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V12 User Guide - The Imaging Systems Group Inc.

1. itt ono atrio dan RR ep re Gel popa a le pe pa snn red na pa Fed pa 29 Tools releases 29 Opening the plotter nsn 29 Removing the top cover U ian 29 Opening the back panel 29 Removing the side panels 1 30 Opening the bottom panel sees entente nennen nennen nennen 30 Replacing the display board Cra ente eret ri e ld 30 Replacing the thermal printhead sene enn 30 Adjusting the printhead re I rero ea iere prae eb Ee 31 Replacing the printhead data cable 2 1 31 Replacing the drive belt ii 31 the diete 32 Replacing the stepper motor 2 4 32 Replacing the platen roller and bearings 22 32 Measuring and adjusting 5 V power supply 32 Replacing the 5 V power supply i 33 Replacing the Top of Form TOF sensor 33 Adjusting the top of form 2
2. 2 34 Replacing the rear cooling fan 2 35 Replacing the bottom cooling fan 2 35 Measuring and adjusting 24 Volt power supply voltage 35 Replacing the 24 Volt power supply ie 36 Replacing the main board it lara 36 R placing the capaCitor Lolli 36 Adjusting the latch pins lella ao 37 Replacing the power switCh ie 37 Replacing the AC receptacle i 37 Replacing the fUS _ u n 38 FIGURES u zu L aaa 39 Figure 7 1 Opening the plotter lid U 39 Figure 2 Back panels a nm S au late lea 40 Figure 7 3 Back panel Open ollare bias 41 FIgUre 7 4 BONOMI VIBW lario 41 Figure 7 5 Interior side SChOWS placa 42 Figure 7 6 Contro panel siria 43 Figure 7 7 Display DO iii aaa 43 Figure 7 8 Right side display board removed u a 44 Figure 7 9 Printhead spring eR RE ERI ocala Soe De 45 Figure 7 10 Removing the printhead rr ipt b rete 45 Figure zT T Printhead paletto 46 Figure 7 12 Left side panel removed ocu ceteris indo seta condere perenni 46 Figure 7 13 GOATS ANO Dell ei reo aler
3. Table 5 1 shows the plotter status signals 25 WOY pod 1osuss Joye 8 121524245 2142 peed pe ululid L 4 4 o1nje1a duia L l8 013u020 jddng A S JOON arya indu reg UON eeg eeg apered 14 8 Kjddns A FC 10 LL Figure 5 1 Functional block diagram 26 MAINTENANCE AND REPAIR NOTE Do not attempt to repair or modify any component of the V12 while it is under warranty If a component fails it may be replaced free of charge in accordance with the warranty procedures in this manual Attempting unauthorized repairs or modifications will void the warranty WARNING There are voltage hazards inherent in the printhead power supply and AC input wiring Take reasonable precautions to avoid electrical shock Never service any electrical component of the V12 while the power cord is connected Severe electrical shock may result CAUTION Take care not to discharge static into the plotter This may cause damage to integrated circuits or other electronic components Dissipate static by touching a grounded source or wearing a static dissipating wrist strap before using tools on the plotter or touching internal components This symbol indicates an area of possible concern due to static discharge into the circuitry When you see this symbol in the manual please observe proper static p
4. 76 Burning smell during plot or blooming present on output 76 Plot is skewed 222 1 77 RACK MOUNT ADDENDULNMNI ic Cont dita nein ce eR d tain oT 77 94 SPECIFICATIONS itte seeded tio dos Fito at ti 78 realize 78 aiar 78 9 2 INSTALLATION 78 Installing ud 78 Installing the plotter on the 2 80 Changing the interface line 80 Media installation hero P RE onde aaa 80 9 3 MAINTENANCE AND REPAIR 80 Removing the plotter from the rack 22220211 80 Removing the side panels 81 Opening the back panel eee eb reri RR RUN 81 Accessing the bottom of the plotter 222 81 Cleaning theair ilaele 81 Replacing the display ALLA aaa 82 Replacing the ii 82 Other repair procedures eter tette C p iaia 82 10 0 DRIVER INSTAEEATION ottiene RP o da tiv tutem 83 CENTRONICS INTERFACE uo a at Rs 92 HARDWARE dte tiit te titia idt du Dee aa To on qaa a aqa e
5. Locate the ribbon cable on the upper left of the board as viewed from the front of the plotter 3 Unplug the cable from its port and plug it into the desired line port as shown in Figure 3 4 Locate the jumper to the left of the ports Move the jumper to the desired position as shown in Figure 3 2 matching it to the cable position selection S or L Shortline or Longline 5 Close the back panel and replace the screws CAUTION Do not attempt to plot or form feed without the print medium installed This may damage the print head and will void the warranty 13 3 4 MEDIA INSTALLATION Installing rolled paper The V12 plotter is shipped with a sample roll of thermal sensitive paper To install rolled paper 1 Release the lid assembly by grasping underneath the black latch bar and pulling it upwards Figure 7 1 Open the plotter lid by lifting it straight upwards 2 Remove the fan fold guide by grasping the two stainless steel rails and lifting it straight upwards 3 Place the spindle hubs onto each end of the roll of media with the 11 65 spacer on the left hand side spindle 4 Orient the roll so that the paper feeds off of the top of the roll 5 Place the roll in the plotter so that the pins on the spindle hubs snap into the slots on the spindle blocks 6 Guide the paper over the blue platen roller and under the black cutter bar as shown in Figure 3 3 7 Figure 3 4 shows roll paper installed When installing any media ensure
6. power supply test plot Adjust replace if necessary YES NOEFFECT CalliSys Doesthe plotter plot Check interface NOEFFECT Replace m ain from the host cable board NOEFFECT NOTES 1 Disconnectthe printhead power cable before taking further action Only test the printhead when paper is installed Replace datainterface ribbon cable to bulkhead NOEFFECT Call iSys After each action rectangle test the change Figure 8 2 Troubleshooting flow chart 70 8 2 PROBLEMS Error message displayed NO MEDIA Possible causes Plotter has no paper or film Lid is not securely closed Latch pins need adjustment TOF Media out sensor board defective Solutions 1 Check the paper supply Install more paper if necessary as described in Chapter 3 Installation 2 Check that the paper is installed correctly and the plotter lid is securely closed The top of the lid should be flush with the top of the side panels 3 If the lid does not close securely or if the head pressure is too low this may cause a media out error Adjust the latch pins as described in Chapter 6 Maintenance and Repair 4 Replace TOF Media out sensor board Error message displayed _HOT _ Cause The thermal printhead is overheated When the printhead temperature reaches 60 C the plotter stops plotting and asserts a busy signal to the host Plotting resumes when the head temperature has cooled to 45 C which will prevent printhead damage caused by ov
7. 3 22 Input Bit 3 INO3 23 Input Bit 4 IN04 5 24 Input Bit 5 INOS 6 25 Input Bit 6 IN06 7 26 InputBit 7 INO7 8 27 Input Bit 8 MSB INOS 9 28 clear CLEAR 10 29 Parallel Input clock PICLK Il 30 Ready READY 12 31 Print PRINT 13 Not Connected NC 14 33 simultan eousPlat Print SPP 15 34 Remote Reset RESET 16 35 Remote Form Feed 17 6 Remote End of Transmit REOTR 18 37 Remote Line Terminate RLTER 19 37 No Paper NOPAP 32 37 Online ONLIN
8. Out Sensor Board and Capacitor Clamp Bolt Sensor board mounting screws Top ofForm Media Out Sensor Board Capacitor Terminal Screws 54 Figure 7 23 Main board 4 Nyloc nuts 55 Figure 7 24 Bottom cooling fan tr d i 1 1 io 1 1 DAF Yu pet i i 1 if M Modi Mod 47 4 Nyloc nuts 56 7 25 Bottom cooling fan connections Data bulkhead 57 Figure 7 27 Rear view AC receptacle AC receptacle 58 Figure 7 28 Main board connections r 5 volt power Thermistor 24 volt shutdown TOF Media out 24 volt power Stepper motor 59 Figure 7 29 Interior and underside of lid assembly k Four 24 volt power supply bracket mounting screws 60 Figure 7 30 24V power supply AC terminals left side Load black Neutral white Ground green 61 Figure 7 31 24V power supply output studs right side F 24 volt adjustment potentiometer 24 volt shutdown connection Negative stud Positive stud black wire yellow wire 62 Figure 7 32 24V power supply mounting plate Four 24 volt power supply mounting screws 63 Figure 7 33 Printhead connections Head power cable Head data cable 64 65 mee 7 35 Optional equipment 8 75 Media 7 16 spindles input tray Fan fold quide 1 spindles and spacer 12 media input tray
9. brackets Tighten the screws CAUTION Make sure the tray stop brackets are secured over the tray channel brackets These brackets prevent the plotter from falling out of the rack if the front thumbscrews are loose 1 If necessary adjust the thumbscrew brackets Figure 9 1 so that the thumbscrews can be tightened into them 2 Tighten the thumbscrews into the brackets Changing the interface line setting 1 Loosen the two thumbscrews on the front of the plotter 2 Pull the drawer tray forward to access the back panel 3 You may wish to remove the plotter from the rack for easier access If you do not wish to remove it proceed to step 5 Detach the AC cable and the data cable from the back of the plotter 4 Loosen the tray stop bracket screws see Figure 9 3 and move the brackets inwards 5 Remove the two washered screws from the top left and top right of the back panel shown in Figure 9 3 The back panel hinges down Media installation Loosen the thumbscrews and pull the plotter forward Install media The fan fold paper tray must be installed on the back of the plotter when using fan fold paper 9 3 MAINTENANCE AND REPAIR See Chapters 6 through 8 for maintenance repair and troubleshooting procedures Procedures that differ significantly from the desktop V12 are listed below Removing the plotter from the rack 1 Loosen the two thumbscrews on the front of the plotter 2 Pull the drawer tray forward 3 Detach the AC
10. increase the setting testing plot output after each change CAUTION Thermal plotting technology involves high temperatures Incorrect media or contrast settings can damage the printhead or other components and void the warranty Media damage can also occur 76 Plot is skewed or unreadable t Cause The scan width setting is incorrect Solution Adjust the SCANWDTH setting on the control panel as described in Chapter 4 to match with the scan width of the data from the host RACK MOUNT ADDENDUM The rack mount version of the V12R Plotter is identical to the desktop V12 in terms of operation theory of operation and troubleshooting There are differences pertaining to e Physical specifications Power switch location AC receptacle type and fuse receptacle Installing the plotter on the rack Air filler maintenance Access procedures for maintenance and repair This section addresses these differences The rack mount V12 is shipped with an adjustable 8 75 11 654 or 12 inch fan fold feeder tray NOTE All notes cautions and warnings that apply to the V12 also apply to the rack mount version Please review the entire manual thoroughly before operation CAUTION Make sure the thumbscrews are secured in the rack before operation This is particularly important in mobile situations Damage to the plotter or rack components could result if the plotter becomes unstable 77 9 1 SPECIFICATIONS PHYSICAL Dimensions Heigh
11. m 8 75 in roll paper Fan fold paper guide Figure 3 1 V12 components 12 3 2 MOUNTING AND POSITIONING Keep the V12 plotter away from direct heat sources including sunlight Do not block the vents on the bottom or at the back of the plotter The V12 is equipped with rubber feet for absorbing shock in typical situations Optional vibration absorbing mounts are available for rugged environments or mobile situations 3 3 INTERFACE SETUP Plug the power cord into a grounded AC outlet only Avoid sharing an outlet that is also powering other noise generating equipment The V12 can be set as either short line TTL transistor to transistor logic or long line differential logic interface The plotter is shipped with the Versatec interface set for long line unless otherwise specified The short line interface can be used for data cable lengths up to 50 feet The long line interface can be used for data cable lengths up to 700 feet For Centronics interface installation see Appendix A A SCSI small computer system interface is also available Please contact your Imaging Systems Group customer service representative for further information Changing the interface line setting Interface selectable jumper am SHORT LINE CONNECTOR TTL C LONGLINE CONNECTOR DIFFERENTIAL Back panel Figure 3 2 Main board interface connections 1 Open the back panel as described in Procedures in Chapter 6 Maintenance and Repair 2
12. panel settings Cause Plotter is in ONLINE mode Solution Press the ON OFFLINE button Plot output speed is erratic Cause Plotter speed is set too high This is most likely to occur on the 4 0 inch per second speed setting Lowering the plot speed enables the plotter to match a lower rate of incoming data and produces a more steady output Solution Lower the plot speed setting on the control panel as described in Chapter 4 Form feed does not stop at top of form marks Cause The top of form sensor is not sensing the marks Solution Adjust the top of form sensor potentiometer as described in Chapter 6 Maintenance and Repair 75 Form feed stops before desired length Cause form feed length is too short The form feed stops when sensing the top of form mark Solution Adjust the FFLENGTH setting on the control panel as described in Chapter 4 The Top of Form TOF sensor is correctly detecting the TOF marks and stopping the form feed function at the point where the plotting will start after the perforation Do not adjust Burning smell during plot or blooming present on output Figure 8 7 Blooming plot Cause The Media or contrast setting is incorrect The thermal printhead operating temperature is too high and is burning the media Solution Change the media or contrast settings on the control panel as described in Chapter 4 If unsure of the media specifications start at the LT PAPER setting and then
13. that the coated side of the media is on top V12 Rev 2 0 2000 Figure 3 3 Roll paper path 14 Figure 3 4 Roll paper installed 15 Installing fan fold paper 1 Release the lid assembly by grasping underneath the black latch bar and pulling it upwards figure 7 1 Open the plotter lid by lifting it straight upwards 2 Place the fan fold guide on the spindle blocks orienting it so that it slopes towards the front of the plotter See Figure 3 5 3 Slide the width bracket on the fan fold guide to fit the paper you are using See Figure 3 6 Rearfan fold bar Front fan fold bar Width bracket Figure 3 6 Fan fold feeder tray 4 Feed the fan fold paper through the slot in the back of the plotter located between the lid and the top of the rear panel 5 Guide the paper under the rear fan fold bar and over the top of the front fan fold bar 6 Guide the paper over the blue platten roller and under the black cutter bar as shown in Figures 3 7 and 3 8 CAUTION Before plotting or testing on any print medium make sure that the media setting is correct Incorrect settings may result in damage to the printhead and will void the warranty The media may also be damaged See Chapter 4 Operation for menu setting instructions mM Figure 3 7 Fan fold paper path 16 4 x B NM TRES Figure 3 8 Fan fold paper installed Installing and using film To inst
14. 4 Blotchy or faded plot Cia This problem originates from inconsistent printhead pressure across the platen roller during plotting Possible causes Lid is not securely closed Latch pins need adjustment Dented Roller Solutions 1 Check that the paper is installed correctly and the plotter lid is securely closed The top of the lid should be flush with the top of the side panels 2 If the plot is fading on one side press down on that side of the lid while the plotter is plotting If this results in improved quality the latch pin needs to be adjusted on that side See Adjusting the latch pins in Chapter 6 Maintenance and Repair Plot contrast is weak Possible causes Lid is not securely closed Latch pins need adjustment Media setting is incorrect Contrast setting is too low 24 V power supply is malfunctioning Solutions 1 Check that the paper is installed correctly and the plotter lid is securely closed The top of the lid should be flush with the top of the side panels 2 If the lid does not close securely or if the head pressure is too low adjust the latch pins as described in Chapter 6 Maintenance and Repair 3 Check that the media setting is correct See Chapter 4 Operation 4 Adjust the contrast setting as described in Chapter 4 Operation 5 Check the voltage on the 24 V power supply refer to Chapter 6 Maintenance and Repair 6 Check all connections to the power supply Test the voltage again If the volt
15. 66 Figure 7 36 Head mounting screws n P get Head mounting screws access holes 67 Figure 7 37 Head adjustment screws Left head adjustment screw Right head adjustment screw 68 TROUBLESHOOTING 8 1 INTRODUCTION This chapter provides a list of problems that may be encountered with the V12 and gives possible causes and solutions for these problems To use this chapter examine the troubleshooting flow chart or locate the problem from the list Follow the steps in order referring to Chapter 6 Maintenance and Repair where necessary Figures are shown in Chapter 7 69 Plotter doesnotwork 1 Doesthe plotter move Is there a display Does the plotter move paper paper Isthere a line Check 24V power supply Adjust Doesplotter plot plotted orreplace ifnecessary NO EFFECT Check belt and gears Check24 power supply Adjust Secureorreplace if necessary or replace if necessary NOEFFECT Disconnect liie Replace main board Check connections from display power cable panel tomain board NOEFFECT NOEFFECT Check belt and g ears Secure orreplace ifnecessary Replace printhead Replace display board NOEFFECT NOEFFECT NOEFFECT Replace main board Replace pon ea data Replace main board NOEFFECT NOEFFECT Call iSys NO EFFECT Replace stepper Replace ribbon cable from motor display board to main logic NO EFFECT Call i Sys NOEFFECT Call iSys Does the plotter create a Check 5
16. Allow the alcohol to evaporate completely before using the plotter 6 3 REPAIR PROCEDURES Please refer to Chapter 8 Troubleshooting before attempting any repair procedure Tools A selection of tools is necessary to perform most of the maintenance and repairs on the V12 These tools include but may not be limited to Phillips screwdrivers 1 2 Flat screwdriver 0 Allen keys 5 32 inches Hex socket drivers 5 16 inches 11 32 inches 3 8 inches Needle nose pliers Small wire cutters Digital multi meter Potentiometer trimmer tool Opening the plotter lid 1 Release the lid assembly by grasping underneath the black latch bar and pulling it upwards Figure 7 1 Open the plotter lid by lifting it straight upwards Note the lid does not fully open to 0 90 Removing the top cover Remove the four philips pan head screws located behind the head assembly and on the rear support plate Opening the back panel 1 Remove the two 6 32 x 2 Phillips pan head screws and washers from the top left and top right of the back panel as shown in Figure 7 2 The back panel hinges down Figure 7 3 29 Removing the side panels 1 On the bottom of the plotter remove the two side 6 32 x 3 8 screws and washers from the appropriate side figure 7 4 2 Open the plotter lid Remove the two interior side panel 6 32 x 3 8 screws from the appropriate side as shown in Figure 7 5 3 Remove the side panel NOTE For the right sid
17. Aq 189 559226 0 ui 9 AIT9 TER ul ui I dn suas Jo i 58844 2Ua JO d F9 08 TENTER uoizejn apo Ww 44 3591195 22125 Table 4 2 Control panel settings and organization 24 THEORY OF OPERATION 5 1 INTRODUCTION The V12 plotter uses thermal technology to convert data from the host computer into plotted output Host data enters the plotter s main logic circuitry via the data port and passes through the interface circuitry Parallel data enters the data buffer on the main logic board Control and status signals enter the main logic board at the same time as the parallel data The microcontroller converts the data from parallel to serial and proceeds to send the serial data to the printhead One horizontal line scan consisting of a single row of dots is plotted The stepper motor advances the paper for the next scan The cycle repeats until the plotted or printed image is finished Figure 5 1 illustrates the main plotter functions 5 2 PLOTTER FUNCTIONS AND FEATURES Power supply The thermal printhead stepper motor and cooling fans are powered by a 24 Volt 17 Amp DG power supply The power supply features an auto switchable input which adapts to different voltage or frequency inputs for example 110 Volts AC at 60 Hertz or 220 Volts AC at 50 Hz The logic circuitry of the plotter including the thermal printhead is powered by an auto switchable 5 volt DC output supply
18. M2 7 Once the settings have been saved the display will read either IDLE M1 or IDLE M2 depending on which menu the changes were made in 19 Test mode The TESTMODE function allows the user make a test plot see Figure 7 34 Approximately four inches of plot are produced in a pattern consisting of a 50 grey scale small and large checkerboard pattern and two 1 2 bands of all black It will also display the plotters firmware revision and strobe count This enables the user to see that the plotter is creating an image feeding the paper correctly and that contrast levels and media settings are acceptable as well as testing the print function To change from the default TESTMODE setting of INACTIVE press the up button in the TEST MODE sub menu to display PLOT TST Then press the ONLINE button to execute the test Contrast The CONTRAST function adjusts the density of the output plots the default setting is C1 C1 and increment settings C1 through C10 are relative values Determination of plot quality and the need to increase or decrease contrast is determined after a test plot is output If the output is extremely dark very faint or irregular first check that the media setting is correct see Media section of this chapter If the contrast needs to be adjusted change the contrast setting by pressing the up button while in the CONTRAST sub menu Starting at the lowest value adjust the contrast level one value at a time te
19. The Imaging Systems Group Inc WWW isys group com V12 ser Guide The Imaging Systems Group Inc Copyright 2010 m m i asa 003 COPYRIGHT NOTICE This document is copyrighted by The Imaging Systems Group 2010 No part of this publication may be reproduced transmitted transcribed or stored in a retrieval system of any kind without prior written permission of The Imaging Systems Group TRADEMARKS Centronics is a U S registered trademark of Centronics Data Computer Corporation Versatec is a registered trademark of Versatec Corporation DISCLAIMER The Imaging Systems Group makes no warranties as to the accuracy validity or fitness for use of the contents of this manual The Imaging Systems Group reserves the right to revise the information in this manual at any time without notice ATTENTION The V12 plotter generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications It has been designed to comply with the requirements for Class A computing devices pursuant to Sub part J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at their own exp
20. WDTH settings can be 216 bytes 216 bytes no margin 264 bytes 264 bytes no margin or 296 bytes Since 296 bytes is the maximum width of the plot media no margin is placed For more details on SCANWDTH and using remote line terminate RLTER commands see Interface timing and signals in Chapter 5 Theory of Operation 22 Vertical resolution The VERT RES function adjusts the vertical resolution of the plot along the media length The default setting is 203 scans per inch spi which is equal to 203 dots per inch dpi Note that the horizontal resolution is determined by the printhead dot density which is 203 dpi Change the vertical resolution setting using the up or down buttons in the VERT RES sub menu The V12 plotter can emulate the 200 dpi vertical resolution setting to match the rastered host data for Imperial units The emulation is approximate within 0 04 TOF display descriptions TOF sens enables the top of form sensor to use fan fold paper with I marks up to 18 apart PTOF ena programmable advance past top of form enable allows custom length media to be used Advance past TOF mark detection allows flexibility in lining up a variety of fan fold media with TOF marks in non standard positions 23 I i NMOO 198 002 55914 anjea a AI I EU 18250 up p 10197181 1951 AH S M1 ul 3NI TN O Bursseid
21. age is still inadequate measure voltage directly from the power supply If necessary replace the power supply as described in Chapter 6 Maintenance and Repair 73 Plot has black vertical lines di Di n Cause One or more bits in each byte going to the plotter is stuck high possibly due to a faulty cable Solution Run a test plot If the lines are not present the problem originates with the host data If the lines are still present the interface cable is faulty and must be replaced See Chapter 3 for interface setup instructions Figure 8 6 Plot with black vertical lines Plot is wrong length If you suspect that a plot is the wrong length plot a job of a known length and measure it Possible causes Paper is not moving freely Scaling is incorrectly applied Vertical emulation is incorrectly applied Solutions 1 Check the paper feed path Ensure that the paper is installed correctly and that the paper feed path is not obstructed 2 Adjust or reset the scaling setting as described in Chapter 4 Operation 3 Determine if your data requires a specific vertical emulation and adjust the vertical resolution setting appropriately See Vertical resolution in Chapter 4 Operation 74 Paper is wrinkling or tearing along one edge Possible causes Paper feed is misaligned Paper is incorrectly installed Lid is not securely closed Latch pins need adjustment Solutions 1 Ensu
22. all rolled film 1 Release the lid assembly by grasping underneath the black latch bar and pulling it upwards Figure 7 1 Open the plotter lid by lifting it straight upwards 2 Remove the fan fold guide by grasping the two stainless steel rails and lifting it straight upwards 3 Place the spindle hubs onto each end of the roll of media with the 11 65 spacer on the left hand side spindle 4 Orient the roll so that the film feeds off of the top of the roll 5 Place the roll in the plotter so that the pins on the spindle hubs snap into the slots on the spindle blocks 6 Guide the film over the blue platen roller and under the black cutter bar shown in Figure 3 3 7 Figure 3 4 shows rolled media installed When installing any media ensure that the coated side of the media is on top NOTE The cutter bar does not cut film Use a knife or scissors Installing the fan fold feeder tray Install the optional fan fold feeder tray by sliding the bracket holes over the bolts on the back of the plotter 17 OPERATION 4 1 POWER SUPPLY PRECAUTIONS Turn the plotter power switch OFF before doing any of the following 1 Unplugging the plotter 2 Cleaning the printhead 3 Opening the plotter for maintenance or service 4 Placing hands or tools near any internal parts WARNING There are voltage hazards inherent in the printhead power supply and AC input wiring Take reasonable precautions to avoid electrical shock CAUTION Take ca
23. and does not wander from side to side when the gears are turned Replacing the stepper motor 1 Remove the bottom panel as described in this chapter 2 Remove the left side panel as described in this chapter 3 Open the rear panel to gain access to the main logic board as described in this chapter Disconnect the stepper motor cable from its header on the main board See Figure 7 14 4 Remove the stepper motor cable from the two p straps shown in Figure 7 14 5 Remove the drive belt and gears as described in this chapter 6 Remove the three motor assembly mounting screws Figure 7 12 Remove the motor assembly 7 Remove the four screws securing the motor plate to the motor Figure 7 15 Install replacement motor re using screws 8 Replace the motor and reverse steps to reassemble Note the position of the motor as shown in Figure 7 16 Replacing the platen roller and bearings 1 Remove the left side panel as described in this chapter 2 Remove the drive belt and roller gear as described in this chapter You do not need to remove the motor gear 3 Remove the two bearing screws shown in Figure 7 15 4 Pull the roller to the left so that the right bearing is unseated The wave washer on the right end of the roller shaft Figure 7 17 may come loose Retain for reinstallation 5 Remove the left bearing from the roller shaft 6 Remove the roller by pulling it upwards and out to the right Remove the right bearing from either the rol
24. cable and the data cable from the back of the plotter 4 Loosen the tray stop bracket screws see Figure 9 3 and move the brackets inwards 5 Slide the plotter out of the rack Reverse steps to reassemble 80 Removing the side panels For certain procedures the side panels may be removed without removing the plotter from the rack If in doubt remove the plotter from the rack first 1 Loosen the two thumbscrews on the front of the plotter 2 Pull the drawer tray forward 3 Remove the handle screws for the appropriate side Remove the handle 4 Open the plotter lid Remove the two interior side panel screws from the appropriate side 5 Remove the three bottom screws securing each side to the chassis 6 Slide the side panels upwards to remove Reverse steps to reassemble Opening the back panel 1 Loosen the two thumbscrews on the front of the plotter 2 Pull the drawer tray forward to access the back panel 3 You may wish to remove the plotter from the rack for easier access If you do not wish to remove it proceed to step 5 Detach the AC cable and the data cable from the back of the plotter 4 Loosen the tray stop bracket screws see Figure 9 3 and move the brackets inwards 5 Remove the two washered screws from the top left and top right of the back panel shown in Figure 9 3 The back panel hinges down Accessing the bottom of the plotter The plotter tray acts as the bottom panel of the plotter You do not have to r
25. d above Remove the three front panel screws Remove the front panel Remove the two display board screws Detach the 5 pin connector Replace the display board and reverse steps to reassemble Replacing the AC receptacle Remove the plotter from the rack as described in this addendum Remove the side panels as described in this addendum Disconnect the load wire black connector from the fuse Access the bottom of the plotter as described in this addendum Remove the ground wire nut shown in Figure 7 29 from the ground stud Remove the ground wires from the ground stud Remove the ground lug connector from the plotter tray Cut the cable ties for the wire harness leading from the AC receptacle to the power switch Remove the three P straps securing the harness to the plotter 10 Loosen the white AC receptacle wire by pulling it through to the receptacle 11 Hinge the chassis down on to the plotter tray 12 Remove the four AC receptacle screws shown in Figure 9 3 13 Remove the AC receptacle and associated wiring 14 Replace the AC receptacle and reverse steps to reassemble Other repair procedures Follow the instructions in Chapters 6 and 7 of this manual with the following substitutions e Remove the side panels as described in this addendum e Access the bottom of the plotter as described in this addendum The fuse is located above the AC receptacle rather than beside it Push twist and p
26. e fibers collect and compact on portions of the platen roller creating bumps The uneven surface of the roller may cause the printhead to contact the passing paper unevenly producing a blotchy or faded plot Clean the platen roller when it appears dirty or after approximately three rolls of paper or film have been plotted 1 Turn the plotter power off 2 Moisten do not soak a soft lint free cloth with 99 isopropyl alcohol Rub gently along the length of the roller turning the roller as necessary to remove paper fragments and dust 3 Allow the alcohol to evaporate completely before using the plotter In highly dusty or dirty environments further cleaning by use of compressed air to keep the plotter clean is recommended Always clean the head and platten roller with isopropyl alcohol after blowing dust out of the plotter 28 Cleaning the Top of Form Media out sensors After prolonged use especially in field use the plotters optical sensors will begin to become covered with fibers from the media passing above them as well as dust in the air This residue will reduce the effectiveness of the sensors Clean the sensors when every three rolls of paper or film is installed to retain the factory set sensitivity of the sensors 1 Turn the plotter power off 2 Moisten a Q tip with 99 isopropyl alcohol Wipe gently over the optical sensors making sure to get past the outer plastic protective case on the sensors when cleaning 3
27. e 92 ASCII TABLES dla 94 TOP OF FORM MARKS esset cis E E D uc ott ibas 95 INTERFACE CONNECTOR PIN ASSIGNMENT 96 INTRODUCTION GENERAL DESCRIPTION The Imaging Systems Group V12 Thermal Plotter is a high speed plotter suitable for office or field use Its small size and lightweight yet rugged construction allows it to be portable The V12 uses thermal plotting technology so it requires no chemicals or powdered ink It is efficiently designed with only two moving parts the platen roller and the motor Interface parameter settings and other menu functions can be accessed from either the front panel or the remote host It is capable of printing at four speeds 1 0 2 0 3 0 and 4 0 inches per second The V12 plots in both raster and character modes and contains a 96 ASCII character set It interfaces easily with Versatec and optionally Centronics or SCSI data sources 1 1 MEDIA DESCRIPTION The V12 uses roll or fan fold thermal paper and certain thermal film media Media width can be 12 inches 11 654 inches or 8 75 inches The V12 accommodates regular thermal paper papers with a protective top coating and thinner field grade thermal papers as well as certain types of film media Call your Imaging Systems Group customer service representative for media recommendations A fan fold paper guide is supplied with the plotter Figure 3 1 Optional feeder trays are available from The Imaging Systems Group which
28. e Pe mit ale eher e 47 Figure 7 14 Bottom view panels removed eese tete tne 47 Figure 7 15 Stepper molor removed clin 48 Figure 7 16 Stepper motor assembly n n 48 Figure 7 17 Right side of platen er aet na 49 Figure 7 18 5V power supply terminal block a aa 50 Figure Z 19 5V power SUDDIV i u lesa 51 Figure 7 20 Interior right side 52 Figure 7 21 Top of form sensor and media out eee 53 Figure 7 22 TOF Media Out Sensor Board and 54 Figure 7 23 Malt TOO ANG lies 55 Figure 7 24 Bottom cooling Talis sad ee ERR Rat Geo e e Ltd eb eux medo 56 7 25 Bottom cooling Tan ecd te RE eerte ree balia 57 Figure 7 26 Left side data bulkhead et iens 57 Figure 7 27 Rear view AC receptacle 58 Figure 7 28 Main board connections Ee ome ced rn ta Seats ccr dnt echa 59 Figure 7 29 Interior and underside of lid assembly eee 60 Figure 7 30 24V power supply AC terminals left 61 Figure 7 31 24V power supply output studs right side 62 Figure 7 32 24V power supply moun
29. e lid plate screw that secures the p strap on the data cable Figure 7 33 4 Remove the data cable by pulling the head connector through the chassis hole by side of the 24 volt power supply 5 Replace the data cable and reverse steps to reassemble Replacing the drive belt 1 Remove the left side panel as described in this chapter 2 Loosen the three motor assembly mounting screws shown in Figure 7 12 Slide the assembly fully forward to create slack on the drive belt 3 Roll the belt off of the top gear 4 Replace the belt and slide the motor assembly fully rearwards to tension belt and tighten the three motor assembly mounting screws 5 Ensure there is no more than 1 8 inch of play on the belt Ensure the belt is seated in the centre of the gears and does not wander from side to side when the gears are turned 6 Reinstall the left side panel 31 Replacing the gears 1 Remove the left side panel as described in this chapter 2 Remove the drive belt as described in this chapter 3 Loosen the two set screws on the gear to be replaced Figure 7 13 4 Replace the gear and belt and slide the motor assembly fully rearwards to tension belt Tighten the three motor assembly mounting screws NOTE When replacing the gear set screws ensure that one screw is seated on the flat side of the shaft 5 Ensure there is no more than 1 8 inch of play on the belt Ensure that the belt is seated in the centre of the gears
30. e panel disconnect the 5 pin control panel cable as shown in Figure 7 6 Note the cable orientation for reinstallation Opening the bottom panel 1 Remove the six bottom panel screws shown in Figure 7 4 2 The bottom plate hinges down Take care not to overstress the fan wires or chassis grounding wire Replacing the display board The display board is located underneath the control panel switch pad Switches are sealed in the switch pad and should they fail replacement of the switch pad will be necessary 1 Remove the right side panel as described in this chapter 2 Remove the two 4 40 x 1 4 display board screws as shown in Figure 7 7 3 Disconnect the two cables from the front and rear of the display board See Figure 7 8 4 Replace the display board and reverse steps to reassemble Replacing the thermal printhead 1 Open the plotter lid Disconnect the data and power cables from the back of the printhead see Figure 7 1 2 Remove the media pressure bar below the printhead 3 Using a probe or small screwdriver push the rear spring pin on the left side of the plotter lid until the head plate can be rotated downwards from the hole see Figure 7 9 Push in the front of the pin pull the left side of the head plate downwards until the plate is free of the left side arm 4 Remove the printhead by pulling to the left thereby disengaging the right head plate pins from the right side arm See Figure 7 10 5 Remove the pr
31. edia specifications start at the LT PAPER setting and then increase the setting to HV PAPER if necessary Change the media setting by pressing the up or down arrows in the MEDIA sub menu Select LT PAPER light paper HV PAPER heavy paper LT FILM light film or HV FILM heavy film Note that in FILM mode the print head s normal strobe time is raised to compensate for the thicker media which requires a slower plot speed see Speed section of this chapter Do not use film settings on any other media CAUTION Thermal plotting technology involves high temperatures Incorrect media or contrast settings can damage the printhead or other components and void the warranty Media damage can also occur Scaling The SCALING function stretches or scales the plot over a 36 inch length The default setting is NO SCALE To determine if scaling is needed plot a job of a known length and measure it Adjustments can be made to the scaling in increments of 1 64 inch Chanoe the scaling setting by pressing the up or down buttons in the SCALING sub menu The up button accesses positive stretch increments from 1 64 inch to 30 64 inch Beeper The BEEPER function changes the error sound properties The plotter beeps when an error condition is determined Error conditions result when the plotter is out of paper or when the printhead is too hot to operate These conditions display on the control panel as NO MEDIA or HOT_ The error status light be
32. emove the plotter from the tray for most repair and maintenance procedures Access the bottom of the plotter as follows 1 Remove the plotter from the rack as described in this addendum 2 Remove both side panels as described in this addendum 3 Detach the power switch connections 4 Detach the display board cable connections CAUTION To avoid damage to the plotter detach the power switch connections and cable connections before raising the plotter off the tray 5 Remove the six chassis screws 6 Tilt the plotter chassis upwards to 90 to access the bottom Reverse steps to reassemble Cleaning the air filter Clean the air filter regularly If you are operating the plotter in a dirty environment frequently check the filter for cleanliness A clogged filter will prevent the cooling fans from working effectively and could contribute to the plotter overheating 1 Remove the four phillips screws from the filter panel on the front of the plotter 2 Remove the air filter from the panel 3 Rinse the filter with clean water and squeeze out the excess Repeat as necessary Make sure the filter is dry before reinstalling 4 Replace the filter in the panel and attach the panel to the plotter 81 Replacing the display board G N Remove the side panels as described in this addendum Detach the power switch connections Detach the display board cable connections Remove the air filter panel as describe
33. ense will be required to take whatever measures may be required to correct the interference LIMITATION OF LIABILITY The Imaging Systems Group s total liability to the purchaser or to any third party for damages from any and all causes whatsoever regardless of the form of action whether in contract or in tort including negligence and any infringement of proprietary rights or any misappropriation or unlawful use of any proprietary rights or property of any third party shall in the aggregate be limited to purchase price actually paid by the purchaser for the product relating to the damages The limitation of liability provisions of this agreement reflect an informed voluntary allocation of the risks known and unknown that may exist in connection with the provisions of the goods and services provided hereunder by The Imaging Systems Group and that such voluntary risk allocation represents a fundamental part of the agreement reached between The Imaging Systems Group and the purchaser The Imaging Systems Group shall not be liable for any special direct or indirect incidental consequential exemplary punitive or any similar or other damages of any nature suffered by the purchaser whatsoever including without limitation loss of use or lack of availability of the purchaser facilities including its computer resources and any stored data loss of profits or revenue or other commercial loss or any claim for contribution or indemnity in respec
34. er scan send 1B 2A 72 01 08 01 0108 hex 264 decimal Other commands that can be sent to the V12 Centronics adapter 1B 41 Remote clear 1B 42 Remote line terminate 1B 43 Remote end of transmission 1B 44 Remote form feed 1B 45 Remote reset 16 50 lt of blanks BLANK LINES 0x01 to OxFF The V12 plotter also obeys standard control characters which must be sent when the plotter is in print mode 92 04 End of transmission 0A Line feed 0 Form feed NOTE Print mode on the V12 means that all bytes that are received by the plotter are interpreted as ASCII characters and printed at 148 characters per line 93 ASCII TABLES MSN Most significant nibble LSN Least significant nibble LSN ed t sias epe s sss pere psp a aspe x e pr Eee 3 Table B 2 ASCII control code character set TOP OF FORM MARKS Top of form TOF marks must be placed on the media according to the specifications on the diagram below If the TOF marks do not match the diagram below problems may occur sensing the marks Paper top coating this side Top of formmark underside 100 black _ Perforatededge of paper Figure C 1 Top of form mark placement 95 INTERFACE CONNECTOR PIN ASSIGNMENT Signal Pin Return Pin Signal Name Mnemonic 1 20 Input Bit 1 LSB INOI 2 21 input Bit 2 IN02
35. erheating Solution Do not intervene The plotter will resume plotting from where it left off with no loss of data when the printhead has cooled sufficiently Plotter does not plot Possible causes Lid is not securely closed Latch pins need adjustment Plot data is not reaching plotter Plotter circuitry is malfunctioning Solutions 1 Check that the paper is installed correctly and the plotter lid is securely closed The top of the lid should be flush with the top of the side panels 2 If the lid does not close securely or if the head pressure is too low adjust the latch pins as described in Chapter 6 Maintenance and Repair 3 Follow the flow chart to help identify the problem and take appropriate action 4 Replace the main logic board as described in Chapter 6 Maintenance and Repair 5 Replace the bulkhead data cable as described in Chapter 6 Maintenance and Repair 71 Plot has vertical white stripes Figure 8 3 Plot with vertical white stripes Possible causes The printhead is dirty Printhead nibs are damaged Solutions 1 Clean the printhead using a lint free cloth and 99 isopropyl alcohol as described in Chapter 6 Maintenance and Repair 2 The thermal printhead has one or more damaged nibs requiring replacement Replace the printhead as described in Chapter 6 Maintenance and Repair 72 Plot is blotchy or faded m E C ua a s A B ER ala m s 5 E HE Figure 8
36. he MENU button displays the name of the function for one second and then displays the current set value for that setting For example accessing the CONTRAST function results in a one second display of CONTRAST then a display of the current setting for that function such as C3 4 3 CONTROL PANEL FUNCTIONS AND SETTINGS Control panel settings are saved as presets for either USER M1 or USER M2 Presets are initially set to defaults for all menu functions See Table 4 2 for default settings and organization Changes to function settings are stored upon setting the plotter to ONLINE Changes are retained even while the main power is off To restore the default settings for both USER modes turn the power switch on while pressing down the MENU button Changing function settings 1 Put the plotter into OFFLINE mode by pressing the ON OFFLINE button 2 Access functions by pressing the MENU button SEL MODE is displayed briefly then USER 1 3 To make changes to the USER 1 settings proceed to step 5 4 To make changes to the USER M2 settings select by pressing the up button after SEL MODE is displayed USER M2 is now displayed and the USER M2 settings can be changed 5 Press the MENU button to scroll through the function menus When a change is desired in the function menu press the up or down arrow within that sub menu and leave display on desired setting 6 Press ONLINE ENTER to save the settings in the selected menus of USER M1 or USER
37. he factory setting or damage can result to the plotter interface host or all three The Rev 5 0 Centronics adapter card will allow reliable data transfers up to 40 feet using shielded cable It will also accept either of the two data transfer formats described below automatically without switches or jumpers 1 To place the V12 in raster mode the following 3 bytes hexadecimal must be sent to the Centronics adapter card 1B 2A 00 Once these 3 bytes are sent rastered plot data can be sent to the plotter at 216 264 or 296 bytes per scan The plotter byte per scan menu must be set on the front menu to match the input data bytes per scan Refer to Chapter 4 Operations for information on control panel settings Once the V12 Centronics card is set to raster mode it will remain in raster mode until the INIT line of the host Centronics port is pulsed or the plotter power is cycled This will return the plotter to print mode 2 Optionally a 6 byte hexadecimal header can be sent before each scan of rastered data This header allows variable bytes scan plotting The format of the 6 byte header consists of 1B 2A 72 XX YY 01 XX high byte of the number of bytes per scan YY low byte of the number of bytes per scan Example to send a plot that is rastered to 200 bytes per scan send the following 6 byte header before each and every scan of 200 bytes 1B 2A 72 00 C8 01 00C8 hex 200 decimal For a plot consisting of 264 bytes p
38. his chapter 2 Open the back panel as described in this chapter Disconnect all cables attached to the main logic board 3 Remove the six bottom panel screws shown in Figure 7 4 4 Detach the fork connectors of the bottom fan cable from the 24Volt power supply terminal block shown in Figure 7 27 Remove the ground connection on the bottom panel Remove the bottom panel assembly 5 Remove data ribbon cable from the back of the 24 Volt supply 6 Remove the four 24 Volt power supply bracket mounting screws located in the media area of the plotter Figure 7 29 7 While still in the chassis loosen the AC terminal screws on the 24 Volt supply Figure 7 30 Remove the AC connections from the power supply terminal block 8 Remove the two nuts off the power studs on the 24 Volt power supply Use a 3 8 hex socket driver to access these through the right side of the chassis See Figure 7 31 NOTE Note the cable placements for reinstallation If cables are installed incorrectly damage to the circuitry will occur 1 Remove the 24 Volt power supply from the chassis 2 Remove the four power supply mounting bracket screws shown in Figure 7 32 Retain for reinstallation 3 Replace the 24 Volt power supply and reverse steps to reassemble Replacing the main board 1 Open the back panel as described in this chapter 2 Disconnect all cables from their headers on the main logic board by grasping at the connectors and pulling straight upward
39. inthead from its plate by removing the six plate mounting screws shown in Figure 7 11 6 Replace the printhead and reverse steps to reassemble NOTE When replacing the printhead and plate ensure that the tension springs Shown in Figure 7 11 are securely seated in their holes in the lid 30 Adjusting the printhead This adjustment should only be required after head replacement and should not be done until after a sample plot has been created 1 Remove the top cover as described in this chapter 2 Loosen but do not remove the 6 screws located on the head plate These screws can be accessed through the holes in the top spring backing plate see Figure 7 11 3 Use a 5 32 Allen key to adjust the head alignment to the platten roller refer to Figure 7 37 Adjust only one side of the head at a time 4 Output a sample plot to check after each adjustment looking for the darkest and most consistent image across the thermal printhead 5 Repeat step 4 until the plotted image looks consistent from one end of the media to the other 6 Tighten the six M3x16 head screws 7 Install top lid cover Run an internal test plot to check final alignment Replacing the printhead data cable 1 Open the plotter lid Disconnect the data cable on the left from the back of the printhead Figure 7 33 2 Open the back panel as described in this chapter Disconnect the printhead connector from the main board as shown in Figure 7 28 3 Remove th
40. ion unless margins are defined in the host software If you are using paper with Top of Form TOF marks ensure that the form feed length is set to TOF sens or a distance equal to or greater than the distance between these marks The form feed will stop when it reaches the FORMFEED setting value or when it senses a top of form mark whichever comes first Change the form feed length settings by pressing the up or down buttons in the FFLENGTH sub menu Settings are 1 0 2 0 3 0 4 0 6 0 8 0 10 0 12 0 14 0 and 16 0 inches TOF sens PTOF ena see page 4 9 for TOF display descriptions Scan width The SCANWDTH function adjusts the scan width of the plot defined in bytes per line The default scan width is 216 right justified bytes per line Unless you are using RLTER remote line terminate commands the plotter scan width must be set to the same byte count as the rastered data from the host Setting the scan width higher than the byte count of the raster data does not create a wider plot Setting the scan width incorrectly results in skewed output as the data wraps and finishes the scan on the next line This condition is identifiable on the plot in Figure 8 8 Change the scan width settings by pressing the up or down arrows in the SCANWDTH sub menu The small arrow in the display to the right of the numerals indicates no margin If the arrow is not present the plotter inserts a left margin of 16 bytes 5 8 inch SCAN
41. ive to marks on the media including perforations and the pot has to be readjusted If the plotter advances the paper and stops past a black TOF mark this may mean it s not sensitive enough to the marks and the pot has to be re adjusted for this as well Returning to the Tst_tofv screen and displaying the TOF voltage may help to adjust the sensitivity Increasing the voltage will give a corresponding decrease in the sensitivity of the sensor to the marks although this voltage will not be shown on the front display This is done by turning the pot further in the same direction as previously to change it from 0 000 volts to 5 000 volts Decreasing the voltage will give a corresponding increase in the sensitivity of the sensor to the 34 marks Do not decrease the voltage to the point where it changes from 5 100V to 0 000V 7 Once the plotter stops on the TOF marks twenty consecutive tests to detect the marks should be performed If the plotter fails any of these attempts another adjustment should be made either to increase or decrease the sensitivity of the sensor and the twenty tests should be repeated 8 Swing the rear panel upwards and replace the two 6 32 x 2 Philips pan head screws located at in the top two corners of the rear panel Replacing the rear cooling fan 1 Open the back of the plotter as described in this chapter 2 Remove the four nylon locknuts shown in Figure 7 23 3 Detach the fan cable from its header o
42. izard Welcome to the Add Printer Wizard This wizard helps you install a printer or make printer connections through a USB port or any other hot pluggable port such as IEEE 1394 infrared and so you do not need to use this wizard Click Cancel to close the wizard and then plug the printer s cable into your computer or point the printer toward your computer s infrared port and turn the printer on Windows will automatically install the printer for you i If you have a Plug and Play printer that connects To continue click Next Welcome to the Add Printer Wizard gt Press Next 84 Step 4 Add Printer Wizard Local or Network Printer The wizard needs to know which type of printer to set up Select the option that describes the printer you want to use Local printer attached to this computer C Automatically detect and install my Plug and Play printer network printer or a printer attached to another computer set up a network printer that is not attached to a print server J use the Local printer option Select Local printer attached to this computer gt Press Next Step 5 Add Printer Wizard Select a Printer Port Computers communicate with printers through ports Q Select the port you want your printer to use If the port is not listed you can create a new port O Use the following port LPT1 Recommended Printer Po
43. ler shaft or from its seat 7 Replace the roller or bearings and reverse steps to reassemble If one bearing is faulty replace both CAUTION Do not adjust the power supply higher than 5 1 V This may damage the plotter Measuring and adjusting 5 V power supply voltage 1 Open the right side panel as described in this chapter 2 With the voltmeter attached to the 5 volt red wire and ground black wire terminals of the supply adjust the 5 V potentiometer shown in Figure 7 18 3 Replace the side panel 32 Replacing the 5 V power supply You will need five plastic cable ties when replacing the 5 V power supply 1 Remove the right side panel as described in this chapter 2 Removing the display board as described in this chapter will allow for easier access to the power supply 3 Loosen the five terminal block screws shown in Figure 7 18 4 Disconnect the cables from the terminal block making note of their position 5 Cut the five cable ties shown in Figure 7 19 6 Remove the two 5 V power supply mounting screws located on the interior right side of the plotter by the spindle block figure 7 20 7 Replace the 5 V power supply and reverse steps to reassemble Replacing the Top of Form TOF sensor board 1 Open the bottom panel as described in this chapter 2 Remove the top of form sensor mounting screws shown in Figure 7 22 3 Removal may require loosening off the capacitor bracket screw and rotating the capacitor
44. lling rolled paper e leale 14 Installing fan foldpap t l ea 16 Installing and using film Galella le lele lella 17 Installing the fan fold feeder 17 OPERATION 4 tros inet ahua lai 18 4 1 POWER SUPPLY PRECAUTIONS ae tn pd hd 18 4 2 USING THE CONTROL PANEL ll 18 4 3 CONTROL PANEL FUNCTIONS AND SETTINGS 19 a iolanda Ronan 20 KE 20 Sp ed c 20 oro S 21 ion eo a a has 21 ouod edo p a 21 Form TEC length ss La 22 MC 22 Finite mem 23 TOF display descriptions 23 THEORY OF OPERATION oae lei 25 5 1 INTRODUCTION ua en oett eta dli tina a 25 5 2 PLOTTER FUNCTIONS AND FEATURES i 25 DE cc 25 MAINTENANCE AND REPAIR eee 27 6 1 MAINTENANCE eee tenente nennen 27 6 2 REGULAR MAINTENANCE 28 Cleaning the thermal 28 Gleaning the oleole liana 28 Cleaning the Top of Form Media out 5025 2 2 29 6 3 REPAIR PROCEDURES
45. low the display flashes The default audio setting is PULSED On this setting the plotter will emit four long beeps upon error detection If the plotter is in a noisy environment or if immediate action must be taken regarding error detection change the audio setting to ON Change the beeper setting using the up or down buttons in the Beeper sub menu On this setting the plotter will emit a continuous beep tone until the error is corrected This setting does not apply to the HOT error since stopping the tone would require turning the power off see Automatic head temperature feedback in Chapter 5 Theory of Operation If you do not require an audible error signal turn the audio off Chanoe the setting by pressing the up or down buttons in the BEEPER sub menu 21 Form feed length The FFLENGTH function adjusts the distance that the media is advanced upon pressing the FORM FEED button in OFFLINE mode The default setting is 2 inches The length can be adjusted for trailer length the length of media advance after the plot has finished or for various fan fold paper lengths The plotter senses fan fold top of form marks These marks signal the plotter to stop the form feed at a consistent distance from the perforated edge of the paper The top of form sensor is located in the paper loading area which is to the rear of the platen roller and on the right side of the plotter see Figure 7 17 Plotting begins immediately after the perforat
46. n the main board shown in Figure 7 25 4 Replace the fan and reverse steps to reassemble taking care not over tighten nuts NOTE Install fans so that the air flow is from inside to outside Replacing the bottom cooling fan 1 Open the bottom panel as described in this Chapter 2 Remove the cable ties securing the fan to the 24 Volt wire harness 3 Remove the four nylon locknuts shown in Figure 7 24 4 Detach the spade connectors of the fan cable from the 24 Volt power supply terminal block shown in Figure 7 27 Note that the spade connectors are bent towards the terminal block Ensure that the connectors are in the same position when they are replaced 5 Replace the fan and reverse steps to reassemble taking care not to over tighten the nuts NOTE Install fans so that the air flow is from inside to outside Measuring and adjusting 24 Volt power supply voltage 1 Open the back panel as described in this chapter to gain access to the main logic board 2 Using a voltmeter measure at pins 1 and 3 the test point J2 on the main logic board 3 Remove the right side panel as described in this chapter 4 With the voltmeter attached adjust the 24 Volt potentiometer shown in Figure 7 31 to the appropriate voltage 5 Replace the rear and right side panels CAUTION Do not adjust the power supply higher than 25 Volts This may damage the plotter 35 Replacing the 24 Volt power supply 1 Remove right side panel as described in t
47. ngs stored while power off Automatic head temperature feedback On line off line User 1 and User 2 custom settings Manual plot speed select 1 0 2 0 3 0 and 4 0 inches per second ips Manual plot width selection 216 216 right justified 264 264 right justified and 296 bytes per scan bps Test plot test print 203 dots per inch dpi vertical resolution standard 200 dots per inch dpi vertical emulation Vertical scaling From no scale to 30 64 in 1 64 increments Light paper heavy paper light film heavy film 10 Contrast settings C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 Manual form advance Form feed Form feed length adjust 1 0 2 0 3 0 4 0 6 0 8 0 10 0 12 0 14 0 16 0 inches top of form TOF sensing programmable past top of form PTOF TOF voltage detection Beeper select On off pulsed audible alert 24 volt error warning Thermistor error warning 1 1 0 inch per second 2 2 0 inches per second 3 3 0 inches per second 4 4 0 inches per second 5 Film mode 1 0 inch per second Media out Top of form Head temperature Idle state power supply shutdown Top of form voltage Media Types Media widths Length Feeder trays Thermal printhead Type Resolution Dots per scan Bytes per scan Image width Transport Stepper motor Stepping increment 2 2 ELECTRICAL Interface Type Compalibility Optional data cables Power consumption ldle mode Pl
48. nter you must provide a share name You can use the suggested name or type a new one The share name will be visible to other network users O Do net share this printer S Share iSysV12 Select a sharing option gt Press Next Step 15 Add Printer Wizard Location and Comment You have the option of supplying a location and description of this printer fou can describe the location and capabilities of this printer This information may be helpful to users Location Comment Ca Enter a location and a comment Press Next 90 Step 16 Add Printer Wizard Print Test Page To confirm that the printer is installed properly you can print a test page Q Do you want to print a test page Yes O No Select Yes or No to print a test page gt press Next Step 17 Add Printer Wizard Name Share name Port Model Default Test page Location Comment Completing the Add Printer Wizard You have successfully completed the Add Printer Wizard You specified the following printer settings iSys V12 i5ysv 12 _172 158 192 18 iSys V12 No No To close this wizard click Finish Completing the Add Printer Wizard gt press Finish 91 APPENDIX CENTRONICS INTERFACE HARDWARE If your plotter has a Centronics interface Rev 5 0 please note that it can be connected to the short line interface only Do not attempt to change t
49. ot quality and thermal head life If one side of the plot is faded adjust only the latch pin on that side 1 Remove the side panel as described in this chapter 2 Hold latch pin with fingers while loosening the two latch pin bracket screws shown in Figure 7 8 for the side to be adjusted 3 Adjust the pin by moving it 1 32 inch Tighten the two latch pin bracket screws 4 Run a test plot Repeat steps 2 to 4 until the plot is satisfactory looking for darkness and consistency from one side of the plot to the other 5 If a latch pin has to be replaced it should be positioned so that there is 3 16 inch between the latch pin and the top of the groove in which it is seated inserting a 3 16 drill bit can be used for this measurement Run a test plot and adjust the latch pins as necessary 6 Replace the side panel Replacing the power switch 1 Remove the right side panel as described in this chapter 2 Detach the four quick connect wires observing the location of the wires as shown in Figure 7 8 AC white and black input wires should be located on top of the switch with the corresponding switched output wires on the bottom 3 Squeeze the retaining clips on top and the bottom of the power switch housing while pushing the switch assembly through the bracket 4 Replace the power switch wires and right side panel Replacing the AC receptacle 1 Remove the right panel as described in this chapter 2 Detach the two wires leading f
50. ot or print mode Thermal sensitive paper or film Rolled paper 1 inch spool core rolled paper 7 16 inch spool core fan fold paper rolled film and rolled fanfold 8 75 inches 11 65 inches 12 0 inches Rolls 200 feet heavy base top coat field grade thick paper 300 feet thin paper 130 feet film No maximum amount with fan fold paper Optional for fan fold paper each width Linear array 203 dots per inch or 8 dots per millimeter Dots per scan 296 maximum 11 65 inch maximum 0 25 inch margin for other media widths Micro step 0 004 millimeter 6400 micro steps per inch of media 32 micro steps per scan line Parallel with an 8 KB buffer Versatec Green sheet standard Centronics parallel optional with driver SCSI optional with driver 37 pin db male to male 37 pin db male to female 37 pin db female to 57 pin female military 25 pin db male to female 50 pin micro SCSI male to female 110 W minimum 415 W maximum 10 Power requirements Voltage Current Fuse 2 3 PHYSICAL Dimensions Height Width Weight Net Auto selectable input 110 Volts AC 60 Hertz or 220 Volts AC 50 Hertz 6 Amps maximum 110 Volts 2 Amps nominal 110 Volts 3 250 Volts 6 3 Amps Desktop Rackmount 6 25 inches 5 75 inches 17 0 inches 19 0 inches Desktop Rackmount 28 pounds 40 pounds 2 4 ENVIRONMENTAL Temperature Operating range Storage range Other Operating humidity Ce
51. r t r gt n Display board 43 Figure 7 8 Right side display board removed ro ade 4 fastons power switch La ede mmm oo AI mi Latch pin Ground stud adjustment screws 44 Figure 7 9 Printhead spring pins Head spring pins Figure 7 10 Removing the printhead 45 Figure 7 11 Printhead plate Motor plate mounting screws 46 Figure 7 13 Gears and belt 2 setscrews 2 set screws Figure 7 14 Bottom view panels removed Stepper motor connections Stepper motor 47 Figure 7 15 Stepper motor removed Bearing screws 4 Motor mount screws Figure 7 16 Stepper motor assembly Motor plate 48 Figure 7 17 Right side of platen roller Platen roller Top of form Media out sensor Right bearing and spring washer Right latch pin 49 Figure 7 18 5V power supply terminal block Z Terminal block Adjustment 5 screws potentiometer LED indicator 50 Figure 7 19 5V power supply 5 cable ties 51 Figure 7 20 Interior right side Two 5 volt power supply mounting screws 52 Figure 7 21 Top of form sensor and media out sensor p Ww La 4 t s da du EM a a Tt A a v XS TEM ARN S z e n E CI R 0 Media out Top of form sensor 53 Figure 7 22 TOF Media
52. re not to discharge static into the plotter This may cause damage to the integrated circuits or to other electronic components Use an approved method of static dissipation such as touching a grounded source to prevent component damage 4 2 USING THE CONTROL PANEL To turn the plotter on press the main power switch located at the back right side of the desktop plotter version or at the front left side with the rackmount version The display will show IDLE M1 and the ONLINE light will be illuminated When the ONLINE light is on the plotter is ready to receive data from the host Changes to the control panel settings must be made in OFFLINE mode The control panel is shown in Figure 4 1 It consists of an LED display three condition lights and four push buttons COP Et CRUCE DATA dr EA FEED A puma n IDD PC EE Poh E Pd La Ww Figure 4 1 Control panel 18 BUTTON FUNCTION ON OFF LINE Toggles between ONLINE and OFFLINE modes Changes to control panel settings can only be made on OFFLINE mode UP ARROW Selects sub menu settings Acts as form feed FORM FEED command in OFFLINE mode DOWN Selects sub menu settings Acts as manual ARROW media advance in OFFLINE mode MANUAL ADVANCE Accesses user modes and sub menus Scrolling is from first to last returning to first Table 4 1 Control panel button functions Table 4 1 shows the control panel button functions Pressing t
53. re that paper is correctly aligned while feeding If using fanfold paper you may wish to obtain a fan fold paper tray from The Imaging Systems Group 2 Check that the paper is installed correctly refers to Media Installation in Chapter 3 and that the plotter lid is securely closed The top of the lid should be flush with the top of the side panels 3 If the lid does not close securely or if the head pressure is uneven adjust the latch pins as described in Chapter 6 Maintenance and Repair Plotter has no power Cause If the plotter is plugged in to a functioning outlet then the AC fuse has blown or the on off switch has failed Solution Using a voltmeter check for voltage at the on off switch AC input wires If there is no voltage present at the input of the switch replace the fuse as described in Chapter 6 Maintenance and Repair Check for failed on off switch and replace if necessary as described in Chapter 6 Maintenance and Repair Plotter display is functioning but motor does not function Cause 24 volt power supply is malfunctioning Broken drive belt Main logic board failure Solution Check and if necessary replace the 24 volt supply as described in Chapter 6 Maintenance and Repair Check and if necessary replace the motor drive belt as described in Chapter 6 Maintenance and Repair Check and if necessary replace the main logic board as described in Chapter 6 Maintenance and Repair Changes cannot be made to control
54. recautions to minimize damage to the circuitry 6 1 MAINTENANCE GUIDELINES In order to minimize the complexity of troubleshooting and repairs the V12 plotter is composed wherever possible of field replaceable units FRUs The Imaging Systems Group does not recommend troubleshooting at a component level but rather to the level of these FRUs This chapter and the troubleshooting chapter of this manual follow this approach resulting in faster and easier repairs Replacing or repairing FRUs rather than smaller components minimizes downtime and simplifies procedures This chapter provides detailed information on servicing and maintaining the V12 Follow the guidelines below to make problem identification and servicing easier Use caution while troubleshooting the V12 Turn the power off and unplug the power cord to prevent electric shock Replace one thing at a time when troubleshooting will make it easier to determine what is causing trouble If changes are made to more than one component at a time and a solution or new problem arises it is more difficult to attribute the change to a single part Test each change thoroughly after each phase of repair before moving on This method ensures each part of the repair is correct 27 6 2 REGULAR MAINTENANCE The V12 thermal plotter is designed to require minimal preventative maintenance If the thermal printhead and platen roller are cleaned regularly and the plotter is kept free of debris ex
55. rom the AC receptacle to the power switch 3 Remove the ground wire nut shown in Figure 7 8 from the ground stud and remove the wires from the stud 4 Remove the two AC receptacle mounting screws shown in Figure 7 27 Remove the receptacle 5 Replace the receptacle and reverse steps to reassemble 37 Replacing the fuse The fuse is located in a clip within the AC receptacle See Figure 7 27 1 Unplug the power cable from the AC receptacle 2 Insert a small screwdriver into the slot on the fuse clip to release the fuse holder 3 Remove the fuse from the holder Replace with new fuse and reinsert the fuse holder into the receptacle WARNING Replace only with a fuse of identical specifications other fuses may cause a fire hazard Refer to Chapter 2 Specifications for fuse specifications WARNING Consistent damage to or blowing of the fuse indicates an electrical problem and a severe shock hazard may exist Call an Imaging Systems Group customer service representative for assistance 38 FIGURES Figure 7 1 Opening the plotter lid Latch bar 39 Figure 7 2 Back panel Back panel screws 40 Figure 7 4 Bottom view P gt Bottom right side panel screws panel screws Bottom panel screws 41 0 gt o 5 2 pus 5 iS N Side panel screws 42 Figure 7 6 Control panel Control panel cable Figure 7 7 Display board yap
56. rt Note Most computers use the LPT 1 port to communicate with local printer The connector for this port should look something like this Create a new port Type of port Standard TCP IP Port Select Create new port Type of port gt Standard TCP IP Port gt Press Next 85 Step 6 _ Add Standard TCP IP Printer Port Wizard m Welcome to the Add Standard TCP IP Printer Port Wizard e You use this wizard to add a port for a network printer Before continuing be sure that 1 The device is tumed on 2 The network is connected and configured To continue click Next Welcome to the Add Standard TCP IP Printer Port Wizard gt Press Next Step 7 Add Standard TCP IP Printer Port Wizard Add Port For which device do you want to add a port Enter the Printer Name or P address and a port name for the desired device Printer Name or IP Address 172 158 192 18 Port Name _172 158 192 18 Enter the printers IP Address into the box gt Press Next 86 Step 8 Add Standard TCP IP Printer Port Wizard Additional Port Information Required The device could not be identified The device is not found on the network Be sure that 1 The device is tumed on 2 The network is connected 3 The device is properly configured 4 The address on the previous page is correct If you think the address is not correct click Back to ret
57. rt the manufacturer s installation disk and then make sure that the correct drive is selected below Copy manufacturer s files from Bact Next Cancel Select Browse gt Locate and select the V12 Driver gt Press Ok gt Press Next 88 Step 12 Add Printer Wizard Install Printer Software The manufacturer and model determine which printer software to use Select the manufacturer and model of your printer If your printer came with an installation disk click Have Disk If your printer is not listed consult your printer documentation for compatible printer software Printers iSys V12 A This driver is not digitally signed windows Update Tell me why driver signing is important Select the iSys V12 Printer gt Press Next Step 13 Add Printer Wizard Name Your Printer must assign a name to this printer Type a name for this printer Because some programs do not support printer and server name combinations of more than 31 characters it is best to keep the name as short as possible Printer name 12 Do you want to use this printer as the default printer O Yes Enter the printer name Select yes if you would like the iSys V12 to be your default printer or no if you do not gt Press Next 89 Step 14 Add Printer Wizard Printer Sharing You can share this printer with other network users If you want to share this pri
58. rtification 32 to 122 Fahrenheit 0 to 50 Celsius 14 to 158 Fahrenheit 10 to 70 Celsius 5 to 95 non condensing FCC Class A verified for electromagnetic interference European CE 11 INSTALLATION 3 1 UNPACKING Although shipments are thoroughly checked for completeness by The Imaging Systems Group please confirm that your plotter has the following 1 Power cord North American 2 Sample roll of paper 3 Fan fold paper guide 4 Two spindle hubs and one spacer for 11 65 and 12 inch paper or spindle and sleeve hub for 8 75 inch paper Options Confirm that all specified options are present such as a data cable or a fan fold feeder tray Inspect the plotter and components for any damage that may have occurred during shipment Report any damage to the carrier of the shipment and to your Imaging Systems Group customer service representative Keep the box and packaging for future shipping in the event of servicing or upgrading issues This product must be returned to our factory in the original or proper packaging material Damage caused during return shipping or due to improper packaging will not be covered by The Imaging Systems Group During shipping or storage place a length of thermal paper between the printhead and roller This prevents damaged caused by the two components sticking together Dust cover Data cable 37 pin 4 36 Spindle and core fo
59. s making note of their position 3 Remove the five 4 40 x 1 4 main board mounting screws shown in Figure 7 23 Remove the main board 4 Replace the main board and reverse steps to reassemble Make sure the interface jumper is in the correct position and that all cables are properly reconnected Replacing the capacitor 1 Open the bottom panel as described in this chapter 2 Remove the two capacitor cable screws shown in Figure 7 22 Remove the cables 3 Loosen the capacitor clamp bolt shown in Figure 7 22 4 Replace the capacitor and reverse steps to reassemble CAUTION Note the polarity of the cables Yellow wires should be connected to the positive terminal of the capacitor black wires should be connected to the negative terminal of the capacitor 36 Adjusting the latch pins Occasionally one or both of the latch pins which secure the plotter lid may loosen and require adjustment The positions of the latch pins control the amount of pressure the thermal head exerts on the paper as it passes over the platen roller This head pressure affects both plot quality and paper tracking Signs of incorrect latch pin adjustment include e Faded patches on one side e Ragged paper edges caused by poor tracking e No plot visible on media When adjusting the latch pins the objective is to lower the pins enough to create consistent head pressure across the platen roller Excessive pressure could adversely affect tracking pl
60. so the terminals are moved out of the way Tighten bracket screws after reinstallation 4 Disconnect the top of form sensor cable from the sensor board 5 Replace the top of form sensor and reverse steps to reassemble 33 Adjusting the top of form sensor 1 Remove the two 6 32 x 2 philips pan head screws located at the top left and right corners of the rear panel swing the rear panel downwards for access to the main logic board see Figure 7 2 2 The TOF sensor needs to be set up so that it can properly detect the black TOF marks on underside of fanfold paper The sensor operates in the transition area where it is sensitive enough to detect the marks on the paper and yet will not detect the perforations of the paper 3 To set up the sensor insert fanfold paper into the plotter orienting it so that a white portion of the paper is over the sensor close the lid to the plotter 4 Turn the plotter on press offline key and scroll to the FF length menu selection Press the Up Arrow button until you obtain the sub menu setting Tof sens This setting enables the plotter to advance the paper up to 18 while detecting for the TOF mark Press the online button to save the sub menu setting 5 Press the offline key and scroll to the Tst_none menu selection Press the Up Arrow button twice to obtain the sub menu setting Tst_tofv Press the Enter button to enable this This sub menu setting will allow you to view TOF vol
61. stabilizes the paper for smooth intake figure 7 35 This option is useful in field situations or wherever vibration is a problem These trays attach to the back of the plotter and are available in two media width 1 3 ABOUT THIS MANUAL Please read this manual before using the plotter in particular the Installation and Operation chapters and the Regular Maintenance section in the Maintenance and Repair chapter Please read the Troubleshooting chapter before attempting repairs Pay special attention to warnings cautions and notes The following conventions are used in this manual WARNING Indicates possible bodily injury if procedure is not followed exactly CAUTION Indicates possible equipment damage unless procedure is followed correctly NOTE Indicates a general rule for a procedure or an exception to a rule This symbol indicates an area of possible concern due to static discharge into the circuitry When you see this symbol in the manual please observe proper static precautions to minimize damage to the circuitry SPECIFICATIONS 2 1 FUNCTIONAL Operation Command panel Command modes Features Panel settings Media selection Plot speeds Condition detection Top mounted on the desktop version Front mounted on the rackmount version Full function alphanumeric display Four push buttons LED display Plotting mode Printing mode Microprocessor controlled Two custom user settings User setti
62. sting each adjustment This is particularly important when using lightweight papers or a media with unknown specifications CAUTION Thermal plotting technology involves high temperatures Incorrect media or contrast settings can damage the printhead or other components and void the warranty Media damage can also occur Speed The SPEED function adjusts the speed of the plot output The default setting is 1 0 inch per second Change the speed setting by pressing the up or down buttons in the SPEED sub menu The 1 0 inch per second setting results in the highest quality output The next speeds are 2 0 3 0 and 4 0 inches per second respectively If the plot speed is erratic or if output quality is unacceptable such problems may arise when data enters the plotter at a slower rate than the set plot speed This is most likely to occur on the 4 0 inches per second setting Lowering the plot speed enables the plotter to match the rate of data from the host and produces a smoother output plot When the media setting is FILM the plotter fixes the speed for maximum quality plotting at 1 0 inch per second See Thermal printhead in Chapter 5 Theory of Operation for more details 20 Media The MEDIA function adjusts the printhead for various papers or film The default setting is LT PAPER light paper Note that if you are using other media you must adjust the media setting Incorrect settings can damage the printhead If unsure of the m
63. t 5 75 inches Width 19 inches standard rack Depth 17 25 inches 19 5 inches with 8 75 inches with fan fold feeder tray installed 21 5 inches with 12 inch with fan fold feeder tray installed Weight Net Approximately 40 Ibs This symbol indicates an area of possible concern due to static discharge into the circuitry When you see this symbol in the manual please observe proper static precautions to minimize damage to the circuitry 9 2 INSTALLATION See section 3 1 for unpacking instructions Installing the rails Thumb screw brackets Tray channel Nut plate 2 per rail Figure 9 1 Rack mount rails 1 Place the four nut plates see Figure 9 1 in the desired position on the rack Install each nut plate behind the rack bracket Loosely insert the nut plate screws 2 Position the rails over the nut plate screws as shown in Figure 9 2 Tighten the nut plate screws 3 Tighten the two positioning nuts Shown in Figure 9 1 on each rail 78 NOTE Standard rails extend to a depth of 24 inches Contact The Imaging Systems Group if you require longer rails Figure 9 2 Rails installed on rack AC receptacle screws 4 Back panel screws Data cable port 79 Installing the plotter on the rack 1 Loosen the tray stop bracket screws so the tray stop brackets are positioned as in Figure 9 3 2 Slide the plotter tray into the tray channels on the rails 3 Position the tray stop brackets over the tray channel
64. t of any claims against the purchaser regardless of whether The Imaging Systems Group has been advised of the possibility of such damages The Imaging Systems Group Inc 911 28 Street NE Calgary Alberta T2A 7X1 Canada Phone 403 204 5200 Fax 403 204 1971 E mail mark_hopkins isys group com http www isys group com CONTENTS INTRODUCTION 8 GENERAL DESCRIPTION curabile ii 8 11 MEDIA DESCRIPTION ooo Ee ere b ae er ua A 8 1 3 ABOUT THIS MANUALL otia edt ue dette 8 SPEGIFICATIONS u u a tun ap cited oto CNG 9 2 1 FUNCTIONAL o t oon or i in 9 M A 9 10 Thermal printhead Lacie aliante 10 lcg e Q 10 2 2 ELECTRIGAL policies 10 Interlace C nsusinqa 10 Powercons mptionii u m 10 Power requirem ht9Ss u u siae aa 11 2 9 PHYSICAL lana alia 11 2 4 ENVIRONMENTAL toot abd vt ibd a dete eve dew 11 Hurt mel 11 Oe RE taa MEM LM IO 11 INSTALLATION tcs d oa 12 3 1 UNPACKING ue EI EHE ua iene 12 3 2 MOUNTING AND POSITIONING iii 13 33 SETUP a 13 Changing the interface line 2 13 3 4 MEDIA INSTALLATION aia Pohl OR D RR ER cri 14 Insta
65. tage setting on the front display of the plotter which will allow a user to set up the TOF sensor without using a voltmeter The LED display will now read between 0 000 V and 5 000 V due to the circuitry the voltage displayed will be either of the previous voltages 0 000 or 5 000 Volts Adjustments between the two will not be displayed Using a potentiometer pot trimming tool turn the pot located at R2 on the main logic board until the voltage displayed is 0 000 V Adjust the potentiometer from 0 000 V until a voltage of approximately 5 000 V is displayed This voltage is at the approximate transition point where the sensor can detect between the media and TOF marks Adjustments are made with the potentiometer from this point to optimize the sensitivity to the marks Adjust the potentiometer two more full rotations in the same direction Press the Enter button to exit the TOF adjust mode LED display should show Idle m1 6 Changing the plotter state to Offline and pressing the Formfeed button will test the Top of Form function Manual form feeding will only work when the LED display reads Offline Observe the plotter as it advances the fanfold paper while detecting for the TOF mark Once the plotter stops form feeding open the lid and check to see if a TOF mark has stopped over the sensor location If you find the plotter is stopping the paper short of a TOF mark it may be an indication the adjustment is too sensit
66. ting 63 Figure 7 33 Printhead connections eat tle qe lisi 64 Figure 7 34 Sample test plot alito 65 Figure 7 35 Optional eguipment s deret lea 66 Figure 7 36 Head mounting screws 67 Figure 7 37 Head adjustment SCIOWS cilea 68 TROUBLESHOOTING ie bt nae 69 1 INTRODUCTION Lilli ila 69 B2 PROBLEMS ble RA 71 Error message displayed NO MEDIA ii 71 Error message displayed _HOT _ li 71 Plotter does not aan 71 Plotis blotchy OF f d d q SG anu E at Qs S 73 PGE contrast IS WI uu oi beta a uwa leali 73 Plot has black vertical lines e erede ieri i etoile ir trennt 74 Plotis Wrong lengllhis 74 Paper is wrinkling or tearing along one 75 Plotter h s TIO 75 Plotter display is functioning but motor does not function 75 Changes cannot be made to control panel 75 Plot output speed is erratic iii 75 Form feed does not stop at top of form 75 Form feed stops before desired
67. tra maintenance and repairs will be kept to a minimum This preventative maintenance is the owner operators responsibility Damage to the plotter that has in The Imaging Systems Group s opinion resulted from neglect or misuse will not be covered under warranty CAUTION No parts of the V12 require lubrication All bearings are sealed and self lubricating Bearings must be replaced in pairs if one fails Cleaning the thermal printhead After prolonged use the thermal printhead picks up fibers from the paper passing under it These fine fibers collect and compact on portions of the printhead blocking the contact it makes with the paper during a plot and causing faded patches Poor contact between the printhead and paper may also cause the affected heating elements nibs to fail prematurely because of improper heat dissipation to the paper Clean the printhead every time a new roll of paper or film is installed 1 Turn the plotter power off 2 Moisten do not soak a soft lint free cloth with 99 isopropyl alcohol Rub gently along the length of the printhead 3 Allow the alcohol to evaporate completely before using the plotter CAUTION Do not touch the printhead with your fingers or other object The oil on your skin contaminates the printhead which lessens plot quality and shortens the print head s life span Cleaning the platen roller After prolonged use the platen roller picks up fibers from the paper passing above it These fin
68. ull to remove e The power switch is located at the front of the plotter After removing the left side panel detach the four power switch connectors Squeeze the sides of the power switch housing and push it through the front panel to remove e The bottom cooling fan has a metal housing for cooling efficiency When replacing the fan ensure this housing is installed 82 10 0 DRIVER INSTALLATION Driver Version 2 1 is compatible with Microsoft XP Vista and Windows 7 32 64bit Step 1 Microsoft Update gt Internet Explorer 43 My Computer Programs gt gt Documents gt 4 Settings gt gt Control Panel Network Connections Search Printers and Faxes and Support Taskbar and Start Menu E Run 9 Shut Down O G iv rn Go to Windows Start gt Settings gt Printers and Faxes 83 Step 2 3 Printers and Faxes JoJE3 File Edit View Favorites Tools Help ar Search E Folders Address ex Printers and Faxes a Go 3 Add a printer gt Install a local fax printer See Also 2 Troubleshoot printing Get help with printing gt Other Places Control Panel gt Scanners and Cameras My Documents E Pictures 9 My Computer lt Details Select Add a Printer on the Left hand side of the window gt Press Next s tep 3 Add Printer W
69. urn to the previous page Then correct the address and perform another search on the network If you are sure the address is correct select the device type below Device Type Standard Generic Network Card x Custom Settings Under Device gt Select Standard gt Generic Network gt Press Next Step 9 Add Standard TCP IP Printer Port Wizard Completing Add Standard TCP IP Printer Port Wizard 1 B You have selected a port with the following characteristics SNMP No Protocol RAW Port 9100 Device 172 158 192 14 Port Name IP_172 158 192 14 Adapter Type Generic Network Card To complete this wizard click Finish Completing the Add Standard TCP IP Printer Port Wizard gt Press Finish 87 Step 10 Add Printer Wizard Install Printer Software The manufacturer and model determine which printer software to use disk click Have Disk If your printer is not listed consult your printer documentation for Select the manufacturer and model of your printer If your printer came with an installation compatible printer software Manufacturer Printers Ey This driver is digitally signed Tell me why driver signing is important Select Have Disk Step 11 Add Printer Wizard Install Printer Software The manufacturer and model determine which printer software to use Install From Disk Inse

V12 User Guide - The Imaging Systems Group Inc.

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