Brand: SAMSUNG
Category: Other
Document Type: Parts/Service
Language: EN
Available Languages: EN , ES
Parts/Service for CLX-8640/8650
Uploaded: Nov. 21, 2025, 9:18 p.m.
Manual Publish Date: 2013-01-01
Warranty Information
This manual does not explicitly state a warranty period.
- Precautions: Emphasizes safety warnings, handling of toxic materials, electric shock/fire prevention, assembly/disassembly procedures, and ESD precautions to prevent damage and injury.
- Product Specifications and Description: Details printer overview, general specifications (temperature, humidity, power, dimensions, weight), print speeds, controller/software compatibility, scan/copy/fax capabilities, network interface, and memory/HDD management.
- Disassembly and Reassembly: Provides step-by-step instructions for replacing various parts, including maintenance parts like drum units and fuser units, as well as main service parts.
- Troubleshooting: Offers solutions for common issues such as jams, no power, stain on paper back side, and touch screen calibration problems. Includes error code lookups for various types (Ax-xxxx, Cx-xxxx, H1-xxxx, H2-xxxx, Mx-xxxx, Sx-xxxx, U1-xxxx, U2-xxxx, U3-xxxx).
- System Diagram: Illustrates the interconnectedness of various components and PC boards within the machine.
- Reference Information: Includes a list of tools for troubleshooting, a glossary of terms, and definitions for network-related information.
Troubleshooting and error codes
| Step | Section | Check item | Result | Action |
|---|---|---|---|---|
| 1 | Transfer Roller Assy | Is the transfer roller dirty or worn out? | Yes | Clean or replace the Transfer roller Assy. |
| 2 | ITB Unit | Is there any stain caused by a poor cleaning, etc. on the transfer belt? | Yes | Clean the transfer belt. |
| 3 | Is the transfer belt cleaning blade in proper contact with the transfer belt? | Yes | Take off the ITB unit. Check if the transfer belt cleaning blade contacts the belt and side plate is assembled correctly. | |
| 4 | Fuser Unit | Are the fuser belt and pressure roller dirty? | Yes | Clean the fuser belt and pressure roller. |