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Diagraph I.V./700, Service Manual

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Diagraph I.V./700 Service Manual Download Page 17

5750-212

Revision  A

Page 17

Troubleshooting

Problems with the I.V./700 divide into three
areas: (1) the unit is not printing; (2) the unit is
printing but the results are unsatisfactory; and
(3) the unit is printing but some aspect of its
operation is unsatisfactory.

(1) Not Printing ........................................ 18
(2) Unsatisfactory Print ............................. 21
(3) Satisfactory Print but with Problems ...... 25
Hardware Block Diagram ........................... 26
Oscilloscope Plots

2

7

Summary of Contents for I.V./700

Page 1: ...formation contained in this manual is correct and accurate at the time of its publi cation Diagraph reserves the right to change or alter any information or technical specifi cations at any time and w...

Page 2: ...Results 33 Appendix A Service Parts Instructions 36 Basics Product Specifications 3 Components 4 Keypad Assignments 5 Keystrokes with Command Prompts 6 11 Maintenance Loading Ink 12 Purging All Chann...

Page 3: ...solution 7 dots inch vertical 12 dots inch horizontal Dot Diam Range 0 100 0 125 in 2 54 3 175 mm Rec Throw Distance 0 50 in max at 50 ft min 12 7 mm at 15 24 m min 0 625 in max at 150 ft min 1 59 mm...

Page 4: ...5750 212 Revision A Page 4 I V 700 Components...

Page 5: ...TE Inserts the date into a message With ALT 24 it inserts an expiration date 17 ITEM COUNT Inserts the item count into a message With ALT 24 it inserts pallet counts NUMERIC KEYPAD 18 Keys for number...

Page 6: ...nitializing Select Language 1 English 2 Espa ol 3 Deutsch 4 Fran ais 5 Italiano 6 Suomi 7 Nederlands 8 Svenska 9 Portugu s A Norsk Set Date 1 No 2 Yes YYYY MM DD 1997 02 17 Set Time 1 No 2 Yes HH MM P...

Page 7: ...Character Width 4 Set Up Menu 9 Dot Size Dot Diameter 1 9 4 Set Up Menu A Font 1 7B 2 7 3 5 Set Font Set Up Menu B Print Mode Print Multiple 1 No 2 Yes 1 Set Up Menu C Box Length Box Length 000 2 inch...

Page 8: ...just 1 Dot Adjustment 00 Factory Setting Y N 1 No 2 Yes 1 Accessing system information Information 1 Unused Messages Unused Messages 96 Information 2 Date 1997 02 17 Information 3 Time 12 32 49 Inform...

Page 9: ...DD 2 Cancel Changes DD 3 Edit DD 2 Edit Message 3 Delete Message Name DD DIAGRAPH 1 Cancel Changes DD 2 Ok Delete DD Setting the item count Editing DIAGRAPH Editing DIAGRAPH 1 Count 1 2 3 DIAGRAPH 1...

Page 10: ...49 hh mm DD 13 49 hhmm DD 1349 hh mmAM PM DD 13 49PM hh DD 13 mm DD 49 AM PM DD PM 1 AM 2 PM DD 2 Placing the date in a message Editing DD Editing DD 02 17 97 MM DD YY DD 02 17 97 DD MM YY DD 17 02 97...

Page 11: ...MON YY DD 19 MAR 97 XMM DD YY DD 03 19 97 XDD MM YY DD 19 03 97 XMON YY DD MON 97 XDD DD 19 XMON DD MAR XMM DD 03 XYY DD 97 XYYY DD 1997 XWW DD 11 XDDD DD 078 XM DD C Purging all channels in the syst...

Page 12: ...its delivery system to print 400 to 1000 characters after the ink low light begins to flash 1 Unscrew the old can and set aside 2 Remove the cap from the new can invert and screw into the ink recepta...

Page 13: ...t of the workday 1 Hold a disposable towel in front of the printhead 2 Press PURGE The printhead will expel ink for approximately two seconds Continue to press PURGE if you a want a long purge of ink...

Page 14: ...equire purging the printhead with conditioner 1 Remove the ink canister and attach a canister of conditioner 2 Hold a disposable towel in front of the printhead 3 Press PURGE 4 Continue to press PURGE...

Page 15: ...d ALT and PURGE 2 Press the corresponding numeric key to select a channel to purge 3 Hold a disposable towel in front of the printhead 4 Press PURGE The printhead will expel ink for approximately two...

Page 16: ...n the LCD by using the UP and DOWN arrows with the ALT key 1 Press and hold ALT and the DOWN arrow Hold for at least five seconds The screen contrast will gradually dim 2 Press and hold ALT and the UP...

Page 17: ...the unit is not printing 2 the unit is printing but the results are unsatisfactory and 3 the unit is printing but some aspect of its operation is unsatisfactory 1 Not Printing 18 2 Unsatisfactory Prin...

Page 18: ...s not fix the problem then put a finger in front of each photosensor alternately and watch for the photosensor LED to light If a photosensor is working then the LED will light when you touch it If one...

Page 19: ...width setting is too small for the product line speed To rectify this increase the character width by follow ing the directions below on setting the char acter width 1 Press PRINT and the LCD will sh...

Page 20: ...lace it with cable 5750 192 Q6 The I V 700 is not printing and ALL the LEDS are blinking Why S6 A short circuit has occurred To determine whether the short is in the printhead or the controller discon...

Page 21: ...ct mes sage but the message is too far to one side Why S9 The message indent distance is incorrect Ad just the distance by following the directions below to change an individual message in dent and th...

Page 22: ...troller board pins for the outputs shown on sheet HBD1 If the out puts do not match those shown replace the controller board P N 5750 208E for European models and 5750 208A for Asian models If the con...

Page 23: ...lead of the multimeter to test point 3 TP3 B on the driver board 4 Set the mulitmeter to DC voltage A B 5 Install the new can of ink into the control ler recepticle 6 Power ON the I V 700 and wait for...

Page 24: ...LCD shows In formation 4 Press SET UP 5 Press K The LCD will prompt for the num ber of seconds that the printer will stand idle 6 Type in the amount of time and press ENTER 7 The first line of the LCD...

Page 25: ...ink may allow environmental debris to accumulate which is why the frontplate should be wiped after at the beginning and end of each shift Q18 I m running the I V 700 eight hours per day and have to r...

Page 26: ...5750 212 Revision A Page 26 Hardware Block Diagram HBD1...

Page 27: ...5750 212 Revision A Page 27 Oscilloscope Plot of Driver Board 15 V Output Veritcal Setting 5 0 VDC per division Horizontal Setting 50 microseconds per division...

Page 28: ...5750 212 Revision A Page 28 Oscilloscope Plot of CPU Board 5 V Output Veritcal Setting 2 0 VDC per division Horizontal Setting 50 microseconds per division...

Page 29: ...5750 212 Revision A Page 29 Parts Drawings General Assembly 30 Controller Assembly 31 Printhead Assembly 32...

Page 30: ...5750 212 Revision A Page 30 Modular Parts Kits...

Page 31: ...5750 212 Revision A Page 31 Controller Assembly...

Page 32: ...5750 212 Revision A Page 32 Printhead Assembly...

Page 33: ...5750 212 Revision A Page 33 Test Results Declaration of Conformity 34 Inchscape Testing Services 35...

Page 34: ...5750 212 Revision A Page 34...

Page 35: ...5750 212 Revision A Page 35...

Page 36: ...Appendix A Service Parts Instructions 5750 199N Modular Printhead 37 5750 201N Controller 41 5750 113N Power Supply 44 5750 125N Tubing Kit 45 5750 117N 118N Firmware 46 5750 183N External Photosensor...

Page 37: ...es at the time of manufacture Each printhead is unique and requires individual adjustments for optimal printing Copy these values so you can enter them into the controller At right is an example of th...

Page 38: ...1 Press ENTER 10 The second line of the LCD will display Dot Adjustment 00 Refer to 1st Dot for valve 1 on the printhead label and type it at the prompt Press ENTER when done 11 Repeat the procedure f...

Page 39: ...ots 10 When you achieve the best print select 2 YES when exiting this function This choice makes the new pulse width value permanent Small Dot 4 Dot 4 adjusted correctly Dot 4 oversized After sitting...

Page 40: ...rences between dots printed in rows and dots printed in columns Dots with column adjustment set too low Nominal Letters Dots with column adjustment set too high Column Dot Adjustment When the I V 700...

Page 41: ...n in the second line of LCD under Column Dot Adjust Press ENTER 4 Press SET UP then J The LCD will show Dot 1 Press ENTER Materials Required Clean wipes 5 Record the value shown after Dot Size on the...

Page 42: ...ration prompt will confirm proper operation 6 Press a clean wipe against the face of the print head and press PURGE F Initialization Setting Language Time Date and Units 1 Press and hold both ALT and...

Page 43: ...ill show Dot 1 The controller is waiting for a dot diameter value for the dot from the first valve in the print head 6 Refer to the Dot Size value for valve 1 on the chart and enter it at the prompt P...

Page 44: ...ion A Page 44 I V 7 0 0 P o w e r S u p p l y 5 7 5 0 1 1 3 N Contents 1 I V 700 Power Supply 5750 113 1 Instruction Sheet 5750 113N Tools None required Specifications Input 100V 240V 0 7A 50 60Hz Out...

Page 45: ...ress the nipple end of the original male quick disconnect fitting to bleed ink from the tubing Warning This ink pressure can be up to 90 PSIG 6 2 Bar Exercise Caution _Wrap a clean wipe around the ori...

Page 46: ...7 Press Set Up then K The LCD will show First Dot Time and a number of seconds Record the number of seconds in the chart above and press ENTER This setting is usually 000 8 The screen will display 1s...

Page 47: ...fter this choice the I V 700 controller will change to the print message screen Printhead Adjustments The next instructions cover transferring the previously recorded values to the I V 700 control ler...

Page 48: ...page 2 for the configuration command sequence Note dimension X in the illustration at right the distance from the center of the photosensor to the center of the printhead When mounting the photosensor...

Page 49: ...t is available only after a special initialization DO NOT USE THIS MENU option if you are using the standard I V 700 and its built in photosensors Start by unplugging the I V 700 1 Press and hold ALT...

Page 50: ...ogged orifice A flashlight or other concentrated light source will help as the orifices are very small 5 Carefully insert the broach pin in the clogged orifice until the handle touches the front plate...

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