Accurate and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual and parts catalog KIP 7900 contain clear instructions and procedures on how to fix the problems occurring in your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
Table of contents:
Chapter 1. Introduction
1.1 Features
1.2 Specifications
1.3 Name of Each Part
1.3.1 Front
1.3.2 Rear
1.4 Specifications for Printing Media
1. 4. 1 Available Print Size
1. 4. 2 Media not to be used
1. 4. 3 Maintaining Media
1. 4. 4 Environmental Condition – Correction
1. 4. 4 Environmental Condition – Correction
Chapter 2. Installation
2.1 Installation Requirements
2.2 Unpacking
2.3 Accessory List
2.4 Removing Shipping Tapes
2.5 Installing Floor Plates / Leveling
2.6 Releasing LED Head
2.7 Process Unit Setup
2. 7. 1 Process Frame Setup
2. 7. 2 Developer Assy Setup
2. 7. 3 Installing Toner Cartridge
2.8 Fuser Unit Setup
2.9 Installing Touch Panel
2. 9. 1 US model
2. 9. 2 EU model (other than North America
2.10 Supplying Toner to Developer Unit
2.11 Installing Stopper
2.12 DB Label
2.12 DB Label
Chapter 3. Print Process
3.1 Characteristic of Toner
3.2 Print Processes
3.2.1 Erasing (Removal of negative electric charges)
3.2.2 Charge of Drum
3.2.3 Exposure
3.2.4 Development
3.2.5 Pre-Transfer LED
3.2.6 Transfer
3.2.7 Separation
3.2.8 Drum Cleaning (Removal of remained toner)
3.2.9 Fusing
3.3 Controlling the Movement of Toner in Developer Unit
3.4 Toner Collection Process
3.5 Density Compensation Process
3.5 Density Compensation Process
Chapter 4. Electrical System
4.1 General Information
4.2 Electric Assembly Location/Function
4.2. 1 Printed Circuit Board
4.2. 2 Fans
4.2. 3 Motors, Clutches & Brake
4.2. 4 Heaters, SSR, Relays, Thermistor & Thermostats
4.2. 5 Circuit Protector, Line Filter, Micro Switches, Switches & Counter
4.2. 6 Sensors
4.3 Check & Adjustment of Analog Output from HVP
4.3. 1 Situations necessary to check the analog output
4.3. 2 Analog Current for Image Corona
4.3. 3 Analog Current for Grid Plate
4.3. 4 Analog Current for Transfer Corona
4.3. 5 AC Component for Separation Corona
4.3. 6 DC Component for Separation Corona
4.3. 7 Negative Developer Bias for Developer Roller
4.3. 8 Positive Developer Bias for Developer Roller
4.3. 9 Bias Gap between Developer Roller and Regulation Roller
4.3.10 Positive Cleaning Roller Bias (Print Cycle)
4.3.11 Negative Cleaning Roller Bias (Toner Collection Process)
4.3.11 Negative Cleaning Roller Bias (Toner Collection Process)
Chapter 5. Mechanical
General Notice for Disassembly / Assembly
5.1 External Cover
5.1.1 Removing Lower Right/Left Cover
5.1.2 Removing Right/Left Front Cover
5.1.3 Removing Right/Left Rear Cover
5.1.4 Removing Top Cover
5.1.5 Removing Rear Cover
5.2 Process Unit
5.2.1 Opening Movable Unit
5.2.2 Removing Developer Unit
5.2.3 Replacing Photoconductive Drum
5.2.4 Cleaning Photoconductive Drum
5.2.5 Replacing LED Head
5.2.6 LED Head Focus Adjustment
5.2.7 Replacing Eraser Lamp
5.2.8 Replacing LED Head Cooling Fan (Fan3A, Fan3B)
5.2.9 Replacing Pre-Transfer LED
5.2.10 Replacing Main Motor (M
5.2.11 Replacing Timing Belt for Pulley / P
5.3 Main Frame
5.3.1 Replacing Paper Gate Brake (MC
5.3.2 Replacing Paper Gate Clutch (MC
5.3.3 Replacing Ozone Filter
5.3.4 Replacing Pressure Fan (Fan
5.3.5 Replacing Counter (CNT
5.3.6 Replacing Main Switch (S
5.4 Cutter Unit
5.4.1 Removing Cutter Unit
5.4.2 Replacing Cutter Oil Supply Solenoid (SL)
5.4.3 Lubricating / Replacing Stay Assembly
5.4.4 Adjusting Home Position of Cutter Blade
5.4.5 Adjusting Installation Angle of Cutter Unit
5.4.6 Replacing Cutter Motor (M)
5.5 Image Corona Assembly
5.5.1 Removing Image Corona Assembly
5.5.2 Replacing Corona Wire, Wire Cleaner Assy
5.5.3 Replacing Wire Cleaning Motor (M)
5.6 Transfer / Separation Charger Assembly
5.6.1 Removing Transfer / Separation Charger Assembly
5.6.2 Replacing Transfer / Separation Corona Wire
5.6.3 Replacing Corona Guard
5.6.4 Height Adjustment of Corona Wire
5.7 Fuser Unit
5.7.1 Removing Exit Cover
5.7.2 Replacing Fuser Motor
5.7.3 Pulling out Fuser Unit
5.7.4 Replacing IR Lamps
5.7.5 Replacing Recommended Periodic Replacement Parts
(Fuser Roller, Pressure Roller, Separation Finger, Stripper Finger Assy
5.7.6 Replacing Pressure Roller
5.7.7 Fuser Pressure Adjustment (Nip Width Check
5.7.8 Replacing Fuser Cooling Fan (Fan 1A / Fan 1B)
5.7.9 Replacing Thermistor (TH)
5.7.10 Replacing Thermostat (TS1A, TS1B)
5.7.11 Replacing Fuser Guide Solenoid (SL)
5.7.12 Replacing Separation Finger
5.7.13 Replacing Exit Sensor (LS)
5.8 Developer Unit
5.8.1 Removing Toner Hopper
5.8.2 Replacing Recommended Periodic Replacement Parts
(Developer Roller, Scraper, Spacer (2), Side Seal R/L
5.8.3 Replacing Toner Supply Roller and Side Seal SU
5.8.4 Replacing Blade Roller and Side Seal RE
5.8.5 Replacing Sender Screw
5.8.6 Replacing Toner Supply Motor (M)
5.8.7 Replacing Toner Sensor (TLS)
5.8.8 Replacing IC-Tag R (RFID)
5.9 Internal Feeder Unit
5.9.1 Removing Internal Feeder Unit
5.9.2 Replacing Paper Separation Sensor (PH)
5.9.3 Replacing Feed Belt
5.9.4 Replacing Feed Roller
5.9.5 Replacing Separation Fan (Fan)
5.10 Paper Feeder Assembly
5.10.1 Removing Roll Deck
5.10.2 Replacing Roll Feed Motor (M
5.10.3 Replacing Roll Feed Clutch (MC2A, MC2B, MC2C, MC2D
5.10.4 Replacing Pick-up Roller (Roll 1, Roll)
5.10.5 Replacing Pick-up Roller (Roll 2, Roll)
5.10.6 Replacing Paper End Clock Sensor (PH2A, PH2B, PH2C, PH2D)
5.10.7 Replacing Paper Set Sensor (PH1A, PH1C
5.10.8 Replacing Paper Set Sensor (PH1B, PH1D
5.10.9 Replacing Seed Sensor (PH14A, PH14B)
5.10.9 Replacing Seed Sensor (PH14A, PH14B)
Chapter 6. Maintenance
6.1 Recommended Periodic Replacement Parts
6.2 Cleaning
6.3 Lubrication
6.4 Fuse Replacement
6.5 Disposal of machine (for only EU Member States)
6.5 Disposal of machine (for only EU Member States)
Chapter 7. Troubleshooting
7.1 Error Code List
7.1.1 Operator Call Errors
7.1.2 Service Call Errors
7.2 Troubleshooting against Errors
7.2.1 Countermeasures against Operator Call Errors
(J-01) 1st Roll Jam
(J-02) 2nd Roll Jam
(J-03) 3rd Roll Jam
(J-04) 4th Roll Jam
(J-05) Bypass Jam
(J-10) Cutter Area Jam
(J-11) Internal Feeder Area Jam
(J-12) Separation Area Jam
(J-13) Exit Area Jam (Delay)
(J-14) Exit Area Jam (Stay)
(J-21) Outer Device Jam (Delay)
(J-22) Outer Device Jam (Stay)
(U-01) Upper Roll Deck Open Error
(U-02) Lower Roll Deck Open Error
(U-05) Upper Frame Unit Open Error
(U-06) Exit Cover Open Error
Toner Low
Roll Empty
7.2.2 Countermeasures against Service Call Errors
(E-01) Fuser Temperature Rising Error
(E-02) Fuser Over Temperature Error
(E-03) Main Motor Error
(E-04) Developer Error
(E-06) Counter Error
(E-07) Cutter Error
(E-14) Fuser Motor Error
(E-16) Wire Cleaning Error
(E-21) Fuser Thermostat Error
(E-27) Density Error
(E-40) Folder Error
(E-43) RFID Error
(E-51) High Voltage Power Supply Error
7.3 Troubleshooting against Image Quality Defect
7.3.1 Basic Image Adjustment
7.3.2 Troubles
(1) Too light image (Only the halftone image)
(2) Too light image (Halftone and solid black)
(3) Extremely light image (The whole image)
(4) Different copy density
(5) Totally appeared foggy image
(6) Vertically blurred or foggy black wide line
(7) Vertical Clear Black Narrow Line
(8) Vertical White Line
(9) Void of image
(10) Dirt on the back of the copy
(11) Defective fusing
(12) Incorrect Image Placement, No Leading Edge
(13) Jitter
(14) Less sharpened image
(15) Uneven image vertically
(16) Totally white (No image
(17) Totally black
(18) Creasing
(19) Foggy Image
(20) Offset
(21) Cutter Shock
(Disturbance of image like “black belt” at about 190mm from trailing edge
7.4 Touch Screen Calibration
7.5 Internal Counter Error
7.5 Internal Counter Error
Chapter 8. Service Mode / Utility
8. 1 General Information of Service Mode
8. 2 KIP Service Software Overview
8. 2. 1 Launching KIP Service Software
8. 2. 2 Closing KIP Service Software
8. 2. 3 Log In screen
8. 2. 4 Service Mode Home
8. 2. 5 Serial Port Setting
8. 3 Device Status Mode
8. 3. 1 Monitoring Device Status
8. 3. 2 Input / Output Signal List
8. 4 Information Mode
8. 4. 1 Monitoring Analog Data
8. 4. 2 List of Analog Data Monitor
8. 4. 3 Browsing Jam History
8. 4. 4 Browsing Error History
8. 5 Device Operation Mode
8. 5. 1 Checking Device Operation
8. 6 Adjustment Mode
8. 6. 1 Changing Setting Value
8. 6. 2 Setting Item List
8. 6. 3 Setting Item Explanation
General Notice for Setting Item Explanation
(00) Metric / Inch (for size format)
(01) Maximum Cut Length
(02) Interface Board Setting
(03) LED Head Strobe Time
(05) Trailing Margin for Long Print
(06) Special Roll Size (ISO)
(08) (0a) (0c) Fusing Temperature
(0e) Temperature Gap to be Ready
(0f) Down Sequence Temperature Adjustment
(10) Fusing Temperature Cycle (Ripple)
(11) Fuser Temperature (Overshoot)
(12) Warm Up Time Setting
(13) Fuser Temperature (Idling)
(14) Fuser Temperature (Warm Sleep)
(15) (16) (17) Developer Bias
(18) Developer Temporal Bias (Front Image)
(19) Developer Temporal Bias (After Print)
(1a) (1b) (1c) Transfer Corona Analog Voltage (Roll)
(1d) (1e) Leading Registration
(1f) Grid Analog Setting
(20) (21) (22) (23) (24) (25) Cut Length Adjustment (Roll)
(26) (27) Trailing Margin
(28) Side Margin
(29) Transfer Corona ON Timing (Roll)
(2a) Transfer Corona OFF Timing (Roll)
(2b) (2c) (2d) Separation Corona OFF Timing
(2e) Dehumidify Setting
(2f) Count Unit Advanced Setting
(30) Key Card Setting
(31) Optional Device Setting
(32) Number of Roll Deck
(33) User Mode Permission
(34) Main Motor Speed
(35) (36) (37) Feed Motor Speed
(38) (39) (3a) Fuser Motor Speed
(3b) (3c) (3d) Fuser Motor 2nd Speed Switch Timing
(3e) (3f) (40) Fuser Motor 2nd Speed
(41) (42) (43) Fuser Motor 3rd Speed Switch Timing
(44) (45) (46) Fuser Motor 3rd Speed
(47) Toner Supply Volume Adjustment
(48) Down Sequence Shift Time cause by Toner
(49) Film Mode ON/OFF
(4a) Transfer Corona ON Timing (Cut Sheet)
(4b) Transfer Corona OFF Timing (Cut Sheet)
(4c) Trailing Margin (Short Interval Mode, Roll
(4d) Adjustment of Paper Slack at Cutter Region (Roll)
(4e) Fuser Motor Speed (right after Drum)
(4f) Print Wait Setting (Number of Sheet)
(50) Print Wait Setting (Time)
(51) (52) Fusing Temperature Adjustment (Side)
(53) (54) Fusing Temperature Adjustment (Center)
(56) (57) (58) Transfer Corona Analog Voltage (Cut Sheet)
(59) (5a) (5b) (5c) (5d) (5e) Cut Length Adjustment (Roll)
(5f) (60) (61) (62) (63) (61) Cut Length Adjustment (Roll)
(65) (66) (67) (68) (69) (6a) Cut Length Adjustment (Roll)
(6b) (6c) (6d) Fusing Temperature Compensation (Small Size)
(6e) Toner Supply Level Adjustment
(6f) (70) (71) Adjustment of Paper Slack at Cutter Region (Roll)
(72) Separation Lamp ON Selection
(73) Fuser Guide Solenoid A1 Switch
(76) Toner Empty Timing Adjustment
(77) Toner Supply Roller Bias
(78) Regulation Bias
(79) Density Compensation ON/OFF
(7a) Density Sensor Standard Output
(7b) Density Sensor Analog Voltage
(7c) Density Sensor Output Monitor
(7d) Target Density
(7e) Density Measure Patch Adjustment
(7f) Density Measure Interval
(80) Developer Bias Increment for Bias Adjustment
(81) Developer Bias Increment Total
(82) Regulation Bias Increment for Bias Adjustment
(83) Regulation Bias Increment Total
(84) Regulation Bias Increment Maximum
(85) Developer Reference Bias
(86) Density Measure Extra Monitor
(87) Density Adjustment for Extra Check
(88) Regulation Temporal Bias (after Developing)
(89) Minimum Developer Bias
(8a) Maximum Developer Bias
(8b) Transfer Voltage Switch Timing at Trailing Edge
(8c) (8d) (8e) Transfer Voltage applied to Trailing Edge
(8f) Toner Supply Roller Bias (High Coverage Mode)
(90) (91) Cut Length
(92) (93) Cut Length Compensation
(94) Regulation (High Coverage Mode
(95) Count Unit Setting (ANSI / ISO Toggle)
(96) Fuser Motor Speed Switch Timing at Trailing Edge
(97) (98) (99) Fuser Motor Speed applied to Trailing Edge
(9a) HV Error Invalid Mode ON/OFF
(9b) Drum Reverse Time
(a4) Fuser Guide Solenoid Operation Mode
(a5) (a6) (a7) Subsidiary Toner Supply
(a8) Force Initial Cut Before Print (Cut Length)
(a9) (aa) (ab) (ac) Side Registration
(ad) (ae) (af) Fuser Motor 4th Speed Switch Timing
(b0) (b1) (b2) Fuser Motor 4th Speed
(b3) Subsidiary Toner Supply ON/OFF
(b4) (b5) Transfer Corona OFF Timing (Roll, Tracing/Film, A)
(b6) (b7) Transfer Corona OFF Timing (Cut sheet, Tracing/Film)
(b8) (b9) (ba) Transfer Corona OFF Timing (Roll, A
(bb) (bc) (bd) Transfer Corona OFF Timing (Roll, A
(be) (bf) (c0) Transfer Corona OFF Timing (Roll, A
(c1) Transfer Corona OFF Timing (Roll, Plain, A0, 1/8 or less)
(c2) (c3) Auto Cut After Long Print
(c4) Fan Operation during Warm Sleep
(c5) Auto Cut After Long Print (eject length)
(c6) Force Initial Cut Before Print (Timer)
(c7) Force Initial Cut Before Print (Roll Deck Selection)
8. 6. 4 Creating Backup
8. 6. 5 Restoring Configuration from Backup
8. 7 Running Mode (Factory Use Only)
8. 8 Jam/Error Mask Mode
8. 8. 1 Masking Jam
8. 8. 2 Masking Errors
8. 8. 2 Mask List
8. 9 Test Print Mode
8. 9. 1 Making Test Print
8. 9. 2 Built-in Test Pattern
8. 10 Factory Adjustment Mode (Factory Use Only)
8. 11 Special Operation Mode
8.11.1 Clearing Fuser Error, Jam/Error History
8.11.2 Reset of Bias Adjustment by Density Compensation Process
8.11.3 Changing Counter Value
8.11.4 Toner Supply Mode (Use only for machine initial setup)
8. 12 Firmware Update Mode
8.12.1 Sending Firmware to Printer
8.12.2 In case of transmission failure
8.12.2 In case of transmission failure
Chapter 9. Appendix
Parts Catalog