Changing the Jumper Connector, Verifying the Setting | Kyocera 3750

C.2. RS-232C/RS-422A Interface

3. Pull the main circuit board all the way out of the printer.

☛ Before pulling the main board out, clean an area on the table, etc., at the back of the printer's rear panel. Foreign objects, acciden- tally sticking to the back of the main board, can cause serious damage to the printer.

Jumper Connector

Changing the Jumper Connector

1.Carefully remove the jumper connector from the main circuit board, and reconnect to the pin

position shown in the diagram.

Jumper Connector

2.After completion of the above, return the main circuit board to the printer by reversing the procedure followed when removing it.

Verifying the Setting

The procedure described below should be followed to verify that the RS-422A mode had been correctly set. Print the service status page to verify that the RS-422A mode has been correctly set.

1.Make sure the power switch is off. Plug the power cord into the printer and turn power on.

2.If the printer is on-line, selectý!!3ULQW 6WDWXV SDJH in the Mode Select menu (refer to Mode Select Menu at the end of this document), and print the service status page.

3.Verify whether the setting is correct by checking the status printed at the bottom of the page. The fol- lowing sample indicates that "RS-422A" is set "RS4". If "RS-232C" is set, "RS2" appears.

[Printer Status Page]

Indicates the current serial interface mode.

C-6

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Kyocera 3750, FS1750 manual Changing the Jumper Connector, Verifying the Setting

Contents

FS-1750 FS-3750 Introduction Limitation of Remedies Limited WarrantyLicense Typeface Trademark Acknowledgement General Conforming to the Class B limits FCC statementConforming to the Class a limits Safety information Interface connectorsImportant note on the interface connectors Laser safety Cdrh regulations Ozone concentration CE Marking Directive Declaration of Conformity U.S.A Declaration of Conformity Australia Viii Disclaimer Canadian Department of Communications compliance statementISO Moving the Printer Prolonged Non-Use and Moving the PrinterProlonged Non-use Kyocera ECO-PRODUCT Action program Energy Introduction Maintenance FeaturesPrint Engine Features Options Software Features Prescribe 2e Programming Manual on CD-ROM Guide to the ManualCD-ROM Kyocera Digital Library Table of Contents Xvi Xvii Xviii Places to Avoid Positioning the PrinterClearance Basic requirements Temperature 10C to 32.5C 50F to 90.5F Humidity 20% to 80%Voltage Frequency Unpacking and Inspection Power Supply List of Shipped Components Front View Names of Parts Rear View Interior View Setting Up and Interfacing Open the top cover Install the toner container Close the top cover Install the waste toner bottle Open the side cover on the left side of the printer Adjusting the paper guides in the cassette and adding paper Setting Up and Interfacing Open the paper stopper on the face-down output tray Install the face-up output tray if required Connect the printer to the computer Attach the power cordParallel interface Serial interface Test the interface with the computer Set the emulation modePrint a status Windows 95/Windows Install the printer driver CD-ROM Drive Name\drivers\Language\pcl\9x CD-ROM Drive Name\drivers\Language\kpdl\9x Windows Cassette Mode First Mode Automatic Manual FeedingMP Multi-Purpose Tray Feeding Duplex Printing from the MP tray 03 WUD\ Prgh Luvw First Mode Automatic Manual Feeding Feeding Envelopes Cassette Mode To Remove the Memory Card Memory CardHandling a Memory Card Removing the Main Circuit Board Memory Expansion Installation Withdrawing the Main Circuit Board from the Printer Simm to be used Installing and Removing SIMMsInstalling SIMMs Removing SIMMs Testing the Expansion Memory Control Panel Operating the Laser Printer Resolution Indicator Interface IndicatorMessage Display Message Meaning Copy Indicator Paper Size Indicator Indicator Name Description Symbolic Indicators Key Function Control Keys Switching Power On Operating ProceduresStack Selection Feed Selection Canceling Printing On-line/Off-line Setting Status Printout Sample Status Form Feed Function Default Setting Using the Mode Select MenuMode Select Menu 2SWïý 520ý ý ý ý ý ý ý Parallel Interface Configuring Interfaces RAM Disk Operations Setting the RAM Disk Size Hints on Writing Fonts to the Memory Card Operating a Memory CardReading Fonts/Data from a Memory Card Writing Data to a Memory Card Deleting Data from a Memory Card Printing a list of data names Formatting a Memory Card Keys to displayý!&DVVHWWHýVLHý Setting Custom Sizes Cassette, Media Type and Custom Settings Setting the Paper Type Paper Type User Setting Making Settings Submenus displayed Selection parameters Description Sleep Ecopower Mode Dumping Received Data Cancel key KIR 2 Level Optimized stripes Ecoprint ModeDark vertical stripes White vertical stripes Resource Protection Adjusting the Print Density Type of Error and Corresponding Audio Alarm Buzzer Setting the Audio Warning Buzzer Setting the Audio Warning Buzzer Internal Fonts Fonts Font Number Font samples List of FontsInternal Scalable and Bitmap Fonts List of Fonts Kpdl Fonts List of Fonts Toner kit replacement interval Toner Kit ReplacementToner Kit to be Used Supplying Toner To replace the toner container, proceed as follows Toner Kit Replacement Replace the Waste Toner Bottle Do not cap the new waste toner bottle Main Charger Unit CleaningCleaning the Charger Wire Cleaning the Grid Paper Feed Unit If the printing is abnormal General GuideIf the printer does not print Interface Problems Power Problems Completely blank printout Print Quality ProblemsAll-black printout Check the developer unit Dropouts, horizontal streaks, stray dots Clean the charger wireBlack or white vertical streaks Check the control panel Grey background Faint or blurred printing Characters out of position Dirt on the top edge or back of the paperCheck the paper chute and the ramp Check the transfer roller Symbolic Indicators Indicators and MessagesIndicators Message Corrective Action Maintenance MessagesMaintenance Messages DOO Vhuylfh Ning to ensure correct reading of the memory card Error MessagesError Messages 0025&$5 HUUúú Correcting a Paper Jam Printer Symbol Rear Cover Drum cleaning ResolutionFS-1750 FS-3750 Printing method Printing speed Power consumption Description FS-1750 FS-3750 Power requirementsSound pressure level at Front Dimensions Weight Table B.1 Specifications Paper SpecificationsSpecification General Guidelines Condition of the Paper Selecting the Right PaperComposition Paper Size Moisture Content Basis WeightSmoothness Thickness Caliper Paper type Media type Special Paper Table B.4 Adhesive Label Specifications Table B.3 OHP Film SpecificationsOverhead Projection OHP Film Adhesive-Backed Labels Colored Paper EnvelopesPreprinted Paper Recycled Paper Parallel interface communication modes Parallel Interface Pin In/out Description Interface SignalsTable C.1. Parallel Connector Pin Assignments Paper Empty PError Pin Data 0 1 to Data 7 8 Pins 2 toReset nInit Pin Error* nFault Pin RS-232C interface Interface SignalsRS-232C/RS-422A Interface Removing the Main Circuit Board RS-422A interface Verifying the Setting Changing the Jumper Connector Serial Connector Overview of Signals RS-422ARS-422A interface voltage levels RDB Receive Data Pin RDA Receive Data Inverted Pin RS-232C/RS-422A Protocol RS-232C Cable Connection Prescribe 2e Frpo D0 commandPreparing an RS-232C Cable H7 Buffer nearly-empty threshold Ctrl P \DIR Connecting the Printer to the Computer Data On Line Index Index-2 Index-3 Basic Operations During Mode Selection Mode Select Menu From Previous VLH Hyhorshu