User manual OMR 300S English Date: 11/2006
Contents
1. The document is drawn in but is not Check if the transport rollers are dirty scanned completely see section 5 5 1 The ejection behavior is not defined Contact your supplier if you are using documents that have clock marks that are wider than those prescribed and that thus do not correspond to the document specification DATAWIN GmbH OMR 300S User Manual 4 9 DATAWIN Data Capturing Solutions es Document output The document is drawn in correctly the If none of the measures described above read data is transmitted to the PC but the have helped reader does not output the document Only Clean all the light barriers in the after a document has been removed transport path see section 5 5 2 manually is the next document drawn in Check if the interface cable is firmly connected If these measures still do not remedy the situation Please contact DATAWIN Hotline 49 17 33 87 45 27 Fax 49 871 43 05 99 29 E mail info datawin de DATAWIN GmbH OMR 300S User Manual 4 10 DATAWIN Data Capturing Solutions 5 Setting adjusting and cleaning the reader This chapter describes how you can set the document reader by means of simple mechanical adjustments to correspond to the documents to be read and how you can clean the OMR 300S without great effort to increase the read accuracy For these operations you will need a hexagon socket screw keys 1 5 and 2 5 mm and a cross tip screwdriver si2. cccccccsecceeeeceeeeeeeeeeeseeeeseeees 1 2 COS Ol ES IVI T A 1 3 Device related Safety INfOPMATION cccccccceececeeeeneeeceeeeceeeeseeeseueeseeeeeeeseeeenes 1 4 ROTM OR EL ZEEE IEN T AT A A E A A eee EE 1 4 Precautionary measures for transportation storage and installation 1 4 Selection olihe WOK SE viciisinccaietesnatetdhensndstaawsindasusousdisaunipsidiennneveavedigatausedaeeauss 1 5 The OMR 300S optical mark reader ccceceseeeeeeeeeeesneeeeeeeeeneeneseesenseeees 2 1 Functional COMPONENMNS ccccecceeeeeeceeeceeeeeeceeeceeeeueceeesseeseeseeeseeseeeseeseeseeses 2 1 Document processing from intake to OUtPUL cccccseeeceeeseeeseeeneeeneeeneeenes 2 3 Automatic document IMAG oe ncra stad ocenseadocessacssenddacocanadadoaesatacoateaiadesesstacsagessadeaios 2 3 Document transport path ccccccccceecceeeceeeseeeceeeseeeeeeeseeeseueeeeeseeeseeeeeeeseeeneeenes 2 4 Read Stations gsc ctccsdevedecetchscoustoatdeutch nini iinan eenia EEan ii anini 2 4 Sorting deflector and document output saennonnoennnennnnnennnnnnnnenernnerrnerrnenrnnenne 2 5 LED display and ray DUIO etcerrs ech eyen ase eteat decree feeedeaucetae abasonueee 2 6 ODMC Wal DMC are a O 2 6 Preparing and installing the reader cccsceseeeeeeeeeeeeeeeeeeeeseeseeseneeneeeenees 3 1 Attaching the inclined adjustable feet ccccccccccsecceeeeceeeeeeeseeeeeeesseeeseeeseeees 3 1 Adjusting the doc
3. DATAWIN Data Capturing Solutions 6 Requirements on the documents This chapter describes the requirements on the documents to be processed and provides tips on the OMR marks to ensure smooth operation of the OMR 3008 6 1 External characteristics Good read results presuppose good quality of the documents to be processed Therefore certain minimum requirements must be taken into consideration Prerequisite for the accurate scanning of the marks on the documents is a straight and unimpaired transportation of the documents through the reading stations The external characteristics of the documents to be read are also important Do not place any wrinkled rolled or folded documents in the reader lf necessary smooth out the document beforehand and eliminate any dog ears The use of correction fluids is forbidden Nevertheless in the event that a document was treated with correction fluid please assure that the fluid has dried completely Otherwise there is danger that dirt may pass into the transportation mechanism and into the scanning unit which could lead to reading inaccuracies Improperly glued bar code labels may also cause transportation disturbances and document jams Therefore please press down the edges of the labels firmly DATAWIN GmbH OMR 300S User Manual 6 1 DATAWIN Data Capturing Solutions 6 2 Prescriptions and recommendations concerning OMR marks 6 2 1 The mark field n eg ead peas a eate
4. Basic setting Standard document ccccccceeececeeeeeeceeeeseeeeseeeeseeeeseeeeseeeeaes 5 2 Adjusting the lateral setting of the OMR read head cccceeccseeseeeeeeeeeseeeeees 5 3 Adjusting the lateral setting of the lower OMR read head option 05 5 4 Marking examples and possible scanning results cccccceseeeeeeeeeeeeeeeeeeeeees 5 5 Setting the document isolation ceecceececseeeeceeeeeeeeeeseecetaeseeseeeesseesseeesaeeees 5 6 Cleaning the Separating Delt ccccccccecccceeceeceeeeseeeeeceeeeeseecessaeeessaeeeseeseesanees 5 7 Replacing ink Cartridges in the Printer cccccceeeesseeeeeeceeeeeeseeeeseeeneeeneeeseeees 5 8 General information on cleaning the OMR S00S ccccccceesseeeeseeeeeseeeeeeaes 5 10 Cleaning the transport rollers ccccccseececsececeeeceseeeeeceneeeseeessseessaeeeseeseesees 5 11 Cleaning the light Darri rs ccccccsseccceeeeseeeeeeeeeeeceeeeseeeesseeeeeseeeessesesseeeeess 5 11 Cleaning the OMR and the bar code read Neads cccceseceeeeeeeeeeteeeeeeeees 5 11 Cleaning the housing surface cccccceeccceeeeeceeeeeceeeeeseeeeeseeeesaaeeesaeeeesaeeeesaes 5 12 Requirements on the documents ccccceceeeeeeeeeeeceeeneeneensaeseeseeeeeensaeseees 6 1 External characteris UCS 5 ces sscc sadniyuanindasiemaaianivnendasunins einepunesdaevencniaenuacedea usennonias 6 1 Prescriptions and recommendation
5. DATAWIN GmbH OMR 300S User Manual 5 2 DATAWIN Data Capturing Solutions 5 2 2 Adjusting the lateral setting of the OMR read head To adjust the lateral setting of the OMR read head you will need a hexagon socket screw key 1 5 mm At the front of the scanner cover there is an opening for the hexagon socket screw key Insert the hexagon socket screw key into the opening and turn it clockwise the read head is set further away from the edge of the document edge with the clock mark or from the reference line see section 5 1 counter clockwise the read head is set closer to the edge of the document edge with the clock mark or to the reference line see section 5 1 Conduct a test run with original documents to check the setting of the read head DATAWIN GmbH OMR 300S User Manual 5 3 DATAWIN Data Capturing Solutions 5 2 3 Adjusting the lateral setting of the lower OMR read head option At the front of the lower scanner cover there is also an opening for the hexagon socket screw key for adjusting the lateral setting of the OMR read head Insert the hexagon socket screw key into the opening and turn it clockwise the read head is set further away from the edge of the document edge with the clock mark counter clockwise the read head is set closer to the edge of the document edge with the clock mark DATAWIN GmbH OMR 300S User Manual 5 4 DATAWIN Data Capturing Solutions
6. 5 2 4 Marking examples and possible scanning results 4 5 T 2 3 6 7 i y X 6 ert k Status C Scanner and Interval from Interval from document cut scanner to scanner to correct reference line too reference line too slight related to large related to document document Comments onthemarking Seanin aloma mame more aowe zloma noe Mowae Accurate a responem more o o ooo s Testpoin loeredge no w e e Testpcnt upper ease no vws w peoa eee a ee a Seg aak bleeding mark Inaccurate Accurate as with an old ball point pen Status A Scanner and document cut correct In this case you do not need to make adjustments Status B Interval from scanner to reference line too slight related to document Turn the hexagon socket screw key clockwise and note how far the read head moves away from the reference line e Close the scanner cover and test the results Status C Interval from scanner to reference line too large related to document Turn the hexagon socket screw key counter clockwise and note how far the read head moves towards the reference line e Close the scanner cover and test the results DATAWIN GmbH OMR 300S User Manual 5 5 DATAWIN Data Capturing Solutions 5 3 Setting the document isolation The document isolation is designed for a wide variety of paper qualities and surfaces and it thus operates very reliably The two feed rollers by means of
7. Manual 2 4 DATAWIN Data Capturing Solutions 2 2 4 Sorting deflector and document output After the documents have passed the read stations and the curved baffle plate they are deposited controlled by the sorting deflector in one of the output trays Sorting deflect The criteria for this are laid down in the application program e g if the read result is evaluated as poor the faulty document is deposited in the upper output tray the bad tray DATAWIN GmbH OMR 300S User Manual 2 5 DATAWIN Data Capturing Solutions 2 2 5 2 2 6 LED display and tray button Two control lamps show the operating status of the reader see section 4 3 1 The button enables manual control of the document intake tray Optional printer As an option it is possible to integrate an ink jet printer in the reader The type used is an HP ink jet printer The installation position is located in the lower transport path next to the curved baffle plate The printer is designed for alohanumeric character output with a density of up to 8 characters 25 4 mm and up to 50 characters per document The printout is produced on the rear side of the document The information to be printed e g a document number or the designation of the processing procedure is parameterized in the application program Further information on the application program is to be found in the corresponding manual Information on how to exchange ink
8. been removed When you are working with spirits of wine be sure that there are no burning objects cigarettes or similar in the environment of the working place DATAWIN GmbH OMR 300S User Manual 5 11 DATAWIN Data Capturing Solutions 5 5 4 Cleaning the housing surface Use a brush or similar to free the surfaces of the reader housing from dust In addition long term protection can be achieved if you apply silicone free hard wax to the surfaces The operating behavior of the reader will be positively influenced if you also polish the guide plates in the scanner cover the document bed of the intake tray and the document stoppers with silicone free hard wax Your reader was also treated with this wax before it was delivered If the surfaces of the document transport path no longer permit easy gliding of the documents because they have become soiled you can optimize the route that the documents traverse by renewed polishing In carrying out these operations be absolutely certain that the parts of the transportation mechanics all rotating parts of the reader do not come in contact with the wax For safety sake when polishing the surfaces that the documents pass across in areas near the read windows cover the respective rollers with paper If despite this rollers come into contact with the wax you must clean them again very carefully with spirits of wine DATAWIN GmbH OMR 300S User Manual 5 12
9. cartridges is contained in section 5 4 DATAWIN GmbH OMR 300S User Manual 2 6 DATAWIN Data Capturing Solutions 3 Preparing and installing the reader This chapter describes how to attach various accessories to the reader and how to proceed with the installation from connection to a host PC up to conducting a test run 3 1 Attaching the inclined adjustable feet You can improve document guidance in the OMR 300S reader if you set it up so that it is not completely level on the work surface but rather slightly inclined toward the back For this purpose two spacers are included in the delivery that you can insert into the corresponding bore holes at the front bottom side of the two adjustable feet Lift the reader slightly at the front by the adjustable feet feel for the bore hole and insert a spacer into the bore hole of each foot until tt doesn t fall out again Then set the reader down again on the adjustable feet and press uniformly on both feet until the spacers are inserted up to the limiting position in the bore holes DATAWIN GmbH OMR 300S User Manual 3 1 DATAWIN Data Capturing Solutions 3 2 Adjusting the document stoppers To assure safe feeding in and depositing of the documents you must set the document stoppers to correspond correctly to the size of the documents to be used before you start operation of the reader Itis absolutely necessary that you observe the follow
10. into consideration when transporting or storing the reader Mains connection and authorization The reader may only be operated when connected to a grounded shockproof outlet Industrially operated mains networks often exhibit substantial load dependent interference peaks powerful motors electrical welding plants etc The OMR 3008S reader is protected against such interference to a great extent but if interference is present try to use a network used for EDP or select a mains supply that is free of interference Make sure that the mains voltage that is present corresponds to the required values stated on the type plate Never open the housing of the reader and never remove any housing parts Always turn the reader off via the mains switch before carrying out any adjustments or cleaning operations It is forbidden to effect changes or modifications to the reader that are not stated in this manual The manufacturer of the device will decline any form of guarantee demand and will not accept any service clauses if it can be demonstrated that the reader was manipulated or damaged by unauthorized persons DATAWIN GmbH OMR 300S User Manual 1 4 DATAWIN Data Capturing Solutions 1 3 3 Selection of the work site Take care to assure that the OMR 300S is exposed to appropriate operating conditions This is important in assuring faultless functioning of the reader The reader must stand on a stable horizontal and leve
11. or foreign object 4 4 1 Opening and closing the scanner cover Grasp the scanner cover at the front document intake area and lift it uowards Fold the cover towards the back until it comes to rest on the housing To close it again swing the scanner cover forwards until it is clear that the guide pin of the base plate has locked into place Please do not allow the cover to fall backwards onto the housing when opening it nor to fall forwards onto the base plate when closing it DATAWIN GmbH OMR 300S User Manual 4 DATAWIN Data Capturing Solutions 4 4 2 Removing documents Carefully remove all documents that are located in the paper pathway and ascertain the cause of the document jam e g wrinkled document dog ears poorly glued bar code label Always remove the document in the direction of the transport path If necessary turn the double transport rollers with your thumb and pull the respective document carefully out of the transport rollers towards the front the other transport rollers will move accordingly Pulling out documents in the direction opposite to that of the transport path may lead to damages or maladjustment of the isolation equipment Replace in the intake tray the documents caught in the jam and possibly any other documents to be fed in and restart the read process DATAWIN GmbH OMR 300S User Manual 4 8 DATAWIN Data Capturing Solutions 4 5 Trouble shooting Probl
12. the adjusting screw counter clockwise until the document is tightly clamped between the intake roller and the sepa rating belt This is fundamen tally necessary before all ad justment operations in order to initially release the tension on the spring system of the document isolation DATAWIN GmbH OMR 300S User Manual 5 6 DATAWIN Data Capturing Solutions Now turn the screw carefully in clockwise direction until the document can be moved easily without much friction but still without play Then to check the setting attempt to push two sheets of paper between the intake roller and the separating belt Strong resistance must be noticeable The document isolation is then set correctly The error often occurs that the interval between the roller and the belt is set too narrowly 5 3 1 Cleaning the separating belt To clean the separating belt saturate a lint free cleaning cloth lightly with spirits of wine and press the cloth against the outer surface of the belt By manually turning the double transport rollers you can simultaneously turn the belt until it is cleaned When you are working with spirits of wine be sure that there are no burning objects cigarettes or similar in the environment of the working place DATAWIN GmbH OMR 300S User Manual 5 7 DATAWIN Data Capturing Solutions 5 4 Replacing ink cartridges in the printer The printer is located in the lower transport path next to
13. the curved baffle plate Remove the guide plate by pulling it straight towards the front out of its holder DATAWIN GmbH OMR 300S User Manual 5 8 DATAWIN Data Capturing Solutions A clip locks the installed ink cartridge in place in the printer Tilt the clip backwards and lift out the cartridge towards the top Place the new cartridge in the printer and tilt the clip forwards again Cartridge locked Remount the guide plate To do so set the pins back into their sockets and press the guide plate down again until it rests into place and lies flat The printer is again ready for operation DATAWIN GmbH OMR 300S User Manual 5 9 DATAWIN Data Capturing Solutions 5 5 General information on cleaning the OMR 300S DATAWIN document readers are designed for ease of maintenance Very few maintenance and service operations are necessary and these can be carried out to a great extent without tools It is only hypothetically possible to specify cleaning cycles since soiling and also wear and tear of the individual components of the reader depend largely on the operating and ambient conditions of usage such as dust contents humidity and flow of the ambient air abrasive properties of the document materials and printing general degree of soiling of the documents daily volume of documents processed weight of the documents Cleaning cycles may be established based on empirical valu
14. their turning draw off the first sheet of paper from the stack of documents and lead it into the feed in slot and then on to the intake roller The separating belt lying below the intake roller moves slowly and contrary to the direction of the document it brakes additional sheets if they are also drawn in and restrains them The interval between the separating belt and the intake roller is adjustable Normally the interval must only be corrected if the automatic intake unit does not function satisfactorily due to the thickness of the documents being processed Before you adjust the separating belt because of unreliable drawing in of the documents first check the interval between the belt and the roller Open the scanner cover First of all clean the feed rollers the intake roller and the separating belt see section 5 3 1 with a cloth that is lightly saturated with spirits of wine and then test the intake behavior Only in the event that you do not notice an improvement take the following steps With lowered stack feed insert a document between the intake roller and the sepa rating belt Move the sheet of paper back and forth It should be possible to move it easily and smoothly without rubbing and it should be free of play If the result is not satisfactory you must adjust the separating belt accordingly As tool you will need a hexagon socket screw key 2 5 mm First of all close the docu ment isolation by turning
15. DATAWIN Data Capturing Solutions 4 2 Loading the stack of documents After the reader has been turned on and the last document processed the document intake tray runs down to the lowest position so that documents can be inserted You can also run the stacker tray upwards or downwards alternately by pressing the tray button Take a properly aligned stack of documents approx 100 sheets and place it in the intake tray so that it is flush at the back and at the left sides of the housing 18 l Intake tray button a al DATAWIN GmbH OMR 3008S User Manual 4 5 DATAWIN Data Capturing Solutions 4 3 Starting the read process Start the read process from the PC The stack of documents will automatically be raised to the proper intake height and the first document will be drawn in Since the documents are drawn in from the top please do not insert more documents while the read process is in progress After the last document the read process will terminate autonomously and the intake tray will be run down to the bottom position 4 3 1 Display of the operating status The following table shows the standard displays LED Significance blinking steady burning Power on At the end of initialization approx 5 sec after pressing the mains switch off steady burning Ready After insertion of documents and enabling by the tray button steady burning steady burning Document
16. DATAWIN GmbH OMR 300S User Manual 6 6 DATAWIN Data Capturing Solutions 6 3 2 Scanning window Mark field document design lt Spacer frame not visible Theoretical scanning range lt Clock track DATAWIN GmbH OMR 300S User Manual Dimensions A min 1 0 mm B 1 0 mm C min 0 5mm Marks and readable print on documents are recognized in the theoretical scanning range shown on the left If no specific scanning procedures are used to mask black print scan mode window definition it is recommended that no readable inscriptions and graphics be applied in the area of the dis played spacer frame The spacer frame is dimensioned in such a manner that minor de viations in document design cut and transport are compensated 6 DATAWIN Data Capturing Solutions 6 3 3 Bar codes labels and imprints Dimension Designation Comment s sketch Distance to 35 Distance of last bar code module to document end document edge White margin Area before the first and after the last bar code module that must be white or in blind print Distance to lower Distance of the bar code module to edge of the doc the lower edge of the document OMR 300S The area of the clock marks must always remain free C Distance between Only for double bar code option 2 bar code tracks Greater distances on request Please note the distance requested by the customer is set in the factory and cann
17. WIN Data Capturing Solutions Save the entire original packing for later transportation and shipping of the mark reader and the sorting stacker Devices that are sent back to suppliers for maintenance or repair work are always returned in their original boxes possibly at cost of the sender 1 2 1 Scope of the delivery Check to make sure that the delivery is complete All accessories required for the connection and operation of the OMR 3008S are included in the delivery mains cable data cable tools CD ROM with installation software and manual If something is missing or if damages occurred during transportation please contact your supplier DATAWIN GmbH OMR 300S User Manual 1 3 DATAWIN Data Capturing Solutions 1 3 1 3 1 1 3 2 Device related safety information Conformity The OMR 300S reader conforms to the CE standards and guidelines for data processing devices design according to VDE 0805 5 90 interference suppression according to VDE 0871 B It can be operated continuously under normal room conditions Precautionary measures for transportation storage and installation Please observe the following points regarding the transportation and installation of the reader Transportation and storage Transportation of the reader should only be effected in the original packing It protects against shocks and inadmissible strains on the mechanical parts Please take the ambient conditions
18. WIN Data catoninn solutions OMR 300S Optical Mark Reader with Stack Feed and Sorting Stacker User Manual DATAWIN Data Capturing Solutions Publisher DATAWIN GmbH Etzstrasse 37 D 84030 Ergolding Tel 49 0 871 43 05 99 0 Fax 49 0 871 43 05 99 29 E mail service datawin de Web http www datawin de Printed in Germany Subject to alteration Windows is a registered trademark of the Microsoft Corporation Copyright DATAWIN GmbH All rights reserved This manual is the intellectual property of DATAWIN GmbH Unauthorized use duplication or distribution is prohibited Any reproduction of the contents of this manual in whole or in part without written permission of DATAWIN GmbH is forbidden Edition October 2006 1 2 DATAWIN GmbH OMR 300S User Manual DATAWIN Data Capturing Solutions Table of Contents o_o N SS SS SHS S Ce w www NN a N M N MD NNNNN NNNNN oR Wh 2 2 6 3 1 3 2 3 2 1 3 2 2 3 3 3 4 3 9 3 6 3 6 1 3 6 2 3 3 7 1 3 2 DATAWIN GmbH BEE OCICS ON cerren ernst soe tone eaters eo eee vee vente ce se tiex vo aes seen taeenceiceneeeeeseen 1 1 About this MANUAL cccceccecceeeteeeeeeteeeeseeeeeeneceneteeeeueteeesueteeseneteeeseetenetseeeaetes 1 1 Typographical notes ccccccscccseeceeeceeeceeeeceeecececececseeseuesaueseeesegsenseeseeenseeneeess 1 1 Information about unpacking the Mark readel
19. agir aap duii an aE ET SE EE AEREE 4 3 Marking errors ccccceecceeeceeeceeceeeceeeseecaeeseesceeeseeeseeeseeeceeecseeeseecaescaeseaeenensnass 4 3 Reliable marking INStrUMent ccccsscccseccsececseecceeeceueeceeecsueecseeeceeessueeneeesaes 4 4 Loading TNE STACK of GOCUMEMIIS visi ocaincowsccetsncsssgandenascetacetachsoteseeaebseenesietmeeteiacy 4 5 Starting the read PrOCESS cccccseccccsseeceeeecceseeceeceeseeeeseeeseeeseusesseeeeseeeessneeeas 4 6 OMR 300S User Manual 3 DATAWIN Data Capturing Solutions 4 3 1 4 4 4 4 1 4 4 2 4 5 5 5 1 9 2 5 2 1 D22 5 2 3 5 2 4 5 3 5 3 1 5 4 9 9 5 5 1 9 9 2 9 9 3 9 9 4 6 6 1 6 2 6 2 1 6 2 2 6 2 3 6 2 4 6 3 6 3 1 6 3 2 6 3 3 6 3 4 DATAWIN GmbH Display of the Operating StatUS cccccceecceeeceeeeeeeeeeeeeeeseeeeeeeeeeeeaeenseeneeeneeenes 4 6 Eliminaung document VEINS ssis nE 4 7 Opening and closing the scanner COVES cccccceeececeeeeecseeeesseeeeeseeeeeseeeeesaaees 4 7 Removing documents ccccccsecceceeeeceeeeeeceeeseeceeeseeseeeseeseeeseeseeeaeeseeeaeeseeeaeeeas 4 8 TOUDE SNO UNO eaea E E E E A 4 9 Setting adjusting and cleaning the reade ccccceeeeeeeeeeeeeeeeeeeeeeeenees 5 1 Setting the bar Code read NEad cccccccssecceseeceneececeeeeeesececeeeeeeteneetsneeseees 5 1 Adjusting the OMR read N ad cccccccccssececeeeeeceeeesseeeseeeeeseeseeseeseseeeeseeeeees 5 2
20. cuments guarantee optimum read accuracy with the greatest possible marking tolerance Documents that are printed or cut askew cause the distance of the clock marks and or of the marking area to be incorrect with respect to the document edge or the clock mark and the marking area to run slantwise or crookedly across the entire document A lateral adjustment error of the OMR read head is present when marks on the document even quite solid marks that do not fill out the entire width on the marking area are not scanned at all or are only scanned in an inaccurate manner It is also typical that marks are recognized although they are actually too short or are situated clearly off center in the marking area By correspondingly adjusting the read head in the document reader it is possible to compensate the deviation within a certain tolerance Basic setting standard document The mark scanning is set at the factory to correspond to a standard document For example for 40 track scanning with mark spacing of 1 5 the dimensions are as follows in mm C The dimensions A and H are decisive for the lateral setting of the OMR read head By setting the read head accordingly deviations of these dimensions can be offset to the extent of 1 to 3 mm You can find out what the scanning setting is by using the test program see the OMR 300S Technical Operating and Service Manual and the test routines implemented in the reader
21. e of the read window can be influenced to a great extent by means of the parameterization of the reader in the interface program As basic principle however the following applies a mark can be recognized only in the read window depicted above Therefore the better that the mark field is filled by the mark bar cross across the entire length the more accurately will this mark be recognized under unfavorable circumstances unsteady document transport documents cut or printed off straight And also the firmer the mark is the more accurately can the automatic interference masking select a mark and distinguish it from surrounding document dirt 6 2 3 Marking errors Several typical marking errors are displayed here X y T x l iG VAL y j Ke Continuous marks are not permissible A white interval of at least 1 mm must be maintained between the marks DATAWIN GmbH OMR 300S User Manual 6 3 DATAWIN Data Capturing Solutions 6 2 4 Reliable marking instruments The table below shows which marking instruments are best suited for the respectively utilized signal infrared red light Utilized Signal Infrared scanning Marking instrument Pencil HB Pencil H Pentel marker Staedler 318 Ball point pen black Ball point pen blue Ball point pen green Ball point pen red Endorsing ink violet Endorsing ink blue 4 O D pl Printing ink for preprinted marks e g docu
22. ems that may possibly arise are listed in the following table The measures described often help to eliminate the errors Recognition of the marks is becoming increasingly poorer Read errors Check if the scanner is dirty If necessary clean the covers protective glass covers of the read heads see section 5 5 3 Check if the lateral setting of the scanner is correct or if it possibly should be adjusted see section 5 2 Marks are partially not recognized Check if the edges of the documents are Straight Check if the transport rollers are dirty see section 5 5 1 especially at the beginning and or end of the document Marks are recognized at places where there are no marks especially at the beginning and or end of the document Check if the edges of the documents are Straight Check if the transport rollers are dirty see section 5 5 1 Document transport No documents are drawn in Open the scanner cover and check the transport path Remove any foreign objects without force Smooth out the document and flatten down dog ears if applicable Check if bar code labels are not properly glued or if they are turned up at the corners Check whether the application software is running Is the feed in command from the PC missing or was the data of a document previously read not called Turn the reader off and after about 3 sec turn it on again Start the PC again according to the software description
23. erating status Document intake tray Feed rollers Automatic document intake Hinged upper scanner cover Curved baffle plate Optional printer Sorting deflector 10 Adjustable document stoppers 11 Document output trays 12 Intake roller 13 Separating belt 14 Transport rollers 15 OMR read window 16 Barcode read window OOnNOOARWND This figure shows the OMR 300S reader with opened scanner cover DATAWIN GmbH OMR 300S User Manual 2 2 DATAWIN Data Capturing Solutions 2 2 Document processing from intake to output 2 2 1 Automatic document intake The documents are automatically taken from a stack on the document intake tray The topmost sheet is thereby pulled off A special intake system consisting of three feed rollers one intake roller and a reverse belt the so called separating belt assures the safe isolation of the documents The feed rollers and the intake roller are fitted with special silicone rings Fn m 2 a 5 The three feed rollers are positioned at a slight slant to the feed direction and they thus bring the top document into a position pressing against the back stopper You can set the interval between the separating belt and the intake roller according to the thickness of the documents in use The presence of documents in the intake tray is monitored by a light barrier When the reader starts operation the intake tray moves upwards and the light barrier is queried Only if at
24. es gathered in the course of regular optical checks and from the cycles of read errors that require maintenance operations For readers that are used in conditions that are not extremely inclement cleaning of the transport system should be effected after approximately 100 000 documents have been read Even for devices that are not in regular operation dust accumulates on the silicone rollers that is pressed and compacted during subsequent read processes and that then leads to smoothing and hardening of the surfaces Independent of the volume of documents processed you should therefore clean the transport rollers regularly at least once a month This routine cleaning requires about 5 minutes time no special tools are needed e Transport rollers and the read window are cleaned with common methylated spirits cotton swabs and a lint free cloth e Light barriers and transport slits should be blown out To do this you can use the following a compressed air can available at photo shops or a vacuum cleaner with a narrow nozzle or instead of these you can simply blow them out forcefully yourself e Housing surfaces and the surfaces traversed by the documents can best be cleaned with silicone free hard wax from an automotive supplier When you are working with spirits of wine be sure that there are no burning objects cigarettes or similar in the environment of the working place DATAWIN GmbH OMR 300S User Ma
25. et and the document output trays and also the installation of the OMR 3008S from connection to the PC up to conducting a test run Part 4 provides tips and information to facilitate faultless operation of the OMR 3005 Part 5 shows how you can increase the reading reliability by mechanical adjustments in the reader and by a simple cleaning procedure of the OMR 3008 Part 6 contains the DATAWIN OMR document specifications Typographical notes This symbol calls your attention to particular items that absolutely must be observed This symbol always appears before process sequences and it simultaneously indicates the chronological sequence DATAWIN GmbH OMR 300S User Manual 1 1 DATAWIN Data Capturing Solutions 1 2 Information about unpacking the mark reader The reader lies with its rear side towards the bottom inside the packaging The accessories are contained in a separate box Lift the cover along with the attached filling materials vertically out of the packaging Carefully tip the box to the side so that the reader stands on its adjustable feet Then grasp the reader by the two adjustable feet and pull it out of the box When carrying the reader as well it is best to grasp it only by the adjustable feet The device weighs about 20 kg Remove the two pieces of foamed material in the output trays of the reader DATAWIN GmbH OMR 300S User Manual 1 2 DATA
26. has been drawn in the data has not yet been called Steady burning Document ejection blinking blinking An output tray is full blinking until the stack has simultaneously been removed then Off with red LED blinking blinking Transportation fault document intake or ejection jam alternately or double document blinking until the fault has been with red LED eliminated then Off After elimination of the disturbance the reader is only ready again after the tray button has been pressed Itis possible that other operating modes or display statuses are parameterized by the application software In that case refer to the software description for information on the LED displays DATAWIN GmbH OMR 300S User Manual 4 6 DATAWIN Data Capturing Solutions 4 4 Eliminating document jams The faultless isolation of the documents and their correct feeding in is monitored by light barriers This prevents two documents from being drawn in at the same time In the document path as well the position of the documents is determined and monitored by light barriers If a document gets jammed in the paper pathway during transportation this is detected by the missing presence of the document at the corresponding light barrier and the read process is interrupted Reasons for document jamming may be e g very wrinkled glued together or soiled documents Always eliminate the disturbance by carefully removing the jammed document
27. ible to these You can read about how to insert or exchange the cartridges in section 5 4 Mains connection data The power supply of the OMR 300S is designed for the following voltage and frequency ranges e Power supply 230 V 50 Hz 0 6 A 115 V 60 Hz 1 2 A e Current consumption max 100 W with all options Normally no special provisions or settings of the voltage supply are required for the operation of the OMR 3008 However check whether the existing mains voltage actually corresponds to the values on the type plate of the reader DATAWIN GmbH OMR 300S User Manual 3 3 DATAWIN Data Capturing Solutions 3 5 Data interface The serial interface of the reader is executed as a 9 pin socket terminal strip The simplest connection is a three wire connection without hardware handshake Bridges on the side of the reader are not necessary The basic parameterization of the reader supports this operating mode Pin three wire assignment complete assignment DTR e 2 V are present after power on RTS 12 V are present after INIT DATAWIN GmbH OMR 300S User Manual 3 4 DATAWIN Data Capturing Solutions 3 6 3 6 1 3 6 2 PC connection Minimum requirements on the PC The minimum requirements on the PC can nowadays be fulfilled by every commercially available system If the test program OMR Test see the OMR 300S Technical Operating and Service Manual is to be installed a CD drive mus
28. ing adjustment criteria 3 2 1 Intake tray The two stoppers in the intake tray must lie flush against the stack of documents but they may not impede the document intake Place a stack of documents into the intake tray and loosen the two stoppers by means of the knurled screws adjust the stoppers to accommodate the size of the documents to be processed and then tighten them again e g for large documents 3 2 2 Output trays In the output trays the stoppers should be at an interval of about 1 to 2 cm from the documents The documents ejected must be able to fall freely onto the stack of documents Place a stack of documents into each of the output trays and set the respective document stopper accordingly DATAWIN GmbH OMR 300S User Manual 3 2 DATAWIN Data Capturing Solutions 3 3 3 4 In order to limit the extent of the ejection of the documents in the output trays push the respective black stoppers in the two output trays accordingly and set them so that here as well the documents only have a maximum play of 1 to 2 cm Tip These stoppers can only be pushed easily against frictional resistance if you grasp them as far as possible near the top Inserting ink cartridges in the optional printer lf your OMR 300S is equipped as an option with a printer you must insert an ink cartridge before initial operation Use ink cartridges from HP HP51604A or other cartridges compat
29. iple however the following applies a mark can be recognized only in the read window depicted above Therefore the better that the mark field is filled by the mark bar cross across the entire length the more accurately will this mark be recognized under unfavorable circumstances unsteady document transport documents cut or printed off straight And also the firmer the mark is the more accurately can the automatic interference masking select a mark and distinguish it from surrounding document dirt 4 1 1 3 Marking errors several typical marking errors are displayed here WAyK Hex Continuous marks are not permissible A white interval of at least 1 mm must be maintained between the marks DATAWIN GmbH OMR 300S User Manual 4 3 DATAWIN Data Capturing Solutions 4 1 1 4 Reliable marking instruments The table below shows which marking instruments are best suited for the respectively utilized signal infrared red light Utilized Signal Infrared scanning Marking instrument Pencil HB Pencil H Pentel marker Staedler 318 Ball point pen black Ball point pen blue Ball point pen green Ball point pen red Endorsing ink violet Endorsing ink blue 4 O gt D Printing ink for preprinted marks e g document type The clock mark is always scanned with infrared light independent of the signal utilized by the mark scanning DATAWIN GmbH OMR 300S User Manual 4 4
30. l surface Its dimensions are 630 x 340 x 300 L x W x H in mm the reader weighs 20 kg Vibrations at the work site should be avoided The permissible ambient temperature for operation of the reader is 10 C to 40 C 50 F to 104 F Therefore check to assure that the device is shielded against sources of heat such as direct sunlight radiators spotlights or other sources of light that produce heat Sunlight or foreign sources of light applied to the scanning unit under unfavorable circumstances may also have an influence on the read sensitivity The permissible relative humidity amounts to 40 60 condensation free It must be possible to lay all cables mains cable and data cable without buckling and without tensile stress Take care to identify stumbling pitfalls The OMR 300S corresponds to the requirements regarding interference emission and resistance to jamming ESD as specified by the CE guidelines In order to assure complete interference immunity shielded data cables with connector casings of metal or with metallic connector casings must be used Take care that the device is not operated in surroundings that are contaminated by dust or oil Air currents caused e g by windows that are continually left open by passageways or ventilators may lead to the increased production of dust and this in turn may necessitate shorter maintenance and cleaning intervals The work site must afford sufficient space for the handling
31. least one document is present in the intake tray is the document transport started If the intake tray is empty it moves down to the bottom again A second light barrier is responsible for double document DATAWIN GmbH OMR 300S User Manual 2 3 DATAWIN Data Capturing Solutions 2 2 2 2 2 3 detection After the last document has been processed the read process Is stopped and the intake tray moves down to the bottom again Document transport path The documents that are drawn in individually are moved across a number of transport rollers whereby they successively pass the read stations The transport speed amounis to up to 1 2 m s the read rate lies at a max of 6 000 DIN A4 documents nhr In order to monitor the positions of the individual documents the entire transport path is equipped with light barriers The figure below shows the transport path of the documents in the OMR 3008S Read stations Depending upon the requirements of the application the OMR 300S can be equipped with up to two optical mark and bar code read heads for the front and back sides of the document To protect against dirt the read stations are covered by protective glass EER The optical mark read heads read window depending upon the requirements for usage can be designed with infrared or with red light The readers achieve a mark density of 40 tracks 1 5 interval or 48 tracks 1 6 interval DATAWIN GmbH OMR 300S User
32. ment type The clock track is always scanned with infrared light independent of the signal utilized by the mark scanning DATAWIN GmbH OMR 300S User Manual DATAWIN Data Capturing Solutions 6 3 DATAWIN OMR document specifications Version 040615 6 3 1 Standard document Standard document 12 16 tracks spacing 1 4 All dimensions in mm norm A 6 35 B nxA a B A C 6 35 lt gt c D 5 0 Standard document 40 tracks spacing 1 5 Standard document 16 18 tracks spacing 1 5 All dimensions in mm min norm max A 13 97 B 5 08 C 10 D 1 4 E 1 5 F 3 0 G 10 H 7 62 5 08 DATAWIN GmbH OMR 300S User Manual 6 5 DATAWIN Data Capturing Solutions Standard document 48 tracks spacing 1 6 All dimensions in mm min norm max A 11 43 B 4 23 C 10 D 1 4 E 1 5 F 3 0 G 10 H 8 89 3 81 1 Can be smaller for special coding techniques according to the manufacturer 2 DATAWIN mark readers permit a scanning shift of 1 3 mm However the dimensions A and H must then deviate in the same direction and by the same values Document quality Mechanical properties as per DIN 6723 6724 Optical features OCR quality as per DIN 66223 PCS value for clock marks gt 60 Document format length in transport direction gt width Type of Min document Max document Paper weight g m reader mm mm As per DIN 19307 OMR 300S 110 x 50 305 x 230 80 140
33. n eee E TERA n pees eae i Read track 2 a a A T pp E pep E E ii pt mei Bf pcp A RA 4 Mark field print on the document Shadow mask of the mark scanning Read track 1 IE eee ee nnn ee O OE oe OOE OE E OE OE EGE OE OE O eee a ams Scan window theoretical Clock mark print on the document Transportation direction ra Edge of the document The mark field identifies the position of the marking on the document Where the scan window is positioned within the mark field is determined by the grid size of the scanning established by the reader here 1 5 distance from one read track to the next read track the width of the clock mark document design and the size and form of the scan mask shadow mask DATAWIN GmbH OMR 300S User Manual 6 2 DATAWIN Data Capturing Solutions 6 2 2 Correct marks A shadow mask with a diameter of 1 mm is used in the OMR 3008 This insures the exact separation of the individual tracks and at the same time it enables the acquisition of marking crosses Moreover because of the scanning that strongly emphasizes the middle section miscut documents off center marks and marks that protrude are compensated for by means of generous tolerances However for this it is prerequisite that the entire mark field is utilized for the marks E PEEEEELEE ERE R PEE ea N IXI NELIJS cee mel we xe OYRee OF iXIf lLixe Dow meleuee yRex Bl Both the position and the siz
34. nal Scanning infrared light 950 nm red light 635 nm Color no Value Comment Value Comment o Oo orange A still good still good very good A e078 2 very good eza 2 very good e082 2 vergo an2 2 very good e308 Co good r very good l O oO 00 N 3 3 2 2 2 still good 2 e e e j still good very good A l blue 44 useless good o useless brown shade 18482 2 very good 24 useless 1 g m brown shade 18482 2 very good 40 useless 2 g m The blind color violet classified under red light as dubious should be avoided if possible or only used after consultation with the manufacturer e e still good l d d d d d d e still good NO violet dubious 79 29 12 08 04 05 81 32 93 07 30 24 31 51 52 52 630 624 638 651 DATAWIN GmbH OMR 300S User Manual 6 9
35. ng the read functions Upon completion of the installation steps the reader is ready for operation and you can test the reading of the marked documents see section 4 Check thereby if the reader operates faultlessly and if all the functions are executed in accordance with the intended practical usage Conduct the test only with documents that you will actually use in practical operation In this regard also note the document specifications contained in chapter 6 The special test program OMR Test is also at your disposal for certain tests and functional settings of the reader The method of operation of this test program is described in the OMR 300S Technical Operating and Service Manual 3 9 De installing the reader De install the read software on the PC if it is present Run down the operating system of the PC and turn the PC off Turn off the reader Loosen and unplug the connectors of the data cable at the PC and at the reader Unplug the connectors of the reader mains supply cable DATAWIN GmbH OMR 300S User Manual 3 6 DATAWIN Data Capturing Solutions 4 Operation of the reader 4 1 This chapter provides you with tips and information to assure faultless operation of the OMR 3008 Requirements placed on the documents to be scanned Good read results are of course dependent upon the quality of the documents used in the data acquisition process In particular a few minimum requirements must theref
36. nual 5 10 DATAWIN Data Capturing Solutions 5 5 1 5 5 2 Cleaning the transport rollers Turn the reader off and open the scanner cover Using a cotton swab that has been saturated with spirits of wine it may be strongly saturated clean the silicone rollers Change swabs as soon as they become soiled When you are working with spirits of wine be sure that there are no burning objects cigarettes or similar in the environment of the working place When cleaning the intake roller and the pair of ejection rollers please take care to assure that the cotton swab is not pulled in between the pressure roller and the silicone rollers Cleaning the light barriers In general the light barriers are not very susceptible to soiling However in case you are using documents that are particularly affected by dust and produce rubbed off particles it may happen that such particles collect and they may unfortunately be deposited right in front of a light barrier Turn the reader off and open the scanner cover Clean the light barrier windows using a sturdy brush compressed air or a vacuum cleaner or simply a forceful breath of air 5 5 3 Cleaning the OMR and the bar code read heads Turn the reader off and open the scanner cover Rub the read windows clean using a lint free cloth that has been saturated with spirits of wine Take care to assure that all residues of correction fluids and glues have definitely
37. of the documents DATAWIN GmbH OMR 300S User Manual 1 5 DATAWIN Data Capturing Solutions 2 The OMR 300S optical mark reader 2 1 This chapter provides information about the most important system components their designations and arrangement and describes the basic mode of operation The uniform designation employed here in the description of the individual components of the reader will simplify understanding of the reading process of the operation of the device and of the maintenance work Functional components The OMR 300S is an optical mark document reader with stack feed and two sorting stacker trays It was designed as a high capacity desk reader with the greatest possible operating ease for efficient data input As options the device can be equipped with e a second OMR read head for the simultaneous reading of the front and back sides of a document e a two line bar code read head adjustable across the entire width of the document e an ink jet printer HP ink jet printer e a multiple line display for user guidance The reader operates with a CPU of the latest generation that guarantees high reliability and speed for the data input directly from the document into the computer The two following figures show the components of the reader that are most important for operation DATAWIN GmbH OMR 300S User Manual 2 1 DATAWIN Data Capturing Solutions Button for the document intake tray Display of the op
38. ore be taken into consideration Prerequisite for the accurate scanning of the marks that are on the document is the straight and unimpaired document transportation through the reader s scanning unit Please take care to observe the following points with regard to the surface condition of documents that are to be scanned l Do not place any wrinkled rolled or folded documents in the reader Smooth out if necessary any creases or dog ears beforehand Correction fluids of all types are not permissible lf however correction fluid was applied to a document be sure that the fluid has dried completely Otherwise there is danger that impurities will enter the transport mechanism and the scanning unit and this can lead to inaccuracy in the reading process Improperly attached bar code labels may also cause disturbances in the transport mechanism and document jams Check on this and assure that especially the edges of the labels are attached properly and firmly Take great care to assure the proper settings of the document stoppers in the intake tray and in the output trays see section 3 2 on this DATAWIN GmbH OMR 300S User Manual 4 1 DATAWIN Data Capturing Solutions 4 1 1 Marking prescriptions and recommendations 4 1 1 1 The mark field n E drag er AE E E A EE A See es ee E E T tonsa Read track 2 i Ee wii gt ious Yip ej ppp ml i rr elt gp mui Spl ero lu il rp Su 4 Mark field print on the document Shado
39. ot be changed During the scanning of the bar code by the document reader the bar code read head must be able to scan the whole bar code in at least one diagonal Therefore it is best in any case to print the bar code as high as possible in order e g to be able to compensate gluing inaccuracies ee a ae To e e ee a i E ____ il i ii il a amp E i i TEE ee RHE i ii Ha H E E Ei EET i bil E iE EEE i Tr i ii a Eoi E HH tt EI pini i a a Cea Th eet Shae ee i j I F En E I I lt gt HEINER O E SMa m E H EH i EE E Is i i i mE E B ARH i iii T E tite iHi ii S BEK ECAI iat i i z b E pe i bal ii N H El i bit i i Ew I i ii if F Ii E i EERE T i b H HETI FULE iF i ii f E H hihi i i i EE ii Em x TES 1 i Pit i i a EEr i ET i Re i Eig EET il Mr I in ii E EEH EE E l ii l if i li a H eh i Ei i i pi T E E E amp i Ti i3 i i i i a a seas ii i i ii H ah i i P i i i amp TER taj ail IEI li a amp E E E i i T pi i nee i i A a pt ii E a W EEEE i f I i Ii a i E E a i Ibi Il E E N meee T I iff i i z aon amp E amp T L DATAWIN GmbH OMR 300S User Manual 6 8 DATAWIN Data Capturing Solutions 6 3 4 Permissible document colors for red light and infrared light scanning Measurements with blind colors of the ink manufacturer Zeller amp Gmelin specification corresponds to the blind color unwanted sig
40. s concerning OMR marks 0 ccseeeeee 6 2 TAE VVC IE ee aa a E EE EEE REEERE E EETA 6 2 OTST e E E EER 6 3 MAKINO CCN ONG cererea E EAE EEE EE EE EA 6 3 Reliable Marking WAS GUM CUS ses ecceseecsasnseensacsencsueteencsacensenertessetaumsanesstieeesees 6 4 DATAWIN OMR document specifications ccccccccceeeeceeeeeeeeceeeeseeeseeeeseeeeaes 6 5 Standard document sscecstscenstucnseucstecsectidndedsisdacadsadewncntesstessteapasedcededstadsasdowssntante 6 5 Scanning WIG OW saeoececcmocsaciencaeaeceasaaeasqece ainiaan EA Eien 6 7 Bar codes labels and IMPTrints ccccsscccseeccescccseeceececcueeceueeceeeceueeseeesseeesaes 6 8 Permissible document colors for red light and infrared light scanning 6 9 OMR 300S User Manual 4 DATAWIN Data Capturing Solutions 1 Introduction 1 1 About this manual This manual is intended for users who are entrusted with the setting up installation and operation of the OMR 300S optical mark reader OMR Optical Mark Recognition 1 1 1 Part 1 provides information about unpacking and storing the device and device related safety information connection to the mains source and authorization as well as the requirements on the operating environment Part 2 informs you about the most important functional components their designations and arrangement as well as the main mode of operation Part 3 describes the assembly of the adjustable fe
41. t be connected Connecting the reader and the PC Run down the operating system of the PC and turn the PC off Insert the mains plug into the connector of the reader and then the mains cable plug into a mains socket Connect the interface cable to an unoccupied RS232 connector of the PC and tighten the data plug with the respective screws Connect the data cable to the connecting socket of the reader and tighten the plug here as well Turn on the reader by means of the mains switch Turn on the PC and run up the operating system DATAWIN GmbH OMR 300S User Manual 3 5 DATAWIN Data Capturing Solutions 3 7 3 7 1 3 7 2 Software The control of the reader is effected by means of device specific interface firmware and via the connected PC by means of read software designed according to the user application Interface firmware The communication between the OMR 300S and the PC is controlled via the interface firmware consisting of e the standard interface and e the interpreter interface How to read out and set the interface parameters is described in separate manuals Read software The read program itself defines the processing of the marks and bar codes that are read out on the PC This program is always adapted specifically to the respective application of the OMR 3008S How to install this software on your PC and how to work with it is described in a separate manual 3 8 Testi
42. ument StOPPelS ccccsseecceeeceeeecececeueecseeeceeseeeessaeesseeens 3 2 DETAR UY E EE E E E E E E E 3 2 Dae S EE T E TT EEE EE E VAE E E E 3 2 Inserting ink cartridges in the optional printer cccccccseceeeeeeseeeeeeeeeeseeees 3 3 Mains Connec aie 2 kat oa atin han ee ean an ee een eran nec E 3 3 Ae WM CT ACO ss upset anc a E T E tne beats EEN 3 4 FF COMMIS CHOU persica cenesastsantaesstenanneaaaiaaionsamndaenacaastiotan vegantyannnaastypeuiensiea noose temmiensatneasceas 3 5 Minimum requirements on the PC cccccsecccseecceeeceeeeceeeceeeeceueceusesseessusensees 3 5 Connecting the reader and the PC ccccccecccceeeceeeeeeeeeteneetaeeseeeteneeseneeseees 3 5 SONN NS presets sec eee ae ee pee eee a 3 6 Interface firmware cc cccccecceeccecceeececceeecececeecaeecuecuecuesuecaueceesaeeseeseeeseesaeeseesaeesas 3 6 BCO ROLLA UE 3 6 Testing the read functions apis teeta seeneee ck cuetneceeeabeenancameen onpeeenosaoseuasceueecenencuaene 3 6 De instaling Mersad sires nccdsincieseewssisoescosnese nese eahvececuncesnegeeece sabe sarodncedsestserexebers 3 6 Operation of the reader vi ccgaasiacsccetcece saan cmmeccneqate dente seeevacquce canteuacteceoeec gaan 4 1 Requirements placed on the documents to be SCANNEC ccceeceeeeeeeeeeeees 4 1 Marking prescriptions ANd reCOMMENALtIONS ccccceeeeeceeeeeeeeeeeeeeneeeeseeeenes 4 2 WG TAC eee a E E E E 4 2 Correct MAKS csscisjaisssirgeisiid
43. w mask of the mark scanning Eee eee een e OE oeo OE E E OE GE OE EOE eO eae OE Meo E OE E E E ee ee a e sae Read window theoretical Clock mark print on the document Transportation direction gx Edge of the document The mark field identifies the position of the marking on the document The position of the read window within the mark field is determined by the grid size of the scanning established by the reader here 1 5 distance from one read track to the next read track the width of the clock mark document design and the size and form of the scan mask shadow mask DATAWIN GmbH OMR 300S User Manual 4 2 DATAWIN Data Capturing Solutions 4 1 1 2 Correct marks A shadow mask with a diameter of 1 mm is used in the OMR 3008 This insures the exact separation of the individual tracks and at the same time it enables the acquisition of marking crosses Moreover because of the scanning that strongly emphasizes the middle section miscut documents off center marks and marks that protrude are compensated for by means of generous tolerances However for this it is prerequisite that the entire mark field is utilized for the marks EGER GEREN See N xiVecigas hou mem ewe oO YR Ot iX fetcixe Doe melexveyRex Bl Both the position and the size of the read window can be influenced to a great extent by means of the parameterization of the reader in the interface program As basic princ
44. ze 1 300 mm These tools are included in the scope of delivery of the OMR 3008 5 1 Setting the bar code read head To achieve proper recognition of the bar code the bar code read head must pass over the code to be read the middle of the code as far as this is possible while the document is being transported You can easily check the setting of the bar code read head and if necessary correct it Open the scanner cover Place one of the bar code documents to be processed on the scanning unit in such a manner that the edge on which the clock mark is located lies flush along the reference line of the base plate This reference line identifies the guiding line for the edge of the document during the read process There is an opening located next to the window of the bar code read head the adjusting screw for the read head is behind this opening if map FL t Eee EREE EREEREER i si a e a M a M M Reagon socket M screw abd T C s SS SS SSeS E ee 8 Brey Loe S Bid3ZNOX BUBSNN IIIZ BUH rit mand Clock mark s 3 k wes x 8 Insert the hexagon socket screw key into the bore hole and by turning the key position the bar code read head above the middle of the bar code that is printed or glued onto the document DATAWIN GmbH OMR 300S User Manual 5 1 DATAWIN Data Capturing Solutions 5 2 Adjusting the OMR read head 5 2 1 Only faultlessly printed and cut do
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