BenutzerhandbuchInhaltsverzeichnisGENERAL PRECAUTIONS REGARDING THE INSTALLATION3CONTENTS51. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES91.1 Specifications91.2 Accessories131.3 Options141.3.1 e-STUDIO350/450141.3.2 e-STUDIO352/353/452/453151.4 Supplies171.5 System List181.5.1 e-STUDIO350/450181.5.2 e-STUDIO352/353/452/453192. OUTLINE OF THE MACHINE212.1 Sectional View212.2 Electric Parts Layout252.3 Symbols and Functions of Various Components352.4 General Description422.4.1 System block diagram422.4.2 Construction of boards442.5 Installation and Replacement of472.5.1 External covers472.5.2 PC boards532.6 Options613. COPY PROCESS833.1 General Description of Copying Process833.2 Details of Copying Process843.3 Comparison with DP4500/3500924. GENERAL OPERATION934.1 Overview of Operation934.2 Description of Operation934.2.1 Warming-up934.2.2 Ready state (ready for copying)944.2.3 Drawer feed copying (Upper drawer paper feeding)944.2.4 Bypass feed copying974.2.5 Interruption copying974.3 Detection of Abnormality984.3.1 Types of abnormality984.3.2 Description of abnormality994.4 Flow Chart1044.4.1 Immediately after the power is turned ON1044.4.2 Automatic paper feed copying1065. CONTROL PANEL1095.1 Control Panel and Display Panel1095.2 Items Shown on the Display Panel1105.2.1 Display1115.3 Relation between the Equipment State and Operator’s Operation1165.4 Description of Operation1175.4.1 Dot matrix LCD circuit1175.4.2 LED display circuit1195.5 Disassembly and Replacement1206. SCANNER1236.1 Function1236.2 Construction1246.3 Description of Operation1266.3.1 Scan motor1266.3.2 Scanning drive circuit1276.3.3 Initialization at power-ON1296.4 Control of Exposure Lamp1306.4.1 General description1306.4.2 Exposure lamp1316.4.3 Control circuit for the exposure lamp1326.5 General Description of CCD Control1336.5.1 Opto-electronic conversion1336.5.2 Shading correction1336.6 Automatic Original Size Detection Circuit1346.6.1 Principle of original size detection1346.6.2 Process of detection of original size1346.7 Disassembly and Replacement1387. IMAGE PROCESSING1477.1 General Description1477.2 Configuration1497.3 SLG Board1507.3.1 Features1507.3.2 Functions of image processing circuit1517.4 LGC Board1557.4.1 Features1557.4.2 Functions of image processing circuit1557.5 Laser Driving PC Board (LDR board)1568. LASER OPTICAL UNIT1578.1 General Description1578.2 Structure1598.3 Laser Diode1638.4 Laser Optical Unit Cooling Fan1648.5 Polygonal Motor1648.6 Disassembly and Replacement1659. PAPER FEEDING SYSTEM1679.1 Functions1679.2 Operation1719.2.1 Operation of bypass pickup roller1719.2.2 Operation of drawer pickup roller1719.2.3 Separation of paper1729.2.4 General operation1739.3 Drive Circuit of Tray-up Motor1759.4 Disassembly and Replacement17610. DRIVE SYSTEM19710.1 General Description19710.2 Functions19710.3 Main Motor19810.3.1 Main motor drive19810.3.2 Control signals19910.4 Disassembly and Replacement20011. DRUM RELATED SECTION20311.1 Configuration20311.2 Functions20411.3 Output Control Circuits of High-Voltage Transformer20711.3.1 Overview20711.3.2 Description of operations20711.4 Drum Temperature Detection Circuit20911.5 Temperature/Humidity Sensor21011.5.1 General description21011.5.2 Construction21011.6 Disassembly and Replacement21112. DEVELOPMENT SYSTEM22312.1 Configuration22312.2 Functions22412.3 Drive Circuit of Toner Motor22512.4 Auto-Toner Circuit22612.4.1 General description22612.4.2 Function of auto-toner sensor22712.4.3 Adjustment using the temperature / humidity sensor22912.4.4 Adjustment using the drum thermistor22912.5 Disassembly and Replacement23013. FUSER UNIT / PAPER EXIT SECTION23913.1 General Description23913.2 Operation23913.3 Functions24013.4 Heater Control Circuit24213.4.1 Configuration24213.4.2 Heating principle of IH Heater24313.4.3 IH control circuit interface24413.4.4 Relation between system configuration and IH output24513.4.5 Temperature detection section24613.4.6 Abnormality in the IH control circuit25113.5 Control Circuit of Exit Motor25313.7 Disassembly and Replacement25414. AUTOMATIC DUPLEXING UNIT (ADU)26514.1 General Description26514.2 Description of Operations26614.3 Drive of ADU27214.4 Flow Chart27314.5 Disassembly and Replacement27515. POWER SUPPLY UNIT28515.1 Construction28515.2 Operation of DC Output Circuits28515.3 Output Channel28615.4 Fuse28815.5 Configuration of Power Supply Unit28915.6 Sequence of Power Supply29015.7 AC Wire Harness29116. PC BOARDS293Größe: 36,2 MBSeiten: 302Language: EnglishHandbuch öffnen