Xerox C2424 Service Manual - Page 255

The Printed Image Is Too Light or Too Dark Step Questions and Actions Yes 1 1. Verify the paper type at the control panel Complete. matches the paper type in the driver and in the software application being used, especially if printing on transparency. 2. Verify the paper type is a supported media type for this system. 3. Did this correct the problem? 2 1. Change/adjust the print mode settings. 2. Did this correct the problem? Complete. 3 1. The ink may be discolored due to age or lack Complete. of use over an extended period of time. 2. Insert new ink and print a solid fill test print. Run the test print until the affected color returns to normal. 3. Did this correct the problem? 4 1. If the problem is occuring for only one color, Complete. purge the ink up to 10 times to clear the ink or until discoloration is cleared. 2. Did this correct the problem? No Go to Step 2. Go to Step 3. Go to Step 4. Replace the printhead. No Image is Being Printed The system processes a sheet of paper, but no image is printed on it. Note Blank sheets accompanying multi-picks or chase pages following a jam are a part of normal operation. Step Questions and Actions Yes 1 1. Inspect the area around the printhead and Complete. drum and remove any media or bits of paper jammed between the printhead and drum. 2. Did this correct the problem? 2 1. Follow the instructions on the "Printhead Troubleshooting Checklist". 2. Did this correct the problem? Complete. 3 1. Inspect and reseat the wave amp and data Complete. cables connecting to the printhead. 2. Replace or repair any defective cables. 3. Did this correct the problem? No Go to Step 2 Go to Step 3. Replace in the following order: ■ electronics module ■ printhead Image-Quality Troubleshooting 5-15