Citizen Systems CT-S4000DC user manual Cleaning the Print Head, Self-printing

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4.3 Cleaning the Print Head

1.Turn the printer power off.

2.Open the printer cover.

3.Wait several minutes. Wipe off any debris on the heating element of the head using a cotton swab soaked in ethyl alcohol.

Print (thermal) head

CAUTION!

The print head is hot immediately after printing. DO NOT touch it with your hand. DO NOT touch the heating element of the head with a bare hand or metal object either.

4.4 Self-printing

Insert paper into the printer. With the FEED button pressed and held, turn the printer power on, keep the FEED button held for about 1 second, and then release the FEED button. The printer starts self-printing. The printer prints model name, version, DIP switch setting, memory switch setting, and built-in fonts.

	Firmw	are versi			on

	Interface
	Serial	communication				Memory
	condition (Only serial
						switch
	interface model)
						setting


	Buffer size

	DIP switch setting
	(Only serial interface
	model)

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Contents Line Thermal Printer Weee Mark For Uses in Canada SicherheitshinweisPour L’utilisateurs Canadiens General Precautions Safety Precautions ... Which should be Strictly Observed Precautions on Printer Installation If leakage occurs electric shock may result Malfunction, failure, or electric shock may resultGas explosion could result Precautions in Handling the Printer May result in poor print quality Printer failure or breakage may occurDaily Maintenance Table of Contents General Outline FeaturesModel Classification UnpackingSpecifications Basic SpecificationsPrinter Appearance Explanation of Printer PartsOperation panel Operation Panel Other Built-in Functions Printer Cover InsidePreparation Connecting the AC Power CordSignal Pin Connecting Interface CablesPin Signal Signal Function Connecting the Cash DrawerConfirm that the power switch is OFF Open the printer cover Installing the PrinterPartition for Paper Roll Switch No Function Setting DIP SwitchSettings Baud Rate bps Switch NoAdjusting the Paper Near-end Sensor Removing Jammed Paper Setting/Replacing the paper rollPull the cover open button forward Open the printer cover Firmly close the printer cover until a click can be heardSelf-printing Cleaning the Print HeadHexadecimal Dump Printing Error IndicationStatus When the Paper Cover Cannot Be OpenedBuzzer Other External Views and DimensionsPrinting Paper Paper Type Product NameSwitch No Setting OFF Manual Setting of Memory SwitchDTR/DSR, XON/XOFF Switch No Setting Default Set ValuesPower on Info Valid

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