Toshiba MR-3018 4. DISASSEMBLY AND ASSEMBLY

June 2005 © TOSHIBA TEC MR-3018 DISASSEMBLY AND ASSEMBLY

4 - 1

4. DISASSEMBLY AND ASSEMBLY

4.1 Cover

[A] Front cover

(1) Open the RADF and remove 3 screws.

Fig.4-1

(2) Close the RADF.

(3) Open the jam access cover and remove 2

screws.

Fig.4-2

(4) Take off the front cover toward you.

Fig.4-3

Front cover

Contents

Main Page General Precautions for Installation/Servicing/Maintenance for the MR-3018 Page CONTENTS Page 1. Specification Page 2. GENERAL DESCRIPTION 2.1 Main Components Original exit tray section Original tray section Drive/Control section Feeding/Transporting section 2.2 Sectional View 2.3 Electric Parts Layout 2.4 Symbols and Functions of Various Components 1) Motors 4) PC board 2) Sensors and Switches 3) Solenoid 2.5 Diagram of Signal Blocks 2.6 Description of Interface Signals RADF Equipment 3. DESCRIPTION OF OPERATIONS 3.1 DRIVE SYSTEM 3.1.1 Outline 3.1.2 Original feed motor drive section Pickup roller 3.1.3 Read motor drive section 3.1.4 Original exit/reverse motor drive section 3.2 Original Size Detection 3.2.1 Outline 3.2.2 Original tray width sensor 3.2.3 Original width detection sensors-1 and -2 / Original length detection sensor A4 series (width sizes mixed at B5-R standard) A4 series (width sizes mixed at A3 / A4 standard) A4 series (width sizes mixed at B4 / B5 standard) A4 series (width sizes mixed at A4-R standard) LT series (ORG-SRS: 0) LT series (width sizes mixed at LD / LT standard) LT series (width sizes mixed at LG / LT-R standard) 3.3 FLOW CHART Page Page Page Page Page Page Page 3.4 DESCRIPTION OF CIRCUIT 3.4.1 Drive Circuit for Feed Motor 3.4.2 Drive Circuit for Read Motor 3.4.3 Drive Circuit for Exit Motor 3.4.4 Drive Circuit for FAN Motor 3.4.5 Reset Circuit 3.4.6 Drive Circuit for Pickup Solenoid Page 4. DISASSEMBLY AND ASSEMBLY 4.1 Cover Page Page Page Page 4.2 Roller Page Page Page Page Page Page Page Page Page Page Page 4.3 Motor / Motor drive section Page Page Page Page Page 4.4 Solenoid Page 4.5 Sensor/switch Page Page Page Page Page Page Page 4.6 PC Board 4.7 Others Page 5. Adjustment 5.1 Adjustment of Position Page Page Page Page 5.2 Adjustment of Height Page 5.3 Adjustment of Skew Page Page 5.4 Adjustment of the Leading Edge Position E Page 5.5 Adjustment of Horizontal Position G H 5.6 Adjustment of Copy Ratio I Page Page 6. Troubleshooting 6.1 Troubleshooting for Mechanical Errors 6.2 Troubleshooting for Electrical Errors Page Page 7. MAINTENANCE AND REWRITING ROM 7.1 Periodic Maintenance 10 11 6 78 7.2 Rewriting ROM (Firmware Updating) Page MR-3018 CIRCUIT DIAGRAM / HARNESS DIAGRAM June 2005 TOSHIBA TEC 8 - 2 8.2 Circuit Diagram PWA-F-DLM-320 PWA-F-DLG-623 Original feed motor Original pickup solenoid PWA-F-DLG-623 June 2005 TOSHIBA TEC MR-3018 CIRCUIT DIAGRAM / HARNESS DIAGRAM 8 - 3 Original tray sensor Original tray