Toshiba e-STUDIO350 - Page 7

November 2003 © TOSHIBA TEC iii e-STUDIO3511/4511 CONTENTS
9. PAPER FEEDING SYSTEM ........................................................................................... 9-1
9.1 Functions ............................................................................................................................ 9-1
9.2 Operation ............................................................................................................................ 9-5
9.2.1 Operation of bypass pickup roller ............................................................................ 9-5
9.2.2 Operation of drawer pickup roller ............................................................................ 9-5
9.2.3 Separation of paper ................................................................................................... 9-6
9.2.4 General operation ................................................................................................... 9-7
9.3 Drive Circuit of Tray-up Motor ............................................................................................. 9-9
9.4 Disassembly and Replacement ........................................................................................ 9-10
10. DRIVE SYSTEM .......................................................................................................... 10-1
10.1 General Description ........................................................................................................ 10-1
10.2 Functions ........................................................................................................................ 10-1
10.3 Main Motor...................................................................................................................... 10-2
10.3.1 Main motor drive ................................................................................................... 10-2
10.3.2 Control signals ...................................................................................................... 10-3
10.4 Disassembly and Replacement ....................................................................................... 10-4
11. DRUM RELATED SECTION....................................................................................... 11-1
11.1 Configuration .................................................................................................................... 11-1
11.2 Functions ......................................................................................................................... 11-2
11.3 Output Control Circuits of High-Voltage Transformer ....................................................... 11-5
11.3.1 Overview .............................................................................................................. 11-5
11.3.2 Description of operations ...................................................................................... 11-5
11.4 Drum Temperature Detection Circuit .............................................................................. 11-7
11.5 Temperature/Humidity Sensor ........................................................................................ 11-8
11.5.1 General description ............................................................................................... 11-8
11.5.2 Construction .......................................................................................................... 11-8
11.6 Disassembly and Replacement ...................................................................................... 11-9
12. DEVELOPMENT SYSTEM ......................................................................................... 12-1
12.1 Configuration ................................................................................................................... 12-1
12.2 Functions ......................................................................................................................... 12-2
12.3 Drive Circuit of Toner Motor ............................................................................................. 12-3
12.4 Auto-Toner Circuit ............................................................................................................ 12-4
12.4.1 General description ............................................................................................... 12-4
12.4.2 Function of auto-toner sensor ............................................................................... 12-5
12.4.3 Adjustment using the temperature / humidity sensor ............................................ 12-7
12.4.4 Adjustment using the drum thermistor .................................................................. 12-7
12.5 Disassembly and Replacement ....................................................................................... 128
13. FUSER UNIT / PAPER EXIT SECTION ...................................................................... 13-1
13.1 General Description .......................................................................................................... 13-1
13.2 Operation ......................................................................................................................... 13-1
13.3 Functions .......................................................................................................................... 13-2