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Table of contents:
1. SPECIFICATIONS / ACCESSORIES / OPTIONS / SUPPLIES
1.1 Specifications
1.2 Accessories
1.3 Options
1.4 Supplies
1.5 System List
2. OUTLINE OF THE MACHINE
2.1 Sectional View
2.2 Electric Parts Layout
2.2.1 Scanner, control panel
2.2.2 Power supply section, switches
2.2.3 Laser optical unit, fuser unit, toner cartridge section
2.2.4 Developer unit section
2.2.5 Driving section
2.2.6 Drawer section
2.2.7 Bypass unit
2.3 Symbols and Functions of Various Components
2.4 Disassembly and Replacement of Covers
2.4.1 Front cover
2.4.2 Left cover
2.4.3 Front left cover
2.4.4 Inner tray & Tray rear cover
2.4.5 Side cover
2.4.6 Right rear cover
2.4.7 Rear cover
2.5 Disassembly and Replacement of PC boards
2.5.1 MAIN board (MAIN)
2.5.2 Fuse PC board (FUS)
2.5.3 Switching regulator unit (PS)
2.5.4 Switching regulator cooling fan (M6)
3. COPY PROCESS
3.1 General Description of Copying Process
3.2 Comparison with e-STUDIO181/211
4. GENERAL OPERATION
4.1 Overview of Operation
4.2 Description of Operation
4.2.1 Warming-up
4.2.2 Ready state (ready for copying)
4.2.3 Drawer feed copying
4.2.4 Bypass feed copying
4.3 Detection of Abnormality
4.3.1 Types of abnormality
4.3.2 Description of abnormality
5. CONTROL PANEL
5.1 Control Panel and LCD Display
5.1.1 Key Definition
5.2 Menu function
5.2.1 Starting/Exiting
5.2.2 Menu tree
5.3 Relation between Equipment State and Operation
5.4 Operation
5.4.1 Block diagram
5.4.2 LED display circuit
5.5 Disassembly and Replacement
5.5.1 Control panel unit
5.5.2 Control panel PC board (LPNL)
6. SCANNER
6.1 General Description
6.2 Construction
6.3 Functions
6.4 Description of Operation
6.4.1 Control when the Start key is pressed
6.5 Disassembly and Replacement
6.5.1 Original glass
6.5.2 Scan motor (M1)
6.5.3 CIS module (CIS)
7. LASER OPTICAL UNIT
7.1 General Description
7.2 Structure
7.3 Disassembly and Replacement
7.3.1 Laser optical unit
8. DRIVE UNIT
8.1 General Description
8.2 Configuration
8.3 Functions
8.4 Disassembly and Replacement
8.4.1 Main motor (M3)
8.4.2 Toner motor (M2)
8.4.3 Main motor drive unit
9. PAPER FEEDING SYSTEM
9.1 General Description
9.2 Configuration
9.3 Functions
9.4 Operation
9.4.1 Drawer
9.4.2 Bypass tray
9.4.3 General operation
9.5 Disassembly and Replacement
9.5.1 Bypass unit
9.5.2 Bypass tray
9.5.3 Bypass separation pad
9.5.4 Bypass roller unit
9.5.5 Bypass pickup roller
9.5.6 Bypass feed roller
9.5.7 Bypass paper sensor (S8)
9.5.8 Bypass pickup solenoid (SOL2)
9.5.9 Bypass pickup clutch / Bypass feed clutch
9.5.10 Damp heater unit (DH3) / Dummy plate
9.5.11 Paper empty sensor (S7)
9.5.12 Pickup roller and separation pad
9.5.13 Registration clutch (CLT1)
9.5.14 Drawer pickup clutch
9.5.15 Registration roller (rubber)
9.5.16 Registration roller (metal)
9.5.17 Feed gear unit
9.5.18 Drawer detection switch (SW5)
9.5.19 Registration sensor (S4)
10. DRUM RELATED SECTION
10.1 General Description
10.2 Configuration
10.3 Functions
10.4 Disassembly and Replacement
10.4.1 Process unit
10.4.2 Drum cleaner unit
10.4.3 Discharge LED (ERS)
10.4.4 Main charger
10.4.5 Main charger grid
10.4.6 Main charger cleaner
10.4.7 Needle electrode
10.4.8 Drum
10.4.9 Drum cleaning blade
10.4.10Drum separation finger
10.4.11Recovery blade
10.4.12Transfer/Separation charger
10.4.13Charger wire
10.4.14Transfer unit
10.4.15Ozone filter
10.4.16Exhaust fan (M5)
10.4.17Temperature/humidity sensor (S3)
10.4.18Toner cartridge interface PC board (CTIF)
11. DEVELOPMENT SYSTEM
11.1 General Description
11.2 Construction
11.3 Functions
11.3.1 Function of each unit
11.3.2 Functions of the toner cartridge PC board (CTRG)
11.3.3 Recovered toner supply mechanism
11.4 Disassembly and Replacement
11.4.1 Developer unit
11.4.2 Developer material
11.4.3 Filling developer unit with developer material
11.4.4 Auto-toner sensor (S6)
11.4.5 Drum thermistor (THMS4)
11.4.6 Guide roller / Developer sleeve
11.4.7 Mixer
11.4.8 Replacement of Oil Seal
12. FUSER / EXIT UNIT
12.1 General Description
12.2 Configurations
12.3 Functions
12.4 Operation
12.5 Fuser Unit Control Circuit
12.5.1 Configuration
12.5.2 Temperature detection section
12.6 Disassembly and Replacement
12.6.1 Fuser/Paper exit unit
12.6.2 Pressure roller unit / Fuser roller unit
12.6.3 Exit roller
12.6.4 Exit sensor (S5)
12.6.5 Separation finger
12.6.6 Center heater lamp / Side heater lamp (LAMP1/LAMP2)
12.6.7 Fuser roller
12.6.8 Pressure roller
12.6.9 Center thermistor / Side thermistor / Edge thermistor (THMS1/THMS2/THMS3)
12.6.10Fuser thermostat (THMO1)
13. POWER SUPPLY UNIT
13.1 Construction
13.2 Operation of DC Output