Samsung CLX-9201ND CLX-9201NA CLX-9251NA CLX-9251ND CLX-9301NA Service Manual

Accurate, clear 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 Samsung CLX-9201ND CLX-9201NA CLX-9251NA CLX-9251ND CLX-9301NA contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

1.1 Safety warning
1.2 Caution for safety
1.2.1 Toxic material
1.2.2 Electric shock and fire safety precautions
1.2.3 Handling precautions
1.2.4 Assembly and Disassembly precautions
1.2.5 Disregarding this warning may cause bodily injury
1.3 ESD precautions

2.1 Product Overview
2.2 Specifications
2.2.1 General Specification
2.2.2 Print Specifications
2.2.3 Controller and Software specification
2.2.4 Scan specification
2.2.5 Copy specification
2.2.6 Fax specification
2.2.7 Paper Handling specification
2.2.8 Supplies
2.2.9 Maintenance Parts
2.2.10 Option
2.3 Machine External View
2.4 Feeding System
2.4.1 Feeding System Overview
2.4.2 Main Components and functions
2.4.3 Cassette (Tray 1,2,3,4)
2.4.4 Pick-Up Unit
2.4.5 Registration Unit
2.4.6 MPF(Multi-Purpose Feeder) Unit
2.5 Image Creation
2.5.1 Printing process overview
2.5.2 Imaging Unit Imaging Unit Overview Drum drive Developer Unit
2.5.3 ITB (Intermediate Transfer Belt) Unit ITB Unit overview Transfer belt drive Transfer belt cleaning
2.6 Fuser unit
2.6.1 Fuser unit overview
2.6.2 Fuser Unit drive
2.6.3 Fuser unit temperature control
2.7 Laser scanning unit (LSU)
2.7.1 LSU overview
2.7.2 Laser Scanning Optical path
2.7.3 Laser synchronizing detectors
2.7.4 Automatic line position adjustment
2.7.5 Shutter Mechanism
2.8 Drive System
2.8.1 Drive Motors
2.8.2 Main Drive Unit (OPC, DEVE, ITB, T1 DIS/ENG)
2.8.3 Pick Up Drive
2.8.4 Regi/ MP Drive
2.8.5 Feed Drive
2.8.6 Fuser/Exit Drive
2.8.7 Waste Toner Container Drive
2.8.8 Toner Supply Drive
2.9 Scanner System
2.9.1 Scanner System Overview
2.9.2 Scanning System Components
2.10 Duplex Automatic Document Feeder(DADF)
2.10.1 DADF overview
2.10.2 Electrical parts location
2.10.3 DADF Drive System DADF Original Drive Assembly DADF Registration (Regi) Drive Assembly DADF Feed Drive Assembly DADF Exit Drive Assembly Original Return Drive
2.11 Hardware Configuration
2.11.1 Main Controller
2.11.2 Operation Panel (OPE) controller
2.11.3 ADF PBA
2.11.4 SMPS (Switching Mode Power Supply) board
2.11.5 Fuser Drive Board (FDB)
2.11.6 HVPS board
2.11.7 Eraser PBA
2.11.8 Fuser PBA
2.11.9 Waste Sensor PBA
2.11.10 CRUM PBA
2.11.11 Deve CRUM Joint PBA
2.11.12 Toner CRUM Joint PBA
2.11.13 ITB Encoder PBA
2.11.14 Scan Joint PBA
2.11.15 Charge Coupled Device Module(CCDM) PBA
2.11.16 White-LED(WLED) CTL PBA
2.11.17 White-LED(WLED) AL FRONT PBA
2.12 DCF Unit
2.13 Finisher
2.14 Wireless LAN Option

3.1 Precautions when replacing parts
3.1.1 Precautions when assembling and disassembling
3.1.2 Precautions when handling PBA
3.1.3 Releasing Plastic Latches
3.2 Maintenance
3.2.1 Machine Cleaning for maintenance Cleaning the ACR/CTD sensor window Cleaning the LSU window Cleaning the transfer roller Cleaning the scan glass
3.2.2 Replacing the maintenance part Drum Unit Developer Unit ITB Cleaner ITB Unit Fuser unit Transfer roller Pick-Up_Reverse_Forward roller MP Pick up_Reverse_Forward roller DADF Pick-up roller Assy DADF friction pad
3.3 Replacing the main SVC part
3.3.1 Left Cover
3.3.2 Rear Cover
3.3.3 HVPS board
3.3.4 Temperature Sensor
3.3.5 LSU
3.3.6 OPE Unit
3.3.7 Main board
3.3.8 SMPS Fan
3.3.9 SMPS board
3.3.10 FDB board
3.3.11 Fuser-Duct Fan
3.3.12 Main board shield
3.3.13 Main Drive unit
3.3.14 Fuser/Exit Drive unit
3.3.15 Pick-up Drive unit
3.3.16 Feed Drive unit
3.3.17 Regi_MP Drive unit
3.3.18 Toner Supply Drive unit
3.3.19 Waste toner container Drive unit
3.3.20 Auto Size sensor
3.3.21 Exit Unit
3.3.22 Side Unit Fuser out sensor MP unit
3.3.23 Fuser unit
3.3.24 Pick-up Unit and sensor
3.3.25 Feed sensor
3.3.26 Feed Unit
3.3.27 Registration Unit
3.3.28 DADF Unit DADF Cover DADF Open Cover DADF Stacker DADF main board DADF motor_solenoid_clutch DADF Regi_Cover_Detect sensor DADF Exit Idle sensor DADF Exit sensor DADF Length_Width sensor
3.3.29 Scanner Unit Scanner joint board Scan glass APS sensor FR module Scanner Assy
3.3.30 Side Cover Open Switch
3.3.31 Front Cover Open Switch
3.3.32 Replacing the HDD
3.3.33 DCF (Double Cassette Feeder) DCF main board DCF Feed Motor DCF Pick Up Motor
3.3.34 Finisher Finisher Main Motor Finisher Board

4.1 Control panel
4.1.1 Introducing the display screen and useful buttons
4.2 Understanding the status LED
4.3 Updating Firmware
4.3.1 Updating from the Printer Control Panel
4.3.2 Updating from the Network
4.4 Service Mode (Tech Mode)
4.4.1 Entering/Exiting Service Mode
4.4.2 Service Mode Menu Tree
4.4.3 Information General Supply Status Software Version Service Hours Fault Log Print Reports Export Reports
4.4.4 Maintenance Counts Fault Count Jam Count Part Replacement Count Finisher Handling Count
4.4.5 Diagnostics Engine Diagnostics Fax Diagnostics Scanner Diagnostics Adjustment ACS (Auto Color Sensing) Image Management
4.4.6 Service Functions Main Memory Clear Hard Disk Maintenance Count Setting of Large Page Toner Save Port Debug Log Capture Log System Recovery TR Control Mode User Data Management
4.4.7 SFE (Special Feature Enablement)
4.5 Error Code and Troubleshooting
4.5.1 Ax-xxxx type error code
4.5.2 Cx-xxxx type error code
4.5.3 H1-xxxx type (DCF) error code
4.5.4 H2-xxxx (Finisher) type error code
4.5.5 Mx-xxxx type error code
4.5.6 Sx-xxxx type error code
4.5.7 U1-xxxx type (Fuser) error code
4.5.8 U2-xxxx type (LSU) error code
4.5.9 U3-xxxx type error code
4.6 Image quality problems and solutions
4.6.1 Vertical Black Band
4.6.2 Vertical White Band, Light Band
4.6.3 Horizontal periodic Black Band or Dot
4.6.4 Horizontal periodic Light/Dark Band or Dot
4.6.5 Foggy Image
4.6.6 Light Image
4.6.7 Blurred Image
4.6.8 Incorrect color registration
4.6.9 Uneven pitch and jitter image
4.6.10 Skewed image
4.6.11 Blank copy
4.6.12 Poor fusing performance
4.6.13 Stain on the paper back side
4.7 Adjusting the LSU skew error
4.8 Adjusting the DADF skew
4.9 Troubleshooting Guide

6.1 Tools for Troubleshooting
6.2 Glossary
6.3 Polaris Training Frequently Asked Questions

CLX9201ND CLX9201NA CLX9251NA CLX9251ND CLX9301NA CLX 9201ND CLX 9201NA CLX 9251NA CLX 9251ND CLX 9301NA NA ND