Service Manual Toshiba e-STUDIO 2555C/3055C/3555C/4555C/5055C/2555CSE/3055CSE/3555CSE/4555CSE/5055CSE;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Toshiba copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Toshiba e-STUDIO photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

1. FEATURE
1.1 Main Feature of this equipment

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Code: C140 Description: 2nd drawer tray abnormality: The tray-up motor is not rotating or the 2nd drawer tray is not moving normally. (the case that paper can be fed from any drawer except the 2nd drawer) Causes: Tray-up motor DRV board LGC board Tray-up sensor Remedy: 1 Does the tray go up? (Perform the output check: 03-242, 243) Yes 2 No. Check if the connector of the tray-up motor is.
View and Download Toshiba E-STUDIO 2555C service manual online. MULTIFUNCTIONAL DIGITAL COLOR SYSTEMS. E-STUDIO 2555C all in one printer pdf manual download. Also for: E-studio 2555cse, E-studio 3055cse, E-studio 3555cse, E-studio 4555cse, E-studio 5055cse, E-studio 3055c, E-studio.

2. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES
2.1 Specifications
2.1.1 General
2.1.2 Copy
2.1.3 Print
2.1.4 Scan
2.1.5 Internet Fax
2.1.6 HDD Memory Map
2.1.7 Network Fax (Option)
2.2 Accessories
2.3 System List
2.4 Supplies

3. OUTLINE OF THE MACHINE
3.1 Sectional View
3.1.1 Front side
3.1.2 Rear side
3.2 Electric Parts Layout
3.3 Symbols and Functions of Various Components
3.3.1 Motors, fans
3.3.2 Sensors and switches
3.3.3 Electromagnetic spring clutches
3.3.4 Solenoids
3.3.5 PC boards
3.3.6 Lamps, LEDs, heaters, and coil
3.3.7 Thermistors, thermostats
3.3.8 Others
3.4 Copy Process
3.5 Comparison with e-STUDIO2050C/2051C/2550C/2551C
3.6 General Operation
3.6.1 Overview of Operation
3.6.2 Description of Operation
3.6.3 Detection of Abnormality
3.6.4 Hibernation function
3.7 Control Panel
3.7.1 General Description
3.7.2 Description of Operation
3.8 Scanner
3.8.1 General Description
3.8.2 Construction
3.8.3 Functions
3.8.4 Description of Operation
3.8.5 Process of detection of original size
3.9 Writing Section
3.9.1 General Description
3.9.2 General description of LED print head
3.9.3 LED print head lifting mechanism
3.10 Driving Section
3.10.1 Drum TBU drive unit
3.10.2 Development drive unit/Paper feeding drive unit
3.10.3 Monochrome/color switching mechanism
3.11 Paper Feeding System
3.11.1 General Descriptions
3.11.2 Composition
3.11.3 Functions
3.11.4 Description of Operation
3.12 Process Unit Related Section
3.12.1 General description
3.12.2 Composition
3.12.3 Functions
3.12.4 Drum driving sleep mode
3.13 Developer Unit
3.13.1 General Description
3.13.2 Composition
3.13.3 Functions
3.13.4 Functions of the toner cartridge PC board (CTRG)
3.13.5 Waste toner box
3.14 Transfer Unit
3.14.1 General Descriptions
3.14.2 Composition
3.15 Image Quality Control
3.15.1 General Description
3.16 Fuser unit / Paper exit section
3.16.1 General Description
3.16.2 Composition
3.16.3 Electric Circuit Description
3.17 Paper exit section/reverse section
3.17.1 General Description
3.17.2 Functions
3.17.3 Reverse Motor Drive
3.18 Automatic Duplexing Unit (ADU)
3.18.1 General Description
3.18.2 Composition
3.18.3 Drive of ADU
3.18.4 Description of Operations
3.19 Power Supply Unit
3.19.1 General description
3.19.2 Functions
3.19.3 Operation of DC Output Circuits
3.19.4 Output Channel
3.19.5 Fuse

4. DISASSEMBLY AND REPLACEMENT
4.1 Covers
4.1.1 Front cover
4.1.2 Left cover
4.1.3 Receiving tray
4.1.4 Tray rear cover
4.1.5 Left top cover
4.1.6 Left rear cover
4.1.7 Rear left cover
4.1.8 Right top cover
4.1.9 Right front cover
4.1.10 Right rear cover
4.1.11 Front top cover
4.1.12 Front right cover
4.1.13 Rear top cover
4.1.14 Top rear cover
4.1.15 Rear cover
4.1.16 Front cover switch (SW1)
4.1.17 Front cover interlock switch (SW2)
4.2 Control Panel
4.2.1 Control panel unit
4.2.2 KEY board
4.2.3 DSP board
4.2.4 Touch panel
4.3 Scanner Unit
4.3.1 Original glass
4.3.2 Lens cover
4.3.3 Automatic original detection sensor-1, -2 (S24, S25)
4.3.4 Lens unit/CCD driving PC board
4.3.5 Carriage home position sensor (S23)
4.3.6 Exposure lamp (EXP)
4.3.7 Scan motor (M1)
4.3.8 Platen sensor-1, -2 (S21, S22)
4.3.9 Carriage-1
4.3.10 Carriage wire, carriage-2
4.3.11 Scanner damp heater (DH1)
4.4 LED Unit
4.4.1 LED Tray
4.4.2 Discharge LED
4.4.3 LED printer head
4.4.4 LED spacer
4.5 Paper Feeding System
4.5.1 Bypass unit
4.5.2 Bypass feed roller
4.5.3 Bypass separation roller
4.5.4 Paper width detection PC board (SFB board) (S17)
4.5.5 Bypass feed sensor (S16)
4.5.6 Side cover switch (SW5)
4.5.7 Registration sensor (S19), Feed sensor (S20)
4.5.8 Registration roller (Plastic)
4.5.9 Registration roller (Rubber)
4.5.10 Jam access cover
4.5.11 Transport roller
4.5.12 Jam access cover opening/closing switch (SW20)
4.5.13 2nd drawer paper feed sensor (S32)
4.5.14 1st drawer paper feed unit
4.5.15 1st drawer separation roller guide
4.5.16 2nd drawer paper feed unit
4.5.17 2nd drawer separation roller guide
4.5.18 1st drawer paper feed roller, separation roller, and pick-up roller
4.5.19 2nd drawer paper feed roller, separation roller, and pick-up roller
4.5.20 1st drawer detection switch (SW8)
4.5.21 2nd drawer detection switch (SW19)
4.5.22 Tray-up motor unit
4.5.23 Tray-up motor (M15)
4.5.24 1st drawer paper remaining sensor (S30)
4.5.25 2nd drawer paper remaining sensor (S33)
4.5.26 1st drawer empty sensor (S5) and 1st drawer tray-up sensor (S31)
4.5.27 2nd drawer empty sensor (S34) and 2nd drawer tray-up sensor (S35)
4.5.28 1st drawer paper width detection switch (SW6)
and 1st drawer paper length detection switch (SW7)
4.5.29 2nd drawer paper width detection switch (SW17)
and 2nd drawer paper length detection switch (SW18)
4.5.30 1st drawer feed clutch (CLT1)
4.5.31 2nd drawer feed clutch (CLT4)
4.5.32 Transport clutch (H) (CLT5)
4.5.33 Transport clutch (L) (CLT6)
4.5.34 Registration motor (M14)
4.5.35 Paper feed drive unit
4.5.36 Paper feed drive gear
4.6 Developer Unit, Cleaner
4.6.1 Waste toner box
4.6.2 Developer unit
4.6.3 Developer material
4.6.4 Doctor blade
4.6.5 Side seal
4.6.6 Auto-toner sensor (S1, S2, S3, S4)
4.6.7 Development sleeve
4.6.8 Mixer
4.6.9 Cleaner unit
4.6.10 Main charger
4.6.11 Drum and bushing
4.6.12 Drum cleaning blade
4.6.13 Side seal
4.6.14 Waste toner unit gear
4.6.15 Main charger grid
4.6.16 Main charger cleaner
4.6.17 Needle electrode
4.6.18 Drum old/new detection switches (SW9, SW10, SW11, SW12)
and Developer unit old/new detection switches (SW13, SW14, SW15, SW16)4-96
4.6.19 Drum thermistor-1 (THM3)
4.6.20 Drum thermistor-2 (THM4)
4.6.21 Temperature/humidity sensor (S10)
4.6.22 Waste toner paddle rotation detection sensor (S9)
4.6.23 Waste toner amount detection sensor (S36)
4.6.24 Waste toner paddle motor (M7)
4.6.25 Drum switching unit
4.6.26 Drum switching detection sensor (S11)
4.6.27 Mono/color switching motor (M3)
4.6.28 Paper feeding/developer unit drive motor (M2)
4.6.29 Developer drive unit
4.6.30 Toner motor assembly
4.6.31 Toner motor (M8, M9, M10, M11)
4.6.32 Ozone filter
4.6.33 Ozone exhaust fan (F2)
4.6.34 SYS cooling fan (F1)
4.6.35 Suctioning fan (F3)
4.6.36 Power supply unit cooling fan (F8)
4.6.37 Drum drive gear
4.6.38 Developer drive gear
4.6.39 Main power switch (SW4)
4.6.40 Developer unit cooling fan (F5)
4.6.41 Drum damp heater (Right side)(DH2)
4.6.42 Drum

Toshiba E Studio 4555c User Manual