Gerber GS750 User Manual

2 GS750plusConvenienceGS750plushas many features that make it easy and convenient touse:! Accepts any standard Gerber materials in 30-inch (762mm)wide

Introduction 3If you require assistance installing or operating the GS750plusplotter, contact your distributor or GSP Field Service Departmentat 800-8

4 GS750plusConventions The following conventions are used in this manual:Note: A note contains important information which could affectsuccessful comp

5PACKAGE CONTENTSThis section lists the contents of the GS750plusshippingcontainer. As you unpack the GS750plusplotter, inspect all itemsfor damage th

6 GS750plusBOX 3: Paper50 yds. (45 meters) 20 pound paper for drawing and pouncingBOX 4: Vinyl10 yds. (9 meters) High Performance black vinyl

7INSTALLATIONPlease unpack the plotter boxes and inventory the contentsbefore you begin to assemble the plotter. Follow theseinstructions to install t

8 GS750plus

Installation 95. Insert a screw, with a washer, into each of the holes at eachside of the plotter stand base.6. Verify that the alignment between the

10 GS750plusMount the Material1. First insert the material core end plugs (hubs) into the materialrolls. To mount a roll of material on a roll support

Installation 11Note: If a plotter is already installed in the PLOTTER port on theGRAPHIX ADVANTAGE, use the TABLET port to install a secondplotter.Com

12 GS750plusPower Cords1. Insert the female connector of the GS750plusplotter powercord into the socket on the rear panel of the plotter.2. Connect th

13SET UPAfter connecting the plotter to the GRAPHIX ADVANTAGE orother sign design system, use the GSP Setup program inGRAPHIX ADVANTAGE to make the GS

14 GS750plus5. Click on the port to which the plotter is connected (COM1,COM2, COM3, or COM4) in the Ports box.6. Click on ADD. GS750plusappears in th

Setup 15Delete PlottersTo remove plotters from the system:1. In the Ready for Plotting box, click on the name of the plotterto be deleted.2. Click on

17MATERIALS AND TOOLSMaterialsThe GS750plususes the same plotting materials as all Gerberplotters. Gerber vinyl products in high performance orinterme

18 GS750plus2. Center the carriage spindle preferably by using the slew keys(see "Front Panel" section) or manually, with certainprecautions

Materials and Tools 19To feed and align material1. Feed material under the black cam shaft and over the rubberdrum the holes in the material over the

20 GS750plusHELPFUL HINTS! When you change materials, open the bail arms and roll thematerial back onto the roll. Tape the ends securely to preventthe

Materials and Tools 21Tool Force DialThe tool force dial on the front of the housing indicates the toolforce setting and the amount of tool force or p

COPYRIGHT NOTICECOPYRIGHT 1995 Gerber Scientific Products, Inc. All Rights Reserved.This document may not be reproduced by any means, in whole or in p

22 GS750plus! For drawing, start with a tool force setting between .5 and 1. Ifyour pen does not make a clear dark line, you may wish toincrease the t

23TOOLS AND TOOL HANDLINGStorageFor easy access, the pen holder, knife holders, and pounce wheelholder may be removed from the Dial Head tool kit and

24 GS750plusPen Holder and PensThe pen holder shipped with a black pen installed. After loadingthe plotting paper, install the pen holder in the carri

Tools and Tool Handling 25PEN REPLACEMENTSpare pens in blue and red are included in the tool kit. Additionalpens are available through a Gerber distri

26 GS750plus5. Push down on the upper end of the pen until the point justtouches the table surface.6. Use the Allen wrench to tighten the set screw ne

Tools and Tool Handling 27OFF-CENTER HOLESThe second keyway holds the tool at 11 degrees off-center to thedirection of tool travel. Using the pounce w

28 GS750plusand 6. Adjust, if necessary, for paper thickness or desiredhole size. Reduce plotter speed if pouncing small holes.POUNCE WHEEL REPLACEMEN

Tools and Tool Handling 29Knife Holder and BladesGerber blades are extremely wear-resistant. In testing, over10,000 one-inch letters were cut using a

30 GS750plusKNIFE HOLDER INSTALLATIONThe GS750pluscomes two different types of knife holder:! Swivel Knife - Used to cut all but the thickest material

Tools and Tool Handling 31Suggested Tool Force SettingsMaterial Recommended Starting Tool Force Tangential Knife Blade GS Plotter Swivel Knife Contr

32 GS750plusBLADE REPLACEMENTFive carbide knife blades are included with the GS750plus:! one installed in the tangential knife holder! two tangential

Tools and Tool Handling 33To adjust the tangential bladeThe knife blade holder assembly includes a small metal platecalled a shoe, which acts as a cut

34 GS750plus2. Turn the eccentric nut by hand, or use a small wrench, toexpose more or less of the knife tip.Note: Do NOT use a micrometer or calipers

Tools and Tool Handling 35To test the swivel knife for proper depth1. Using a scrap piece of vinyl, trace a cutline by hand with thetool you have adju

37OPERATIONPower UpWhen the GS750plusis turned on, the following sequence occurs:1. A short beep sounds, the Power light comes on, and the RUNCONT, RU

38 GS750plusFront PanelThe GS750plusfront panel keys shown below are used to performall of the following operations:! Position the carriage and materi

Operation 39SLEW KEYSUse the left and right slew keys to unroll material before plotting,to position the tool for plotting, and to position the carria

40 GS750plusSWIVEL KNIFE KEYPress the SWIVEL KNIFE key to select knife mode:! When the swivel knife mode is selected, the light over theSWIVEL KNIFE k

Operation 41RUN SINGLE KEYPlotUse RUN SINGLE to plot a single job. This plot mode allows theoperator to reposition material between jobs and/or to pen

FCC NOTICEThis equipment has been tested and found to comply with the limits for a Class Adigital device, pursuant to Part 15 of the FCC rules. These

42 GS750plusSingle Plot Exercise1. Turn on the GS750plus. Load plotting paper, test the penmanually, install the pen holder, and set the tool force to

Operation 43Controlled StopUse RUN CONT (or RUN SINGLE) to pause plotting and checkthe current job.To stop a continuous mode plotPress either RUN key.

44 GS750plusRESET KEYUse the RESET key to stop plotter operation in case ofemergency, to clear error signals, and to access SpecialDiagnostics.To caus

45SPECIAL DIAGNOSTICSIn addition to the self-check tests that are part of the power-upsequence, the GS750plusplotter can perform other specialdiagnost

46 GS750plusDiagnostic OptionsThe following diagnostics are available:! RS-232 Loop Back – Press the up arrow key to access. Useto check internal work

Special Diagnostics 47WAGON WHEEL TEST PLOTTo plot the Wagon Wheel test plot1. Load plotting paper and install the pen holder.2. Press left arrow key

48 GS750plusSQUARE/CIRCLE TEST PLOTTo plot the Square/Circle test plot1. Load vinyl and install the knife holder.2. Press SLOW key to access diagnosti

49ERROR CONDITIONSThe GS750plusis programmed to detect severalmechanical/electrical error conditions at power-up or duringoperation. When an error con

50 GS750plusERROR CODESThe error code numbers and suggested operator responses arelisted below. Error code numbers are also listed on the UserReferenc

51MAINTENANCEThis section includes instructions for routine cleaning andlubrication, fuse replacement, and adjustments to keep the GS750plusplotter in

52 GS750plusCARRIAGE AND BALL BUSHING1. Use a lint-free cloth and alcohol to clean dust or debris fromthe front way, drive shaft, cam shaft and theta

Maintenance 53SPROCKETS AND BAIL ARMS1. Inspect the teeth of the drum sprockets for adhesive buildupfrom the use of vinyl films.2. Use a small stiff b

54 GS750plusFuse ReplacementTwo spare fuses are included with the GS750plusPlotter. Thefuse holder is located between the on/off switch and the powerc

55PLOTTER ADJUSTMENTSThe section contains a troubleshooting guide to help identifypossible error conditions according to the symptoms displayedand the

56 GS750plusLEFT COVER1. Remove the plotter cover from the left side of the plotter(opposite the front panel end) by removing the two Phillipshead scr

Plotter Adjustments 57Troubleshooting GuideThis chart of symptoms is designed to help identify the possibleproblem and the probable adjustment procedu

58 GS750plusZ Axis (Tool Height) AdjustmentSYMPTOMS! The tool does not touch the material or touches only betweencharacters.! The knife does not cut d

Plotter Adjustments 595. Turn on the plotter.6. Rotate the cam shaft by hand until the lift fork reaches itshighest point.7. Tighten the pulley clamp.

60 GS750plus11. Reinstall the cover.12. Load paper in the plotter. Run a multiple line test plot.13. Turn off power at the plotter.14. Power-up the pl

Plotter Adjustments 61Theta Axis (Tool Rotation) AdjustmentSYMPTOMS! Letters have jagged edges.! Letters have closure problems of less than 1/32"

TABLE OF CONTENTSINTRODUCTION... 1 Descript

62 GS750plus3. Locate the theta motor collar clamp, which is directly behindthe theta motor. Rotate the rear way to find the screw in themotor collar

Plotter Adjustments 635. After the spindle initializes, note the position of the slot orkeyway in the side of the tool holder. Face the front of thepl

64 GS750plus10. When the blade is correctly adjusted, power up the plotterwhile holding the RESET key. Load paper and install penholder.11. Press the

Plotter Adjustments 65X Axis Backlash AdjustmentSYMPTOMSText cut in AXIS SWAP mode has closure problems.OBJECTIVETo adjust the tension of the X axis g

66 GS750plus6. Locate the X axis gear and the X motor pinion which aredirectly behind the X motor. These two gears are meshedtogether. Gently push bac

Plotter Adjustments 677. If the X motor pinion remains stationary (i.e., if there isbacklash), locate the X motor mounting screws (Phillips headscrews

68 GS750plusY Axis Backlash AdjustmentSYMPTOMSText cut in AXIS SWAP mode has closure problems.OBJECTIVETo adjust the mesh of the jack shaft gear with

Plotter Adjustments 696. Locate the jackshaft gear and the Y motor pinion. These twogears are meshed together. Gently attempt to rotate thejackshaft g

70 GS750plus11. Replace the cover.12. Load vinyl in the plotter, install the knife holder and cut a testplot.13. If symptoms persist, return to step 1

GS750plusPLOTTER USER REFERENCE CARDKEY/FUNCTION DESCRIPTIONSWIVEL KNIFE KeyPress the SWIVEL KNIFE key to select knife mode. When the swivel knifemode

Plotter Speed... 27 Pounce Wheel Holder Installation...

GS750plusPLOTTERERRORCODESERRORCODEDESCRIPTION OPERATOR RESPONSE1 Program checksum failure Try power up again.2 RAM memory failure Try power up again.

75INDEXAArrow keys ... 41 BBail arms... 55 Beep...

76 Indexassign default ...15 deleting... 15 installation...

77P57348A Rev A

1INTRODUCTIONDescriptionThe GS 750plus is a state of the art 30-inch (762mm) wideplotter designed for use with the GRAPHIX ADVANTAGEsystem and other