IBM EasyCoder 3400e user manual Print Quality Problems, Troubleshooting Printer Operation Problems

Troubleshooting 4

Printer Operation Problems (continued)

Symptom Possible Causes Solution

Printer is not	Corrupt or incorrect information in
communicating, not	printer memory.
printing, or not
printing properly.

Reset the memory to return the printer to its default configuration. For help, see “Resetting the Memory on Your Printer” in Chapter 6. After you reset the memory, power off the printer and return the DIP switches to the required setting. For help, see “Configuring the Serial Port for Communications” in Chapter 1.

Print Quality Problems

If your labels are not printing properly, check the following table to locate the symptom and correct the problem.

Symptom	Possible Causes	Solution
Blotches printing on	Dirty printhead.	Clean the printhead. For help, see “Cleaning the
labels.		Printhead” in Chapter 3.
	Dirty media path or rollers.	Clean the media path. For help, see “Cleaning the
		Media Guides and Media Path” in Chapter 3.
	Poor quality label or ribbon stock.	Use only Intermec label and ribbon stock to ensure
		superior print quality and product performance.
Printing is too light	Incorrect media sensitivity setting.	Change sensitivity setting to match the type of media
or too dark.		you are using (for help, see “Setting the Media
		Sensitivity Number” in Chapter 2). If you set the
		sensitivity setting correctly, try changing the dark
		adjust.
	Incorrect darkness adjust control	Adjust the knob to achieve the best print quality. For
	setting.	help, see “Adjusting the Print Darkness” in Chapter 5.
	Poor quality label or ribbon stock.	Use only Intermec label and ribbon stock to ensure
		superior print quality and product performance.
	Dirty printhead.	Clean the printhead. For help, see “Cleaning the
		Printhead” in Chapter 3.

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