Star Micronics 4000 Troubleshooting Solving print quality problems, Symptom Possible Cause Action

Troubleshooting: Solving print quality problems

Below is a list some of the problems that you may encounter with this printer. Ordi- narily, you can easily remedy the situation yourself. However, if the problem persists, call your authorized Star Micronics service center or our customer service department for assistance. The addresses and telephone numbers where you can contact these people are listed in the back of this manual.

Symptom			Possible Cause	Action
			The print media is moist	Remove the moist media
				and load new, dry media.
				Refer to "Loading paper"
				pages 12 — 14
			The laser output port window	Clean the output port
			is dirty.	window. Refer to
	Faded print			"Cleaning the output port
				window" pages 66 — 67.
			The toner cartridge is low on	Replace the toner cartridge.
			toner	Refer to "Installing the
				toner cartridge" pages 2
				— 4.
			The toner cartridge is damaged.	Replace the toner cartridge.
				Refer to "Installing the
				toner cartridge" pages 2
				— 4.
			The print media is outside	Use recommended print
		Printer	the recommended	media.
			specifications.	Refer to "Selecting print
				media" page 11.
			The toner cartridge is damaged.	Replace the toner cartridge.
				Refer to "Installing the
		Black dots		toner cartridge" pages 2
				— 4.
			The toner cartridge is damaged.	Replace the toner cartridge.
				Refer to "Installing the
		Printer		toner cartridge" pages 2
				— 4.
			The laser output port is dirty.	Clean the output port
				window. Refer to pages
Vertical black streaks				66 – 67.

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