Bizhub Pro 950 Service Manual Download

Theory of Operation Manual Konica Minolta Bizhub Pro 950;
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OUTLINE
1. SYSTEM CONFIGURATION
2. PRODUCT SPECIFICATIONS
3. UNIT CONFIGURATION
4. PAPER PATH Samsung convoy sch u640 user manual.

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Bizhub Pro 950 Service Manual Download

COMPOSITION/OPERATION
5. OVERALL CONFIGURATION
5.1 Control block diagram
5.2 Image creation control
5.3 Process speed
6. INTERFACE SECTION
6.1 COMPOSITION
6.1.1 Main body right side
6.1.2 Main body left side
7. SCANNER SECTION
7.1 COMPOSITION
7.2 Drive
7.3 Operation
7.3.1 Control when the sub power is turned ON
7.3.2 Control when the start button is turned ON
7.3.3 Original size detection control
7.3.4 AE control
7.3.5 Image processing
8. WRITE SECTION
8.1 COMPOSITION
8.2 Operation
8.2.1 Exposure path
8.2.2 Write control
8.2.3 Image stabilization control
9. PHOTO CONDUCTOR SECTION
9.1 COMPOSITION
9.2 Drive
9.2.1 Drum drive
9.2.2 Drum claw drive
9.3 Operation
9.3.1 Drum claw drive
9.3.2 Cooling around the drum
9.3.3 Image stabilization control
10.CHARGING SECTION
10.1 COMPOSITION
10.2 Drive
10.3 Operation
10.3.1 Charging control
10.3.2 Wire cleaning control
10.3.3 Erase lamp (EL1) control
11.DEVELOPING UNIT
11.1 COMPOSITION
11.2 Drive
11.3 Operation
11.3.1 Conveyance of developer
11.3.2 Developing bias
11.3.3 Developing suction control
11.3.4 Image stabilization control
12.TONER SUPPLY SECTION
12.1 COMPOSITION
12.2 Drive
12.3 Operation
12.3.1 Toner supply to the toner hopper
12.3.2 Toner supply control
12.3.3 Toner conveyance control
13.TRANSFER/SEPARATION SECTION
13.1 COMPOSITION
13.2 Drive
13.3 Operation
13.3.1 Transfer guide control
13.3.2 Transfer/separation control
13.3.3 Transfer exposure lamp (EL2) control
13.3.4 Transfer assist control
13.3.5 Wire cleaning control
13.4 Individual support parts
13.4.1 Transfer assist sheet by paper sizes
14.CLEANING/TONER RECYCLE SECTION
14.1 COMPOSITION
14.2 Drive
14.2.1 Cleaning/recycle drive
14.2.2 Cleaning blade drive
14.3 Operation
14.3.1 Cleaning operation
14.3.2 Toner collection mechanism
14.3.3 Toner conveyance operation
14.3.4 Image stabilization control
15.PAPER FEED SECTION (trays 1 and 2)
15.1 COMPOSITION
15.2 Drive
15.2.1 Paper feed drive
15.2.2 Tray lift drive
15.2.3 Pick-up drive
15.3 Operation
15.3.1 Up/down control
15.3.2 Paper size detection control
15.3.3 Paper feed control
15.3.4 Remaining paper detection control
15.3.5 Tray lock control
15.3.6 Dehumidification heater control
15.4 Individual support parts
15.4.1 Paper feed assist plate
16.PAPER FEED SECTION (tray 3)
16.1 COMPOSITION
16.2 Drive
16.2.1 Paper feed drive
16.2.2 Tray lift drive
16.2.3 Pick-up drive
16.3 Operation
16.4 Individual support parts
17.BYPASS TRAY
17.1 COMPOSITION
17.2 Drive
17.2.1 Paper feed drive
17.2.2 Tray lift drive
17.3 Operation
17.3.1 Up/down control
17.3.2 Paper size detection control
17.3.3 Paper feed control
17.3.4 Remaining paper detection control
18.VERTICAL CONVEYANCE SECTION
18.1 COMPOSITION
18.2 Drive
18.3 Operation
18.3.1 Conveyance control
18.3.2 Paper dust removal mechanism
19.REGISTRATION SECTION
19.1 COMPOSITION
19.2 Drive
19.3 Operation
19.3.1 Loop control
19.3.2 Paper mis-centering adjustment control
19.3.3 Paper leading edge timing adjustment control
20.HORIZONTAL CONVEYANCE SECTION
20.1 COMPOSITION
20.2 Drive
20.3 Operation
20.3.1 Conveyance control
21.FUSING SECTION
21.1 COMPOSITION
21.2 Drive
21.2.1 Fusing drive
21.2.2 Cleaning web drive
21.2.3 Thick paper conveyance assist plate drive
21.3 Operation
21.3.1 Fusing roller drive control
21.3.2 Web drive control
21.3.3 Separation claw oscillating mechanism
21.3.4 Fusing temperature control
21.3.5 Thick paper conveyance control
21.3.6 Jam detection mechanism
21.3.7 Protection against temperature abnormality
21.4 Individual support parts
21.4.1 Soft roller
22.DUPLEX SECTION
22.1 COMPOSITION
22.2 Drive
22.2.1 Reverse/exit roller drive
22.2.2 ADU reverse roller/ADU conveyance roller drive
22.2.3 ADU conveyance roller /3 and /4 drive/ADU exit roller drive
22.3 Operation
22.3.1 Conveyance control
23.REVERSE/EXIT SECTION
23.1 COMPOSITION
23.2 Drive
23.2.1 Reverse/exit section entrance roller / Reverse/exit guide plate drive
23.2.2 Paper exit roller drive
23.3 Operation
23.3.1 Fusing roller drive control
24.IMAGE STABILIZATION CONTROL
24.1 Outline
24.2 Operation flow
24.2.1 Image stabilization control flow when the sub power switch (SW2) is ON
24.2.2 Image stabilization control flow while in the print and during idling
24.2.3 High coverage control
25.IMAGE PROCESSING
25.1 Image processing in the scanner section
25.1.1 Shading correction
25.1.2 AE control
25.1.3 Area discrimination
25.1.4 Brightness/density conversion
25.1.5 Filter/magnification
25.1.6 Scanner gamma correction
25.1.7 Halftone processing (error diffusion)
25.1.8 Tilt adjustment
25.1.9 Compression
25.1.10 Storage of image data
25.2 Image processing in the write section
26.POWER SOURCE SECTION
26.1 Operating parts with the connection of the power cord
26.2 Parts that operate when the main power switch (SW1) is turned ON
26.3 Parts that operate when the sub power switch (SW2) is turned ON
26.4 Parts that operate when the dehumidification heater switch (SW3) is turned ON
27.Fan controls
27.1 Composition
27.2 Operation
28.Counter control
28.1 Composition
28.2 Operation
29.HDD control
29.1 Composition

Bizhub Pro 950 Driver

MAINTENANCE
30.MAINTENANCE PROCEDURE
30.1 External section
30.1.1 Replacing the ozone filter /1 and /2
30.1.2 Replacing the ozone filter /3
30.1.3 Cleaning the dust-proof filter /1, /2 and /3
30.1.4 Replacing the dust-proof filter /1, /2 and /3
30.2 Write section
30.2.1 Cleaning the dust-proof glass
30.3 Photo conductor section
30.3.1 Removing/reinstalling the photo conductor section
30.3.2 Cleaning/reinstalling the drum fixing couplings
30.3.3 Replacing the drum temperature sensor (TH5)
30.3.4 Cleaning the IDC sensor board (IDCB)/JAM sensor board (JAMB)
30.3.5 Replacing the drum
30.3.6 Replacing the drum claw
30.3.7 Replacing the drum fixing spring/drum positioning collar
30.4 Charge section
30.4.1 Replacing the charge unit
30.4.2 Replacing the charge control plate, charge wire, vibration-proof rubber, charge cleaning unit and C-clip
30.4.3 Cleaning the charge back plate
30.5 Transfer/separation unit
30.5.1 Replacing the transfer/separation unit
30.5.2 Replacing the transfer/separation wire and the vibration proof rubber
30.5.3 Replacing the transfer cleaning assembly/separation cleaning assemblies /1 and /2 and C-clips
30.5.4 Replacing the transfer assist sheet assembly
30.5.5 Replacing the transfer exposure lamp assembly (EL2)
30.6 Developing unit
30.6.1 Replacing the suction filter
30.6.2 Replacing the developing cover filter
30.6.3 Replacing the developing unit and the developing suction assembly
30.6.4 Replacing the developer
30.6.5 Cleaning the developing unit
30.6.6 Cleaning the developing bias contact
30.7 Toner supply section
30.7.1 Cleaning of the toner bottle section
30.7.2 Replacing the toner supply sleeves /1 and /2
30.8 Cleaning and toner recycle section
30.8.1 Cleaning the cleaning/toner recycle section
30.8.2 Replacing the cleaning blade
30.8.3 Replacing the toner guide brush assembly, scattering prevention felt, seal plates /Fr and /Rr, and the toner seal plate assembly
30.8.4 Replacing the cleaning gear /A assembly, /B and the guide plate assembly
30.9 Paper feed section
30.9.1 Cleaning the paper dust removing brush (Tray 1, 2, 3)
30.9.2 Replacing the feed roller/pick-up roller (Trays 1, 2, 3)
30.9.3 Replacing the separation roller (Trays 1, 2, 3)
30.9.4 Replacing the feed clutch (CL3, CL5, CL7)/pre-registration clutch (CL4, CL6, CL8) (Trays 1, 2, 3)
30.9.5 Replacing the pre-registration roller (Trays 1, 2, 3)
30.9.6 Replacing the feed input gear
30.10 Bypass tray section
30.10.1 Replacing the feed roller/pick-up roller
30.10.2 Replacing the separation roller
30.11 Vertical conveyance section
30.11.1 Cleaning the paper dust removing brush
30.11.2 Replacing the vertical conveyance clutch /1 (CL9) and /2 (CL10)
30.11.3 Replacing the conveyance roller /1
30.11.4 Replacing the vertical conveyance roller /2 and /3
30.11.5 Cleaning the vertical conveyance sensor (PS53)/loop sensor (PS54)
30.12 Duplex section
30.12.1 Cleaning the registration sensor (PS44)
30.12.2 Removing/reinstalling the registration section
30.12.3 Replacing the registration roller
30.12.4 Replacing the loop roller/ADU exit roller
30.12.5 Replacing the ADU conveyance roller /3 and /4
30.12.6 Replacing the ADU reverse roller
30.12.7 Replacing the ADU conveyance roller /1, /2
30.12.8 Replacing the reverse/exit roller /1, /2, /3
30.12.9 Replacing the paper reverse/exit entrance roller
30.12.10 Replacing the reverse/exit switching gate
30.12.11 Replacing the sensor actuator
30.13 Fusing section
30.13.1 Removing/reinstalling the fusing unit
30.13.2 Opening/closing the fusing unit /Up
30.13.3 Replacing the cleaning web
30.13.4 Replacing the fusing heater lamp /1 (L1) and /2 (L2)
30.13.5 Replacing the fusing roller /Up, the bearing /Up, the heat insulating sleeve /Up and the fusing gear
30.13.6 Replacing the fusing roller /Lw assembly
30.13.7 Removing/reinstalling the fusing heat roller assembly
30.13.8 Replacing the fusing cleaning sheet assembly
30.13.9 Replacing the fusing heater lamp /3 (L3)
30.13.10 Replacing the fusing heat roller, the heat roller bearing and the heat insulating sleeve /Lw
30.13.11 Replacing the fusing claw /Lw
30.13.12 Replacing the fusing claw /Up
30.13.13 Replacing the fusing actuator
30.13.14 Replacing the fusing temperature sensor /2 (TH2)
30.13.15 Replacing the fusing temperature sensor /4 (TH4)
30.13.16 Replacing the web motor (M16)
30.14 Paper exit section
30.14.1 Cleaning the paper exit roller
31.OTHER PROCEDURES
31.1 Items not allowed to be disassembled and adjusted
31.1.1 Scanner section
31.1.2 Writing section
31.1.3 Developing unit
31.1.4 Transfer/separation charger unit
31.2 List of parts to be disassembled and reassembled
31.3 Disassembling/assembling procedure
31.3.1 Rear cover
31.3.2 Left cover
31.3.3 Right cover /Up
31.3.4 Right cover /Lw
31.3.5 Front door /Rt
31.3.6 Front door /Lt
31.3.7 Original glass
31.3.8 Upper cover /Lt
31.3.9 Upper cover /Rr
31.3.10 Upper cover /Fr1 and /Fr2
31.3.11 Operation panel
31.3.12 Circuit breaker (CBR)
31.3.13 CCD unit
31.3.14 Exposure lamp (L4)
31.3.15 Exposure unit
31.3.16 Stretching of the scanner wire
31.3.17 Write unit
31.3.18 Supply unit
31.3.19 Paper feed tray 1 and 2
31.3.20 Paper feed tray 1, 2 lift wire
31.3.21 Paper feed tray 3
31.3.22 Paper feed tray 3 lift wire
31.3.23 Duplex section
31.3.24 Paper exit section
31.3.25 Fusing temperature sensor /1 (TH1)
31.3.26 Fusing temperature sensor /3 (TH3)
31.3.27 Thermostat /1 (TS1)
31.3.28 Thermostat /2 (TS2)
31.3.29 Hard disk /1 (HDD1)
31.3.30 Hard disk /2 (HDD2)
32.COMMERCIALLY AVAILABLE PARTS
32.1 Status indicator light
32.2 Coin vendor
33. INDIVIDUAL SUPPORT PARTS
33.1 Individual support parts list
33.1.1 Installation of the transfer assist sheet
33.1.2 Installation of the paper feed assist plate
33.1.3 Installation of the soft roller

Bizhub Drivers Download

Number of pages: 930.