SATO D508, D512 service manual Introduction, Adjusting the Print Quality

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the VR1 potentiometer.
DSW6 has to be ON in order for to adjust the print darkness via

 

SECTION 4: CLEANING AND MAINTENANCE

CLEANING AND MAINTENANCE

4

4.1 INTRODUCTION

This section provides information on user maintenance for the SATO D508/D512 printers. This section contains the following information.

•Adjusting the Print Quality

•Cleaning the Print Head, Platen and Rollers

•Replacing the Print Head

•Replacing the Fuse

4.2ADJUSTING THE PRINT QUALITY

The SATO D508 / D512 printer is equipped with two different methods of adjusting the quality of the print—print darkness and print speed.

When adjusting the printer for optimum print quality, a barcode verifier system is highly recommended for evaluating the printouts. The human eye is a poor judge of the relative widths of the bars in a symbol, a characteristic that is extremely important for good bar code quality.

Print Darkness

This adjustment allows the user to control (within a specified range) the amount of power that is used to activate the print head heating elements. It is important to find a proper print darkness level based on your particular label. The printed images should not be too light nor should the edges of text or graphics be smudged. Instead, the edges of each image should be crisp and well defined.

Once the range has been selected, the PRINT Potentiometer (VR1) on the front panel can be used to make finer adjustments. It provides a continuous range of adjustment, allowing you to make precise changes. Use a small cross-point screwdriver, turning clockwise for darker print and counterclockwise for lighter print.

See page 3-3for instructions on performing potentiometer adjustments.

Note:

Adjustment of the Print Darkness using VR1 will affect the darkness in all the<ESC>#E command code ranges. That is, if the print darkness is adjusted with VR1 for lighter print, the darkness will be lighter in all the Print Darkness ranges selected by the command code.

SATO D508/D512 Operator Manual

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Contents OperatorSvice Manual Sato America, Inc Table of Contents Sato Contacts TroubleshootingSato Group of companies Overview Introduction General Printer SpecificationsAttribute General Printer SpecificationsMedia General Specifications CONT’DAttributes Barcodes Optional Accessories Introduction Sato D508/D512 Operator Manual Installation Electrical Precautions Printer Placement TipsGeneral Precautions Unpacking Printer Part Names Follow these steps to set up your printer Setting UP the PrinterLoading Media Fanfold media Overview of the fanfold-paper loading path Label SensingThis page is left blank intentionally Operating Panel Rear Panel DIP Switch Settings Configuration PanelSwitch 4 Unused DIP Switch Settings CONT’DSwitch 7 Data Dump Switch 8 Unused Error Codes Offsets Mode Length of Offset mm Print head resolutionPitch Offset Potentiometer AdjustmentsOriginal First Line Print Position Moved with Leading Edge Positive + OffsetPrint Darkness Potentiometer Adjustments CONT’DData Dump Diagnostic Label Printing Test Labels Printing FACTORY/SERVICE Test Prints Configuration and Operation Sato D508/D512 Operator Manual Introduction Adjusting the Print QualityCleaning the Print HEAD, Platen and Rollers Cleaning the Print HEAD, Platen and Rollers CONT’D RELEASING/REPLACING the Print Head Cleaning the Sensor This page is left blank intentionally Interface Types Interface SpecificationsSingle Job Buffer Receive BufferMulti Job Buffer Receive Buffer CONT’DIEEE1284 Parallel Interface PIN Signal DirectionRS-232C Interface General SpecificationsPin Direction Signal Definition 1 RS-232C Interface SignalsON/X-OFF Flow Control READY/BUSY Flow ControlUniversal Serial BUS Interface Local Area Network InterfaceSpecifications Wireless LAN Interface 802.11 B/GSwitch Setting Software Specifications LED Indicator StatusInterface Specifications Checking the IEEE1284 Parallel Interface Initial ChecklistObservations Using the IEEE1284 Parallel Interface CONT’D Obserations Checking Using the Parallel Interface CONT’DChecking the RS232C Serial Interface LED Indicators Buzzer Error Condition Corrective Action Error SignalsChecking the 802.11G Wireless Interface Sato Contacts Asia Pacific & Oceania Region Sato Group of Companies
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