HP V8.5 manual Clear

Page 49

T H E O R Y O F O P E R A T I O N

	Signal	Signal Name	Signal	Operation
	Mnemonic	Signal Name	Level	Operation
	Mnemonic		Level

	CLEAR	Remote clear	Low	Clears the input buffer.

				Resets the plotter and re-initializes
	RESET	Remote Reset	Low	all logic while the signal is asserted.
	RESET	Remote Reset	Low	Ready remains high while reset is
				Ready remains high while reset is
				asserted.

				Terminates the buffer data currently
				being loaded, causes all previously
				loaded data to be output in sequence,
	RLTER	Remote line	Low	then outputs the buffer data just
	RLTER	terminate	Low	terminated in sequence. This
		terminate		terminated in sequence. This
				command is ignored if received
				immediatley after a full scan has
				been automatically terminated.

	RFFED	Remote form	Low
	RFFED	feed	Low
		feed
				Terminates the buffer data currently
				Terminates the buffer data currently
		Remote end		being loaded, causes all previously
		Remote end		loaded buffer data to be output in
	REOTR	of	Low	loaded buffer data to be output in
	REOTR	of	Low	sequence, then outputs the buffer
		transmission		sequence, then outputs the buffer
		transmission		data just terminated in sequence.
				data just terminated in sequence.
				Paper is then advanced.

	Table 5-3. Remote function signals

5

V8.5eRev2.2.2002

5 -5

Image 49

Contents V8.5 Thermal Plotter Trademarks Copyright NoticeDisclaimer HaftungsausschlussPage Iii V8.5eRev2.2.2002 Limitation of Liability Contents Operation Appendices MaintenanceV8.5eRev2.2.2002 Media Description General DescriptionAbout this Manual Operation FunctionalSpecification S Media Electrical TransportInterface Environmental PhysicalUnpacking InstallationMounting and Positioning Media Installation Interface SetupInstalling rolled paper Back Panel Roll paper and film path Opening the plotter Lid Installing fan-fold paper Installing rolled film Spindle blocks E R a T I O N Power Supply PrecautionsControl panel Using the Control PanelControl panel button functions Rev2.2.2002 Changing function settings Control Panel Functions and SettingsTestplot Default SettingsContrast Speed Media Scaling MenusettingsareF2, F4, F8, tF,PF Emulation vertical resolutionForm feed length E R a T I O N Bytes per scan Menusettingsare b1, b2, g1, g2, g3, and g4Grayscale media table number Setup headers for programming the V8.5eSA=4B E R a T I O N Byte Line feed Error MessagesFehlermeldungen Power supplies Plotter Functions and FeaturesIntroduction T I O N Stepper motor Interface timing and signalsInterface Data Transfer Clear Minimum data rates Data ratesScan width VerticalresolutionMode signals Print modeThermal Printhead Automatic Head Temperature FeedbackMedia Sensors Film mediaMaintenance I N T E N a N C E Maintenance GuidelinesRegular Maintenance Cleaning the thermal printhead Cleaningtheplatenroller Replacing the fuse Troubleshooting Plotter does not plot ProblemsPlotwithverticalwhitestripes Plot has vertical white stripesPlot is blotchy or faded Plot contrast is weak Plothasblackverticallines SolutionPaper is wrinkling or tearing along one edge Plot is wrong lengthCan’t make changes to control panel settings Plotter has no powerPlot output speed is erratic Bloomingplot Form feed does not stop at top-of-form marks Form feed stops before desired lengthSkewedplot Plot is skewed or unreadableR R a N T Y R R a N T Y C I I T a B L E S Interface Connector PIN Assignment TableB-2. Centronicscablepinoutsstraightthrough Centronics Interface Board Centronics Interface Board Centronics Interface Board