Brand: Canon
Category: Printer
Document Type: Manual
Language: EN
Manual for imageRUNNER 2530/2525/2520
Uploaded: April 20, 2026, 8:07 p.m.
Manual Publish Date: 2009-01-01
This manual covers the following sections:
- Safety Precautions: Outlines safety guidelines including CDRH Act, laser safety, handling of laser systems, turning the power on/off, toner safety, and notes for handling batteries and before servicing.
- Product Overview: Details the product lineup, features, specifications, and names of parts.
- Technology: Explains the basic configuration, original exposure system, image formation system, printer unit output image processing, laser exposure system, fixing system, and pickup feed system.
- Periodical Service: Covers consumable parts and cleaning.
- Parts Replacement and Cleaning: Lists parts and provides instructions for removing and replacing external covers, main units, and consumable parts.
- Adjustment: Details adjustments related to replacing parts, scanning systems, controller systems, and laser exposure systems.
- Troubleshooting: Provides guidance for upgrading targets and procedures.
- Error Code: Lists various error codes and their details.
- Service Mode: Explains how to use service mode and details various service functions.
- Installation: Guides through the installation procedures for various components and the machine itself.
- Appendix: Includes general circuit diagrams and information on oils and solvents.
Troubleshooting and error codes
| Troubleshooting | ||
| Trouble | Likely Cause | Solution |
| Paper Jams | Incorrect paper loaded, worn rollers, or foreign objects in the paper path. | Check paper type and loading, clean or replace rollers, remove obstructions. |
| Poor Print Quality (Streaks, smudges, faint images) | Dirty toner cartridge, faulty drum unit, or issues with the fixing unit. | Clean or replace toner cartridge, replace drum unit, inspect fixing unit. |
| Machine Not Turning On | Power cord issue, faulty power supply, or main power switch problem. | Check power cord connection, inspect power supply, verify main power switch. |
| Error Codes Displayed | Specific system malfunction indicated by the code. | Refer to the "Error Code" section for detailed explanations and solutions. |
| Scanner Issues (Vertical lines, poor image clarity) | Dirty scanner glass, faulty CIS sensor, or problems with the reader relay PCB. | Clean scanner glass, inspect CIS sensor, check reader relay PCB. |