: 4) Automatic Redial...
The HVPS board creates the high voltage of THV/MHV/Supply/Dev and supplies it to the developer part for making best condition to the toner, OPC cartridge, ... voltage for Pulse mode) 11.7 SMPS & HVPS Section The SMPS supplies DC Power to the main board and ADF board. It takes 110V/220V and outputs the +5V, +24V to supply the power to the System. Circuit Diagram 11.6 Telephone Section 1) Speed Dial: 2) On-hook Dial (manual fax): 3) Last Number Redial: 4) Automatic Redial...