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Hitachi PXR, Service Manual

The Hitachi PXR Service Manual is an essential resource for owners of this high-performance product. This comprehensive manual provides detailed instructions and troubleshooting tips, ensuring efficient use and easy maintenance. Download the manual for free from manualshive.com, empowering you to optimize the capabilities of your Hitachi PXR.

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6-12 

6.6 Heating unit Replacement Procedure

 

When “Ink Heating Too High”, “Heating Unit Sensor Fault” and “Ink Heating Current Fault” 
occur, the heating unit must be replaced.

 

(1) Perform depressure. 
(2) Remove all of the covers. 
(3) Remove the connector (4P, white) of the heating unit.

 

 
 
 
 
 
 
 

 

(4) Remove the sealing valve. (Refer to the items 6.5 in the replacement procedure of 

 parts.)

 

(5) Unloosen the heating unit joint presser foot and remove the ink-furnishing tube (E). 
(6) Unscrew two heating unit setscrews and remove the heating unit. 

                         

“Caution”    Lead wires and tubes are laid over the heating unit.    When the 

              heating unit is removed, do not pull them accidentally.

 

 
 
 
 
 
 
 
 
 

 

(7) Prepare a new heating unit and put an O-ring in the terminal area of the ink- 
   furnishing tube (E).

 

 

  “Caution”

 

      (A) Use an O-ring of P 1.7 (hole diameter: about 

φ

1.6).

 

      (B) Be sure to put the O-ring so as not to jump out of the hole of the   

joint portion.

 

(8) Attach the heating unit. 

      “Caution”    At the attachment, do not pinch lead wires and tubes.

 

Heating unit connector

Makeup ink IN joint

Sealing valve

presser foot Sealing valve

Heating unit joint 

presser foot

 

Filter

 

Nozzle IN joint 

presser foot

 

Ink-furnishing tube (E)

Heating unit

Heating unit setscrew

 

E

Summary of Contents for PXR

Page 1: ...Service Manual HITACHI Printer Model PXR Revision December 2008 Version C ...

Page 2: ...y card 2 3 2 2 6 2 8 6 Addition of Ink type JP K65 to the list of 40 µm 2 5 6 5 8 15 2 5 2 12 Addition of caution Download timing 2 20 2 32 2 8 Modification of 3 From download to system reset 2 26 2 9 Addition of the backup data capacity and limitation 2 27 2 14 Addition of Software option setup 2 35 2 36 3 2 1 Modification of EZJ104 board replacement procedure 3 3 to 3 5 3 3 1 Modification of EZJ...

Page 3: ...1 19 1 4 3 3 Disposition of makeup ink inside main ink tank at the time of installation 1 21 1 4 3 4 Ink replenishment at the time of installation 1 21 2 Maintenance work 2 1 2 1 Setting of maintenance mode by service personnel 2 1 2 2 System environment setup 2 4 2 3 Adjustment operational checkout 2 7 2 3 1 Excitation adjustment 2 7 2 3 2 Charging voltage confirmation 2 9 2 3 3 Phase margin test...

Page 4: ...ry 3 7 3 2 3 Power supply for LCD backlight 3 7 3 2 4 Control panel 3 8 3 3 Engine part 3 9 3 3 1 EZJ93 board MPU board 3 9 3 3 2 EZJ94 board NH board 3 13 3 3 3 EZJ95 board I O board 3 15 3 3 4 EZJ99 board Optional board 3 18 3 3 5 EZJ105 board 3 22 3 3 6 Multiple Power Supply 3 23 3 3 7 High voltage power supply 3 23 3 3 8 Fan Replacement Procedure 3 24 3 3 9 Exhaust Filter Replacement Procedure...

Page 5: ...Circulation Unit Replacement Procedure 5 13 5 9 Troubleshooting when Fault Occurs in Viscometer 5 15 5 10 Stirrer replacement procedure 5 16 5 11 Print Head Replacement Procedure 5 18 5 12 Troubleshooting Procedure for the Circulation System 5 18 5 13 Repairing Method When the Circulation Route Is Dry or Sticks 5 18 5 14 Repairing method for each solenoid valve and pump using solenoid pump 5 19 6 ...

Page 6: ...agram 8 1 8 1 1 Circulation system diagram PXR D PXR H 8 1 8 1 2 Circulation system diagram PXR P 8 2 8 2 Air system diagram PXR P 8 3 8 3 Electrical Connection Diagram 8 4 8 3 1 Electrical Connection Diagram PXR D 8 4 8 3 2 Electrical Connection Diagram PXR H 8 5 8 3 3 Electrical Connection Diagram PXR P 8 6 8 4 Circulation sequence 8 7 8 5 Dimensions around charge electrode and deflection electr...

Page 7: ...tions Before starting the maintenance and inspection work of this printer thoroughly read and understand the safety precautions When explaining the product to customers at the time of the installation fully explain the safety precautions ...

Page 8: ...perty damage if the warning against performing an incorrect handling procedure is ignored If the warning in the CAUTION category is ignored serious results may occur depending on the situation After the manual has been read it must be stored in such a location that all printer operation personnel can refer to it at all times All the instructions set forth in this manual are important and must ther...

Page 9: ...r metal article into the ink ejection hole in the end of the print head When the printer is ready to print a high voltage approximately 6 kV is applied to the deflection electrode section in the print head Exercise caution to avoid electric shock injury and fire Before opening the outer covering excluding the maintenance door be sure to shut off the power supply A high voltage is applied to some s...

Page 10: ...fore servicing the printer be sure to stop the ink ejection Because ink or makeup ink may splash into your eyes or mouth or onto your hands or clothing If any ink or makeup ink enters your eyes or mouth immediately flush with warm or cold water and consult a physician If an earthquake fire or other emergency occurs while the printer is engaged in printing or just turned on press the ON OFF power s...

Page 11: ...n it when energized will cause makeup ink or vapors of makeup ink to enter the printer possibly catching on or causing a fire When the cleaning is over open the maintenance door and make sure that no makeup ink has entered and no vapors stay inside Should you find a leak of ink or makeup ink inside the printer while the printer is running or being maintained wipe it off promptly with lint free wip...

Page 12: ...ndling area and printer installation site At least 200 m3 must be provided per print head Ensure that adequate ventilation is provided 2 When handling the ink or makeup ink wear protective gloves and safety goggles to avoid direct skin contact If the ink or makeup ink comes into contact with skin wash thoroughly with soap and warm or cold water 3 When transferring the ink or makeup ink to or from ...

Page 13: ...onveyor or other devices 3 If the employed printing target detector is housed in a metal case use a plastic mounting brace for the purpose of insulating the detector from the conveyor and other devices 4 Be sure that the printing target detector wiring is not bundled together with other power supply cables When replaced with an incorrect type of battery the battery is in danger of exploding Be sur...

Page 14: ... rotor referring to 1 2 7 air supply for stirrer and operation in the instruction manual 4 Stir the ink inside tank using the stirring rod provided Refer to 2 1 Startup in the instruction manual 5 For new ink before replenishment note that ink components will settle inside ink bottle during storage Be sure to stir ink using stirring rod before replenishment 6 Depending on change of ink viscosity w...

Page 15: ...ther maintenance purposes Power lamp Handle Turn it by 90degrees to open and close it Various signals intakes See 1 5 Connection of signals in the instruction manual Power switch Push ON push OFF alternative Connection tube 4m Print head This section performs printing Handle Air purge connection port See section 1 2 6 Print head air purge in the instruction manual Exhaust duct connection port ...

Page 16: ...1 10 1 3 2 Main body internal PXR D PXR H Maintenance door Makeup ink reservoir Ink reservoir Electrical access door Various signals connecting portion ...

Page 17: ...le Turn it by 90 degrees to open and close it Handle Turn it by 90 degrees to open and close it Operating status indicator lamps Displays READY FAULT and WARNING Power lamp Maintenance cover Opened closed for ink replacement and other maintenance purposes Filter regulator Stirrer air connection port Exhaust duct connection port Air purge connection port See Section 1 2 6 Print head air purge in th...

Page 18: ...1 12 1 3 4 Main body internal PXR P Ink reservoir Main ink tank Makeup ink reservoir Ink filter Electrical access door Various signals connecting portion Maintenance door ...

Page 19: ...ning of orifice plate lot number 6 A12345 Serial number Nozzle diameter 6 65μm 4 40μm 1 100μm 5 55μm Print head PXR H Pipe gutter Plus deflection electrode Nozzle 55µm Minus deflection electrode Position of lot number Orifice plate ...

Page 20: ...rm to following conditions besides the above mentioned conditions Standard UL and CUL recognition parts Rating 125V More than 7A Plug NEMA5 15P Cable Type SJT 18AWG More than 60 degrees C Cable length 1 5 to 4 5 m Be sure to use an appropriate plug and connect a protective ground Place a wall socket in the vicinity of the unit so as to easily remove it Use a power cable within the designated speci...

Page 21: ...1 15 1 Remove the Inlet cover Fixing screw 4 locations 2 Insert the power cable to the Inlet Power Cable Inlet cover 4 fixed screws ...

Page 22: ...1 16 3 Mount the inlet cover Inlet Cover Power cable Tape the seal around the outside of the cable and as in the drawing and insert it into the holder as shown in above CAUTION ...

Page 23: ...sure adjustment Set pressure to the standard value of every ink Instruction manual 7 12 Pressure adjustment 9 Adjustment of excitation voltage Touch screen operation automatic acquisition 2 3 1 Excitation adjustment 10 Adjustment of APH gain Touch screen operation automatic acquisition 2 3 4 Auto phase gain adjustment 11 Setting of excitation voltage Confirm the real printing state and the ink dro...

Page 24: ...Disposition of makeup ink inside main ink tank at the time of installing 7 Ink replenishment Stirring of bottle and filling 1 3 3 4 Ink replenishment at the time of installing 8 Pressure adjustment Set pressure to the standard value of every ink Instruction manual 7 12 Pressure adjustment 9 Adjustment of excitation voltage Touch screen operation automatic acquisition 2 3 1 Excitation adjustment 10...

Page 25: ... position of filter regulator Loosen two fixing screws so that the scale of filter regulator is visible from the front of unit and slide it in the direction of arrow 2 Air connection method Charge air of about 0 2 0 4 MPa from air connection port for stirrer Rc1 8 at the back of unit If there is any possibility that air contains oil or water use air filter or micro mist separator etc to clean and ...

Page 26: ...djust so that scale of filter regulator is 0 1 0 01 MPa If pressure is insufficient rotor may not rotate Perform adjustment with stirrer being rotated Refer to 1 2 7 Confirming air supply for stirrer and operation in the instruction manual for driving method of stirrer Caution If a rotor is not in the tank stirrer will be rotating at high speed Caution Pressure adjustment range ...

Page 27: ...nk tank 3 Dispose of makeup ink inside the tank then return to original status 1 4 3 4 Ink replenishment at the time of installation 1 Stir settled objects inside the ink bottle For new ink before replenishment note that ink components will settle inside ink bottle during storage Be sure to stir ink using stirring bar before replenishment 2 Replenish ink Charge ink which has been stirred enough in...

Page 28: ...to the customer 2 Even when the customer sets the password in the password protection the PADO has priority Back Status XXXXXXXXX 2011 07 07 12 45 Maintenance menu Test print Operation management Circulation control View alarm history Comm monitor Password protection Environment setup menu Excitation V update Nozzle test View software version Manual Start up Shut down Comm On Off Password Enter pa...

Page 29: ...ual Start up Shut down Comm On Off Next menu Prev menu View alarm history Excitation V update Nozzle test Circulation control Back Status XXXXXXXXX 2011 07 07 12 45 Maintenance menu Solenoid valve pump test Adjustment operational checkout Unit information System reset System environment setup Download Next menu Prev menu Manual Start up Shut down Comm On Off Enter password Back Back space Y X W V ...

Page 30: ... management The time of the pump and the solenoid valves can be changed 10 Unit information screen The serial number and the ink coefficient can be changed 11 Fault The fault No ink drop charge does not invoke ink stoppage A memory card with the IJP system data hereinafter referred to as system data memory card is necessary to carry out the following service personnel maintenance works No Function...

Page 31: ...ith respect to the initial value refer to the next page With respect to full details about the excitation curve refer to the attached figure 8 6 3 After the completion of the setting when Back is pressed the screen returns to the maintenance menu With respect to the password protection refer to 2 1 setting of service personnel maintenance mode Comm On Off Manual Start up Shut down Status XXXXXXXXX...

Page 32: ...9 35 0 JP R65 68 9 20 35 0 JP K68 68 9 21 35 0 JP K70 68 9 22 35 0 JP T71 68 9 23 35 0 JP K72 68 9 24 40 0 JP T75 68 9 26 35 0 JP R76 68 9 27 35 0 JP W73 62 5 01 40 0 65 µm JP K67 90 9 01 35 0 JP K69 90 9 02 35 0 JP K27 90 9 06 35 0 JP K33 90 9 13 35 0 JP K61 90 9 15 35 0 JP K62 90 9 16 35 0 JP K65 80 0 19 35 0 JP K68 90 9 21 35 0 JP K72 90 9 24 35 0 40 µm JP K67 28 1 01 35 0 JP K68 28 1 21 35 0 J...

Page 33: ...g may be abnormal After finishing maintenance work reset the value to the original PXR D PXR P TYPE Constant excitation voltage output values set on the Excitation V update screen Setting value 00 01 02 03 04 05 06 07 08 09 Excitation voltage V 90 104 118 133 147 161 175 189 204 218 Setting value 10 11 12 13 14 15 16 17 18 19 Excitation voltage V 232 246 260 275 289 303 317 331 346 360 PXR H TYPE ...

Page 34: ...n When the previous menu and the next menu are not displayed in the maintenance menu set to the service personnel maintenance mode by the password protection With respect to the password protection refer to 2 1 setting of service personnel maintenance mode Back Status XXXXXXXXX 2011 07 07 12 45 Maintenance menu Solenoid valve pump test Adjustment operationalcheckout Unit information System reset S...

Page 35: ... is insufficient Replacement parts boards of EZJ93 and 94 nozzle and head cable are out of order When failed in the automatic adjustment the manual adjustment key is displayed When the manual adjustment key is pressed a numerical value is manually put into the excitation voltage adjusted value and the Apply key is pressed the excitation voltage value is increased and decreased Confirm a waveform o...

Page 36: ...P12 on the EZJ 94 board using an oscilloscope and confirm that the TP12 is in the range of DC 250V plus or minus 15V After the completion of the confirmation the work can be stopped before the passing of 3 minutes by pressing the Abort key With respect to positions of the board and the test pin refer to 3 3 2 EZJ94 board Abort Status XXXXXXXXX 2011 07 07 12 45 Proc status In progress Execution tak...

Page 37: ...ce personnel maintenance mode by the password protection 2 Select Phase margin test With respect to the password protection refer to 2 1 setting of service personnel maintenance mode Back Status XXXXXXXXX 2011 07 07 12 45 Maintenance menu Solenoid valve pump test Adjustment operationalcheckout Unit information System reset System environment setup Download Next menu Prev menu Manual Start up Shut ...

Page 38: ...w 123ABC Printed phase Printed phase which is set at present 16 phases in total a phase determined to be most suitable from 0 to f any one from 0 to f When selecting Data to be displayed a printing is performed under the printing conditions printing contents set at present 4 Determination method of test Observing the print phases of from phase 0 to phase 15 f when a printing is not normally perfor...

Page 39: ...set to the service personnel maintenance mode by the password protection 2 Press Auto phase gain adjustment When the screen is switched press Automatic acquisition The gain of the auto phase detection voltage is automatically adjusted within the IJ printer During the automatic adjustment a processing state is displayed to be Acquisition With respect to the password protection refer to 2 1 setting ...

Page 40: ...stment is not normally completed or the waveform is abnormality confirm that the periphery of the gutter part is made dirty with ink or makeup ink When dirtiness or the like is present wash the periphery of the gutter part surely dry it and then perform the automatic adjustment again Numerical values of the auto phase gain value can also be input by a ten key To the value set at present if the aut...

Page 41: ...ext menu are not displayed in the maintenance menu set to the service personnel maintenance mode by the password protection 2 Press Level sensor confirmation The level sensor operation state is displayed Detected The sensor detected the level The ink and the makeup ink are present Undetected The sensor did not detect the level The ink and the makeup ink are not present 3 When pressing Back the scr...

Page 42: ...op state Stand by or Ready A 1 2 3 1 2 3 B 1 2 3 1 2 3 C 1 2 3 1 2 3 D 1 2 3 1 2 3 1 Detected Undetected 2 A target level is indicated while Stand by or Ready state Level 3 Overflow GND 10mm 5mm Level 2 Level 1 White Black White Black Level 2 White Level 3 Overflow GND Bind Level 1 C A D 1 2 3 B Back Status XXXXXXXXX 2011 07 07 12 45 Proc status In progress Main ink tank Too high undetected Level ...

Page 43: ...ta of a viscosity value is displayed on the viscometer calibration screen The value might be less than 90 just after the level change but it is not an abnormality Incre ment Decre ment Cancel changes Reset Back 0 9 8 7 6 5 4 3 2 1 Status XXXXXXXXXX 2011 07 07 12 45 Operation management Ink alarm time 1200 hours standard value 1200 Cumulative op time 000000 hours Ink Operating time 0000 hours Print...

Page 44: ...nit will be higher than the ambient temperature when the heating unit is activated Heating unit status Indicates whether the heating unit is activated or deactivated 3 After Activate is pressed the heating unit turns ON The heating unit temperature rises The heating unit state is displayed as Activated It activates without a relation to the present state 4 After the Deactivate is pressed the the h...

Page 45: ...enance mode by the password protection The operating state of the solenoid valve and the pump is displayed Confirm the operation by an operating sound Open The solenoid valve is opened Close The solenoid valve is closed Operated The pump is operated Stop The pump is stopped 2 When pressing Back the screen returns to the maintenance menu screen Caution The pumps and solenoid valve can be operated s...

Page 46: ...nge the menu to the Maintenance mode by service personnel with Password protection Version numbers of the memory card and the board are displayed Be sure to perform the download if the version of the board is older than that of the memory card With respect to the password protection refer to 2 1 setting of service personnel maintenance mode With notes in case of the EZJ93 board replacement refer t...

Page 47: ...guages registered in the IJ printer Languages on the memory card 1 Spanish 1 English 2 French 2 Thai 3 Vietnamese 4 Arabic In this case English is displayed when after downloading If other language should be displayed please perform language registration again The download timing is different between the following case 1 and 2 1 Turn on the power and then insert the system data memory card 2 Inser...

Page 48: ... is displayed Note at the calibration When the operation confirmation of the viscometer is performed without the calibration press Operation test Record or backup the coefficient value The value is recorded in the EZJ104 board So at the replacement of EZJ104 the calibration with new ink will be required in case that the value is not recorded nor made a backup Operation test Start calibration Back ...

Page 49: ...ibration The coefficient will not be registered when Cancel is pressed instead of OK key Cancel OK When updating coefficient press OK Plunger falling time No 1 X XX sec Coefficient XXXX Average X XX sec No 2 X XX sec No 3 X XX sec No 4 X XX sec No 5 X XX sec Ink temperature XX o C the previous calibration Exec time 2011 07 01 16 00 Status XXXXXXXXX 2011 07 07 12 45 Viscometer calibration Plunger f...

Page 50: ...he check mark is not printed for the viscometer of PXR D Check mark Viscosity coefficient indication Viscometer No The four digit number from the right on the line with check mark is the coefficient Example Viscosity coefficient in this case is 1413 If value on the screen and value indicated on the viscometer do not match correct the value on the screen to the value indicated on the viscometer Coe...

Page 51: ...ng when fault occurs in viscometer 4 Press Cancel to restore the original screen The operation test result display will disappear Cancel Plunger falling time No 1 X XX sec Standard X XXX mPa s Coefficient XXXX Average X XX sec No 2 X XX sec No 3 X XX sec No 4 X XX sec No 5 X XX sec Ink temperature XX o C the previous calibration Exec time 2011 07 07 12 49 Status XXXXXXXXX 2011 07 08 09 12 Viscomet...

Page 52: ...on env setup screen is displayed 2 Press either 0 Disable or 1 Enable 0 The ink concentration is controlled by the dot count control without measurement of the ink viscosity Dot count control Amount of ink which is used for printing and vaporized makeup ink are automatically refilled 1 The ink concentration is controlled based on results of the viscosity measurement Caution 1 The default is 1 Enab...

Page 53: ...3 2 4 EZJ104 board and 3 3 1 EZJ93 board 1 Press the System reset on the second page of the Service maintenance screen In case the Prev menu and Next menu are not displayed on the maintenance menu change the menu to the Maintenance mode by service personnel with Password protection A confirmation message appears 3 Press OK Wait for a minute is displayed After the completion of the system reset the...

Page 54: ... message At the Service personnel maintenance mode the copy data type can be select Copy data from memory card to IJP Data type Copy data User pattern User patterns alphanumeric patterns Print data Print data Substitution rules User data Print data Substitution rules User patterns alphanumeric patterns Unit specific data Unit specific data Ink viscosity coefficient APH gain User environment setup ...

Page 55: ... After the copying is over press the ejector button and take the memory card out of the slot Serial number PXR99999 Folder to be copied PXR99999 Cancel Start copy Status XXXXXXXXX 2011 07 07 12 45 Copy direction Mem card Printer Printer Mem card Copy data Data type User pattern Print data User pattern User data Unit specific data Copy method Copy to open space Overwrite copy ...

Page 56: ...ometer 1 Turn on the power 2 Put it into the Service personnel maintenance mode by using Password protection 3 Press the Unit information on the second page of the Service maintenance screen Back TYPE FORM PXR D460 Status XXXXXXXXX 2011 07 07 12 45 Unit information Ink viscosity coefficient XXXX Ink type JP K67 0 9 8 7 6 5 4 3 2 1 Decre ment Incre ment Serial number PXR 9 9 9 9 9 9 9 9 ...

Page 57: ...ct speed matching error Caution Even if a condition for the warning happens and the print disordered the warning will not be displayed when the value is set to disable Back Status XXXXXXXXX 2011 07 07 12 45 User environment setup 0 9 8 7 6 5 4 3 2 1 Decre ment Incre ment Shut down Start up Comm On Off Show cursor Manual Apply Repeat print sensor mode 1 1 signal ON 2 OFF ONtransition Reverse direct...

Page 58: ...ata into the slot 3 Press Select language In case that the languages in the memory card are not displayed on the screen put it into the Service pesonnel maintenance mode by using Password protection OK Save Back Status XXXXXXXXX 2011 07 07 12 45 Select language Next Lan guage Prev Lan guage Current language English 01 00 Registered language Language1 English 01 00 Language2 French 01 00 Decre ment...

Page 59: ...on in the memory card and the system software version of the IJ printer are different Language Registration Denied will be displayed In this case follow the procedure of 2 5 Download The download timing is different between the following case 1 and 2 1 Turn on the power and then insert the system data memory card 2 Insert the system data memory card and then turn on the power In the case of 1 Star...

Page 60: ...nit Sensor Fault 067 Viscosity Readings Out of Range 018 068 High Ink Concentration 019 F Memory Fault 9 069 Low Ink Concentration 020 F Memory Fault M 070 021 Hardware Fault C 071 022 Internal Communication Error S 072 023 073 024 Ink Heating Current Fault 01 074 025 Ambient Temperature Sensor Fault 075 026 Cooling Fan Fault 076 027 077 028 078 029 079 030 F Memory Fault S 080 031 Pump Motor Faul...

Page 61: ... Error 015 112 External Communication Error 016 186 113 External Communication Error 017 187 Ink Temperature Correction Notice 114 External Communication Error 018 188 115 External Communication Error 019 116 External Communication Error 020 117 External Communication Error 021 118 External Communication Error 022 198 119 External Communication Error 023 199 Print Data Settings Notice BLANK 120 Ex...

Page 62: ... card which IJP system data is stored 4 Press Option setup at the second page of the service maintenance work screen When Prev menu and Next menu are not displayed in the maintenance work menu set to the service personnel maintenance mode by the password protection When a memory card which IJP system data is stored is not set Option setup button is not displayed Back Status XXXXXXXXX 2011 07 07 12...

Page 63: ...e memory card out of the slot 8 Check the function of the software option Decre ment Incre ment Cancel OK Status XXXXXXXXX 2011 07 07 12 45 Option Setup 02 1 Addition of printing columns 03 1Addition of registers 04 1Special communication A 05 1 External signal A 08 1 Barcode reader connection 16 3 Communication buffer 0 0 Disable 1 Enable 0 0 Disable 1 Enable 0 0 Disable 1 Enable 0 0 Disable 1 En...

Page 64: ... screws Two locations Engine part Controller part EZJ94 board EZJ93 board EZJ95 board Multiple power supply High voltage power supply Engine part cover opening state When opening the cover of the controller part and the engine part be sure to cut off the power supply The unit has such a part that high voltage is applied When performing the adjustment in a state where the cover is opened be fully c...

Page 65: ...part cover opening state LCD backlight power supply EZJ104 board Touch panel operation side EZJ97 board Battery LCD Backside of panel Cover fixing screws Two locations Controller part Cover fixing screws Two locations ...

Page 66: ...g NO back up follow the Replacement procedure of EZJ104 board in a state allowing NO back up in the page 3 5 2 Turn off the power 3 Replace the EZJ104 board Do not replace the EZJ93 board simultaneously 4 Before turning on the power insert the system data memory card into the slot of EZJ104 board 5 Turn on the power With the system data memory card inserted As for the copy data function see 2 9 Ba...

Page 67: ...k up memory card by using the copy data function From the memory card to the IJP 13 As the operation management the parts usage time management password setup and the unit information are not backed up by the copy data function Set them again Note 1 The print data are the print description the printing specifications the print line the print format the print condition and the count condition Note ...

Page 68: ...em data memory card out of the slot 9 Execute System reset on the second page of the service maintenance screen 10 Perform setup and or adjustment according to the following table No Item Reference manual 1 Calibrate touch screen coordinates Instruction manual 5 4 Calibrating the Touch Screen coordinates 2 Touch screen setup Instruction manual 4 7 Touch screen setup 3 Excitation adjustment 2 3 1 E...

Page 69: ... card slot Connector for touch panel Connector for LCD harness Connector for EZJ93 board Connector for battery connection Connector for inverter board F1 F2 REG1 PS2 Fixing screw 4 locations Fixing screw 4 locations Fixing screw 4 locations Fixing screw 4 locations ...

Page 70: ... is in danger of exploding Be sure to replace the battery with the one specified by parts list When battery is disposed of insulate it using tape etc 1 If mixed with other metal or battery uninsulated battery may cause heating fire or explosion 2 Do not put the battery into fire 3 If battery not used or battery of 3V or more is to be disposed of connect resistor of about 100 ohms between both term...

Page 71: ...nstruction manual 4 3 setting the Date and Time With respect to the setting the calibrating touch screen coordinate refer to the instruction manual 5 4 Calibrating the touch screen coordinates When inserting the touch panel connection cable into the connector of the EZJ104 board confirm that the lock lever is released and hold both sides of the reinforced connecting portion as shown in the drawing...

Page 72: ... 3 11 2 Turn off the power 3 Replace the EZJ93 board Do not replace the EZJ104 board simultaneously 4 Before turning on the power insert the system data memory card into the slot of EZJ104 board 5 Turn on the power With the system data memory card inserted Setting of the switch is not performed As for the copy data function see 2 9 Backup When replacing the EZJ93 board the memory card where the IJ...

Page 73: ...on management the parts usage time management password setup and the unit information are not backed up by the copy data function Set them again Note 1 The print data are the print description the printing specifications the print line the print format the print condition and the count condition Note 2 The unit specific data are the ink type the nozzle diameter and the viscosity calibration data A...

Page 74: ... data memory card out of the slot 9 Execute System reset on the second page of the service maintenance screen 10 Perform setup and or adjustment according to the following table No Item Reference manual 1 Calibrate touch screen coordinates Instruction manual 5 4 Calibrating the Touch Screen coordinates 2 Touch screen setup Instruction manual 4 7 Touch screen setup 3 Excitation adjustment 2 3 1 Exc...

Page 75: ...3 12 EZJ93 board external views TP3 TP6 One setscrew Five studs for fixing EZJ94 Five studs for fixing EZJ94 Five studs for fixing EZJ94 Five studs for fixing EZJ94 Five studs for fixing EZJ94 ...

Page 76: ...es Note at the replacement When replacing boards be sure to turn off the power Set up DSW 1 according to the nozzle diameter After replacing the board confirm the charging voltage Perform the excitation adjustment Perform the auto phase gain adjustment EZJ94 board external views With respect to the charging voltage confirmation refer to 2 3 2 Charging voltage confirmation With respect to the auto ...

Page 77: ...sistance of the R125 How to identify the EZJ94 board and the EZJ94DH board Soldered side of the EZJ94DH board Numbers typed on the R125 resistance EZJ94 board EZJ94DH board Use a magnifying glass to identify the board because the numbers on the resistance are small The red check mark and the blue label at the lot number print part External view of R125 Soldered side EZJ94 board No EZJ94DH board Ye...

Page 78: ...minals 2 and 3 closes as shown in the table at below regardless of whether the IJ printer is ready SW2 SW2 Set content Default Bit 1 Setting is performed according to the specification of OFF Bit2 the encoder Refer to the setting by types of the OFF Bit3 specification described below OFF Bit4 OFF Bit5 Power to the printed matter sensor from the IJ printer is set When supplying the power from the I...

Page 79: ... target detector is ON it is lighted LED2 Printing stop input When the printing stop signal input is ON it is lighted LED3 Rotary encoder input When the rotary encoder signal input for product speed matching is ON it is lighted LED4 Deflection voltage ON OFF input When the deflection voltage ON OFF signal input is ON it is lighted LED5 Reverse direction printing input When the reverse direction pr...

Page 80: ...3 17 3 17 Circuit diagram of EZJ95 ...

Page 81: ...ded parts Setting procedure 1 Save the current data to Memory card 2 Turn the power off 3 Remove electrical component cover fixed by the two screws and the plastic plate from the bottom it Fixing Screw Electrical component cover Plastic plate Fixing Screw Electrical component cover Hexagonal spacer 2 pieces Resin spacer 2 pieces Ferrite core 1 piece Screw 2 pieces As for the copy data function see...

Page 82: ...ctor CN1 on the EZJ93 board and then attach the screws to the two hexagonal screws and tighten them 6 Change the switch setting as shown on the following page 7 Attach the electrical component cover EZJ95 board Hexagonal spacer Plastic spacer Board base EZJ99 board Connector CN1 EZJ93 board Screws Plastic spacer Plastic spacer ...

Page 83: ...stem reset 11 Return the backed up data to IJP 12 Turn the power off Connect wires from external devises to the TB1 depending on software options Attach the included ferrite core to the cables as below Applied wire size AWG26 14 0 4 mm 1 6 mm Peeling length of cables 9 mm Connection cable Ferrite core TB1 EZJ99circuit board As for the copy data function see 2 9 Backup As for the System reset see 2...

Page 84: ... 12 V Set to OFF when using an external power supply Connect the external power supply 12 24 V to pin 1 of terminal board TB1 ON Bit 8 Reserve Set to OFF OFF Notes for replacement Be sure to turn power off when replacing the EZJ99 board Save the data on memory card by using the copy data function before replacing the EZJ99 board and be sure to recover the data after replacement As the operation ma...

Page 85: ...he replacement Be sure to turn off the power before replacing the EZJ105 board Be sure to joint CN1 CN2 and CN3 after replacing the board Perform the level sensor confirmation after replacing the board See 2 3 5 2 Model PXR H level sensor confirmation EZJ105 external view Fixing screw 4 locations CN1 CN2 CN3 Fixing screw 4 locations Fixing screw 4 locations Fixing screw 4 locations ...

Page 86: ...the case where they are dusty DC output for CN9 of EZJ93 AC input for connection to the relay connector from the terminal Fixing screw 4 locations The high voltage power supply has a portion where high voltage is applied When performing the adjustment or the like in a state where the operation panel cover is opened be fully careful about an electric shock Caution against an electric shock Fixing s...

Page 87: ... the connector of the fan 3 wires black red and blue 4 pin connector 4 Remove the exhaust cover and the rear cover Caution Take care not to cause the removed connector of the fan to be caught Rear cover Fixing screw 15 locations Exhaust cover Fixing screw 4 locations Fixing screw 2 locations Operation panel Electrical component cover Connector for the fan Fixing screw of the board base The cover c...

Page 88: ...Caution Pay attention to the mounting direction of the fan air flow direction 7 Turn on the power supply and make sure that Cooling Fan Fault does not appear Configuration of the model PXR P Exhaust cover Nut 4 pieces Filter cover Rear cover Fan Fan guard Fixing screw 4 pieces Wire mesh filter Exhaust filter Fan Label side Spacer Spacer Rear cover Spacer 4 pieces Fan Fixing screw 4 pieces Wire mes...

Page 89: ... environment condition Replace the exhaust filter at the same time with the air filter in every two times 1 Turn off the power supply 2 Remove the exhaust cover 3 Remove the fixing nuts 4 locations the filter cover and the exhaust filter Configuration of the model PXR D and the model PXR H Exhaust cover Red mark Nut 4pieces Washer 4pieces Filter cover Exhaust Filter Rear cover Fan Exhaust cover Fi...

Page 90: ...the above procedure The red mark side is the filter cover side There are a front side and a backside of the exhaust filter Place the red mark side toward the Exhaust cover Caution Exhaust Filter Exhaust cover Red mark Fixing screw 4 pieces Filter cover Rear cover Fan Wire mesh filter ...

Page 91: ...tightening torque Part name used location Companion parts name Companion material N m kgf cm ICU base A PBT G30 1 7 0 3 17 3 3 ICU base B PBT G30 1 7 0 3 17 3 3 Front panel PP 1 33 0 22 13 6 2 2 Self tapping screw M4X12 attaching pressure system etc Main ink tank PP 1 33 0 22 13 6 2 2 Self tapping screw M4X16 attaching solenoid valve ICU base B PBT G30 1 7 0 3 17 3 3 Self tapping screw M4X12 attac...

Page 92: ... a safe place after removing the connection tube block 2 Remove the ink filter from the fixture and draw it out 3 Remove the fixing screws 2 pieces of the reservoir base and remove the reservoir base Reservoir base Fixing screw Ink reservoir Makeup ink reservoir Connection tube block Connection tube block Holder Ink filter ...

Page 93: ...nt 1 Perform the operations of 1 to 3 in 4 1 2 Approach to the parts on the front side of the equipment 2 Remove the fixing screws 2 pieces of the unit door and open the unit door Caution Take care not to cause the plumbing tube to be caught Unit door Fixing screw ...

Page 94: ...e wire connecting part screws 3 positions of the liquid level sensor in the main ink tank the recovery tube and the exhaust tube The wire connecting part of the liquid level sensor for the PXR H is different from PXR D There are five positions of the wire connecting part screws Fixing screw Exhaust tube Black long White Black short Recovery tube White Overflow Black GND 黒 Bind Recovery tube Exhaus...

Page 95: ...tank Caution Put wiping paper under the main ink tank to provide for an ink drip 6 Clean the portion stained with ink and then install the main ink tank by reversing the above procedure 7 Perform Ink refill and make sure that there is no ink leak Main ink tank Fixing screws Fixing screws ...

Page 96: ...tion Put wiping paper under the pressure relief valve to provide for an ink drip 4 Replace the O rings of the lower part of the pressure relief valve and the joint with new ones 5 Clean the portion stained with ink and install a new pressure relief valve by reversing the above procedure 6 Perform Ink Replenishment and adjust the pressure Make sure that there is no ink leak Fixing screw Fixing scre...

Page 97: ...the ICU joint at occurrence of damage 1 Mount the O ring on the ICU joint 2 Get the O ring wet with the makeup ink and then insert it into the connecting port of the circulation unit Caution If it cannot be inserted smoothly the O ring may bite Perform the operations starting from Step 1 once gain 3 Tighten the fixing screw Procedure for removing the ICU joint at occurrence of damage 1 Remove the ...

Page 98: ...e filter joint nut and remove the whole from the mounting part 2 Fix the end of the filter joint and loosen the tube block 3 Pull out the tube Assembling the filter joint 1 Mount the O ring on the filter joint 2 Get the O ring wet with the intensifier and install the ink filter and others together with the filter joint nut 3 Pass the tube through the tube lock 4 Insert the tube into the end of the...

Page 99: ...ires from the clamps 5 positions that fix them 5 Remove the connector that connects the motor 6 Remove the tubes 4 positions connected to the pump unit and remove the screws 2 positions that fix the pump unit on the door Remove the ICU joint to remove the tube shown by dashed line and loosen the tube lock to remove the others Connector for the motor Fixing screw Fixing screw Remove the ICU joint ...

Page 100: ...ressure Make sure that there is no ink leak 10 Reset the pump time to 0 on the Parts usage time management screen Incre ment Decre ment Cancel changes Reset Back 0 9 8 7 6 5 4 3 2 1 Status XXXXXXXXXXX 2005 07 07 12 45 Parts usage time Ink filter 0 0 0 0 0 Circulation f 0 0 0 0 0 Makeup ink f 0 0 0 0 0 Air filter 0 0 0 0 0 Pump 0 0 0 0 0 Recovery filter 0 0 0 0 0 Heating unit 0 0 0 0 0 MV1 0 0 0 0 ...

Page 101: ...ecute Gutter Cleaning No operation is required Take care about an ink drip MV4 Execute Ink drainage No operation is required Take care about an ink drip MV5 Execute Nozzle backwash No operation is required Take care about an ink drip MV6 Execute Ink drainage No operation is required Take care about an ink drip MV7 Execute Ink drainage Drain the ink in the main ink tank from the drain tube MV8 Exec...

Page 102: ...rts usage time management screen Fixing screw Solenoid valve O ring S16 O ring 4 7 O ring mounting groove Incre ment Decre ment Cancel changes Reset Back 0 9 8 7 6 5 4 3 2 1 Status XXXXXXXXXXX 2005 07 07 12 45 Parts usage time Ink filter 0 0 0 0 0 Circulation f 0 0 0 0 0 Makeup ink f 0 0 0 0 0 Air filter 0 0 0 0 0 Pump 0 0 0 0 0 Recovery filter 0 0 0 0 0 Heating unit 0 0 0 0 0 MV1 0 0 0 0 0 hours ...

Page 103: ...e connector is provided on the rear side of the equipment 4 Remove the connector of the pressure sensor 5 Remove the screws 2 positions that fix the pressure sensor The pressure sensor can be removed Caution Put wiping paper under the solenoid valve to provide for an ink drip 6 Clean the portion stained with ink and then install a pressure sensor by reversing the above procedure Fixing screw Press...

Page 104: ...ecting part screws 3 positions of the liquid level sensor in the main ink tank and the exhaust tube The wire connecting part of the liquid level sensor for the PXR H is different from PXR D There are five positions of the wire connecting part screws Fixing screw Exhaust tube Black long White Black short Main ink tank White Overflow Black GND 黒 Bind Recovery tube Exhaust tube White Level 1 Black Le...

Page 105: ...ns that are connected to the circulation unit Caution Take care about an ink drip 6 Remove the clamps 5 positions that fix the wires 7 Remove the connectors of the electric parts motor solenoid valves pressure sensor level sensor and viscometer ...

Page 106: ...lation unit can be removed 9 Clean the portion stained with ink and then install the main ink tank by reversing the above procedure 10 Perform Makeup ink refill and then Ink refill Make sure that any ink or makeup ink leak does not occur at each connecting part Fixing screw Fixing screw ...

Page 107: ... recovery is made b Disassemble and clean viscometer Proceed with c if no recovery is made c Replace viscometer 2 Viscosity Readings Out of Range Estimated cause Ink adhered to the IN side of viscometer Troubleshooting Disassemble and wash viscometer Estimated cause Proximity sensor was faulty Troubleshooting Replace proximity sensor If there is no recovery with the above troubleshooting replace t...

Page 108: ...meter A Turn power on B Use Solenoid Valve Pump Test screen of Maintenance Work to turn on the pump to MV4 in that order and operate them for at least 10 seconds The ink remaining in viscometer will return to the main container C Turn power off 3 Unplugging connectors Caution Do not perform this work with power turned on Doing so will cause Viscometer Temperature Sensor Fault to occur Unplug the c...

Page 109: ...g coefficient And once replaced corresponding coefficient must be input from the screen Change the value following the procedure of 2 6 2 Confirmation of Viscometer coefficient Explanation of the viscometer label In this example viscometer coefficient is 1413 Viscometer No Viscosity coefficient In factory code No Check mark for corresponding coefficient Attention to the model PXR H ...

Page 110: ...ut to the wiping paper C Make sure that no ink remains in viscometer and then pull out the cylinder If ink remains it will dirty the coil D Put the removed plunger and cylinder in a beaker filled with intensifier and wash them for at least 5 minutes using an ultrasonic washer Viscometer cover Three viscometer cover setscrews Coil Cylinder Plunger Two viscometer IN joint setscrews Thermistor setscr...

Page 111: ...edure A Set the O ring and squeezing pin on the viscometer OUT side and use the two setscrews to attach them to the circulation unit B Plug in the connectors of lead wires again C Connect the viscometer IN side tube mark G Note After reassembly it may be necessary to replace the ink and or calibrate the viscometer When disassembling and washing during installation Calibrate the viscometer without ...

Page 112: ... to its original position referring to item 4 9 4 Take care not to forget to plug in the connectors of lead wires Caution After replacing the proximity sensor it is necessary to replace the ink and calibrate the viscometer see 2 6 Calibrating Viscometer 4 9 6 Replacing thermistor A Remove the viscometer from circulation unit referring to item 4 9 1 B Remove the screw holding the thermistor fixing ...

Page 113: ...e print head Loosen the tube lock and pull out the tube Caution Put wiping paper at the end of the tube to provide for an ink drip Fixing screw Operation panel Board cover High voltage wire APH signal wire EZJ94 board CN2 Charged signal wire EZJ94 board CN3 Excitation signal wire EZJ94 board CN5 Cover switch etc EZJ94 board CN7 FG wire Grounding Circulation line Pipe signal J Collection line Pipe ...

Page 114: ... in 4 from the rear side of the equipment 9 Remove the fixing screws 4 positions of the print head on the rear side of the equipment The print head can be removed from the equipment 10 Install a new print head by reversing the above procedure 11 Perform Ink Replenishment and adjust the pressure Make sure that there is no ink leak 12 Perform Excitation adjustment and Auto phase gain adjustment Fixi...

Page 115: ...ry or sticks The solenoid valve is operated but ink does not flow Refer to 4 12 Repairing method when the circulation route dry or sticks MV1 malfunctions When Open is executed on the Solenoid Valve Pump Test screen no operation sound is produced Replace or repair the solenoid valve MV1 Refer to 4 12 Repairing method when the circulation route dry or sticks The solenoid valve malfunctions MV9 malf...

Page 116: ...s faulty When the pump and then MV1 are turned on ink flows to the collation tube Solenoid Valve Pump Test screen Replace the solenoid valve MV6 The ink pressure does not increase Others The pressure sensor malfunctions Ink jets and printing can be performed but the pressure value is abnormal Replace the pressure sensor The pressure resistance of MV7 is faulty The makeup ink in the pipe N is sucke...

Page 117: ...ctions When Open is executed on the Solenoid Valve Pump Test screen no operation sound is produced Replace or repair the solenoid valve MV3 Refer to 4 12 Repairing method when the circulation route dry or sticks The circulation route clogs Clogging in the pipe or joint The nozzle can be flushed reversely and MV4 can be operated normally Refer to 4 12 Repairing method when the circulation route dry...

Page 118: ...nctions When Open is executed on the Solenoid Valve Pump Test screen no operation sound is produced Replace or repair the solenoid valve MV2 Refer to 4 12 Repairing method when the circulation route dry or sticks MV7 malfunctions When Open is executed on the Solenoid Valve Pump Test screen no operation sound is produced Replace or repair the solenoid valve MV7 Refer to 4 12 Repairing method when t...

Page 119: ...nnector is abnormal Part Check method Criterion Pump motor 1 Operate the pump on the Solenoid Valve Pump Test screen 2 Measure the voltage at pin No 5 wire red 20 V DC or more Solenoid valve 1 Replace the solenoid valve and the connector with another normal solenoid valve and connector 2 Make a check on the Solenoid Valve Pump Test screen Release the solenoid valve An operation sound can be confir...

Page 120: ... the Solenoid Valve Pump Test screen If an operation sound can be confirmed the repair work is completed If not replace the solenoid valve 4 12 2 Repairing method for the supply pump 1 Remove the tube connecting block of the ink reservoir and connect the hand pump 2 Operate the pump MV2 and MV6 in this order on the Solenoid Valve Pump Test screen 3 Apply pressure with the hand pump 4 If the makeup...

Page 121: ...rt up or Eject ink 2 After the pump is started operate it for about 10 minutes in the status where the pressure adjusting knob is turned completely clockwise to obtain the maximum pressure 3 Stop the pump and then execute Nozzle Backwash If suction from the nozzle can be confirmed the repair work is completed If the pump cannot be repaired repeat the same operations starting from 1 again If the pu...

Page 122: ...anion parts name Companion material N m kgf cm ICU base A PBT G30 1 7 0 3 17 3 3 ICU base B PBT G30 1 7 0 3 17 3 3 Self tapping screw M4X12 attaching pressure system etc Front panel PP 1 33 0 22 13 6 2 2 Self tapping screw M4X16 attaching solenoid valve ICU base B PBT G30 1 7 0 3 17 3 3 Self tapping screw M4X12 attaching pump cover P side plate ADC12 aluminum 1 7 0 3 17 3 3 Self tapping screw B M3...

Page 123: ...safe place 2 Remove the two knurled screws fixing reservoir holder the tube from tube clamp and then remove the reservoir holder 3 Remove the two screws fixing makeup ink reservoir holder and then remove the makeup ink reservoir holder Makeup ink reservoir Ink reservoir Main ink tank Ink filter knurled screws Reservoir holder Makeup ink reservoir holder Fixing screw Tube clamp ...

Page 124: ...erform the operations of 1 to 3 in 5 1 2 Approach to the parts on the front side of the equipment 2 Remove the fixing screws 2 pieces of the unit door and open the unit door Caution Take care not to cause the plumbing tube and harness to be caught Unit door Fixing screw ...

Page 125: ... and Q 5 Remove the exhaust tube from joint Refer to 5 4 3 Air joint structure and handling for removal of air tube 6 Turn the cap remove the connection block and dispose of ink Note 1 Prepare paper wiper etc for dipping of ink 2 Since there is a rotor inside the tank pick up rotor using stirring bar provided before disposing of ink Connection block Cap Main ink tank Exhaust tube Liquid level sens...

Page 126: ...to above Note 1 For rotor removed in step 6 carefully wipe off ink and clean using paper wiper soaked in solvent etc Be sure to replace in the tank 2 After setting rotor securely tighten the cap 8 Perform Ink Replenishment and make sure that there is no ink leak ...

Page 127: ...rews of the liquid level sensor on the connection block 5 Remove the four screws fixing ink tubes M and 2 6 Attach the new ink reservoir by the reverse procedure to above Note 1 For rotor removed in step 5 carefully wipe off ink and clean using paper wiper soaked in solvent etc Be sure to replace in the reservoir 2 After setting rotor securely tighten the cap 7 Replenish ink in the ink reservoir I...

Page 128: ...ve Replacement Procedure 5 4 Joint Structure and Handling 5 4 1 ICU joint structure and handling The procedure is the same as for the model PXR D See the 4 4 1 ICU joint structure and handling 5 4 2 Filter joint structure and handling The procedure is the same as for the model PXR D See the 4 4 2 Filter joint structure and handling ...

Page 129: ... air leakage may result 2 After connecting tube make sure that there is not any twisting or crushing of tube Tube removal method shut off primary side air before starting work While pressing open ring by hand pull out air tube If it is hard to pull out push it back once while pressing open ring by hand then pull out again Open ring Air tube Joint Insert Open ring Pull out Air tube Joint Flexible s...

Page 130: ... the power off and shut off primary side air before starting work 2 Perform the procedure in 5 1 3 Approach to the parts on the rear side of the equipment 3 Remove the air tube inserted into the solenoid valve MV11 MV12 Refer to 5 4 3 Air joint structure and handling for removal of the tube 4 Disconnect the connectors of solenoid valve MV11 MV12 5 Remove the two screws securing solenoid valve fixi...

Page 131: ...off or get caught when attaching 2 Take care with the orientation of solenoid valve installation Refer to the orientation of solenoid valve No and harness shown in the above diagram 3 For air solenoid valve use the solenoid valve with orange rating plate the same as for MV8 flush valve MV11 MV12 Orange Serial No Fixing screw M4x16 Solenoid valve fixing plate Solenoid valve MV11 Fixing screw M4x16 ...

Page 132: ...ower off and shut off primary side air before starting work 2 Perform the procedure in 5 1 3 Approach to the parts on the rear side of the equipment 3 Disconnect the connector of pressure switch 4 Remove the air tube from the air joint which is attached to the pressure switch See the 5 4 3 Air joint structure and handling for removal of tube 5 Remove the two fixing screws from pressure switch and ...

Page 133: ...dure to above Note 1 When handling the switch be careful not to drop it or allow any impact It could be broken 2 Do not touch the adjustment screw of pressure switch It was adjusted to the set pressure when shipped from factory Adjustment screw Pressure switch ...

Page 134: ... the parts on the rear side of the equipment 4 Remove the wire connecting part screws 13 positions of the liquid level sensor in the main ink tank and the exhaust tube Caution 1 Take care about an ink drip 2 Remove the piping tubes P and Q from P tank joint clamp section For other tubes loosen tube lock and remove only tube 5 Remove the clamps 5 positions that fix the wires unit Q P ...

Page 135: ...irculation unit can be removed 8 Clean the portion stained with ink and then install the main ink tank by reversing the above procedure 9 Perform Makeup ink refill and then Ink refill Make sure that any ink or makeup ink leak does not occur at each connecting part Connector of motor Connector of pressure sensor and viscometer Connector of solenoid valves Fixing screw Fixing screw ...

Page 136: ... viscometer with label on which check mark is applied to the corresponding coefficient And once replaced corresponding coefficient must be input from the screen Change the value following the procedure of 2 6 2 Confirmation of the ink viscosity coefficient In this example viscometer coefficient is 1413 With check mark for the model PXR P Non Choke pin in PXＲ P Viscometer No Viscosity coefficient I...

Page 137: ...f 5 1 2 Approach to the parts on the front side of the equipment 3 Remove all air tubes connected to stirrer Refer to 5 4 3 Air joint structure and handling for removal of air tube 4 Remove the three screws fixing stirrer base and then remove base from the unit Stirrer for main ink tank Stirrer for ink reservoir Fixing screw Stirrer base ...

Page 138: ...Be sure to use cross accessed flat head screw M4x8 to secure stirrer If another screw is used the stirrer may malfunction 6 Install a new stirrer by the reverse procedure to above 7 Turn the power on and supply air to primary side and confirm that stirrer rotates See the 7 18 Confirming rotation of Rotor in the instruction manual of PXR P Stirrer for ink reservoir Cross accessed flat head screw M4...

Page 139: ...wiping paper at the end of the tube to provide for an ink drip 5 12 Troubleshooting Procedure for the Circulation System See the 4 11 Troubleshooting Procedure for the Circulation System 5 13 Repairing Method When the Circulation Route Is Dry or Sticks See the 4 12 Repairing Method When the Circulation Route Is Dry or Sticks Circulation line Pipe symbol J Recovery line Pipe symbol A Supply line Pi...

Page 140: ...hs N o Part to be repaired Solenoid pump Connecting end from RR Operating part Reception port 1 MV1 Supply pump P MV1 MV8 pump Put ink tube EE into beaker 2 MV2 Supply pump M MV2 MV8 pump Put ink tube EE into beaker 3 MV3 Recovery pump AA MV3 MV8 pump Main ink tank L 4 MV4 Circulation pump G MV4 MV8 pump Main ink tank L 5 MV5 Circulation pump JJ MV5 MV8 pump Main ink tank L 6 MV6 Recovery pump EE ...

Page 141: ...the head base rear cover Further packings are put also in the mating portion of the head base and the deflecting base 3 The APH sensor board EZJ98 board assembly for the phase matching is put in the recovery path on the head base rear surface 2 How to remove each cover 1 When the knurled screws are unloosened the head cover can be removed 2 When the setscrews are unloosened the heater cover can be...

Page 142: ...e OUT joint by a cutter or the like Caution When removing the nozzle OUT joint remove it so as not to pull the main body side tube Caution A If you scratch the coupling with a cutter or the like it may cause an ink leakage and so on B When removing a cut piece of the tube cut the tube piece and pull it off the coupling 5 Pull out the nozzle upward with a slope while taking up the front edge of the...

Page 143: ...nect the nozzle OUT joint Caution A Get rid of the tube remaining on the joint in the 4 B When the tube is hardly put in the joint because it slips grasp the front edge of the tube by a JK wiper or the like and put it in the joint 8 Put the charged electrode in the new nozzle and fix the video signal wire on the charged electrode 9 Execute Ink stream alignment on the Circulation control screen Cau...

Page 144: ... kHz Temperature range ºC Remarks K26 0 255 68 9 0 35 K27 0 255 68 9 0 45 R27 0 255 68 9 0 35 B27 0 255 68 9 0 35 G27 0 245 68 9 0 35 K28 0 245 68 9 0 35 K31A 0 245 68 9 0 35 K33 0 255 74 0 0 35 Y37 0 255 68 9 0 35 K60 0 245 68 9 0 35 K61 0 245 68 9 0 35 K62 0 255 68 9 0 35 F63 0 255 68 9 0 35 T64 0 255 68 9 0 35 K65 0 255 68 9 0 35 K67 0 255 68 9 0 45 K68 0 245 68 9 0 35 R65 0 255 68 9 0 35 K69 0...

Page 145: ...ssure Ink MPa Excitation frequency kHz Temperature range ºC Remarks K67 0 105 28 1 0 35 K68 0 105 28 1 0 35 K69 0 105 28 1 0 35 R27 0 105 28 1 0 35 G27 0 105 28 1 0 35 B27 0 105 28 1 0 35 K26 0 105 28 1 0 35 K72 0 105 28 1 0 35 4 55 µm nozzle PXR H Standard pressure Ink MPa Excitation frequency kHz Temperature range ºC Remarks K67 0 290 95 2 0 40 K69 0 270 95 2 0 40 K31A 0 270 95 2 0 35 K33 0 310 ...

Page 146: ...n after cleaning it is necessary to replace the deflection base Perform it by using the following procedure 1 Depressurize the printer 2 Remove all of the covers described in the item 6 1 3 Unscrew the nozzle setscrew the deflecting electrode setscrew and the charged electrode feed screw on the surface of the deflecting base 4 Unscrew the APH sensor setscrews high voltage electrical power lines se...

Page 147: ...crew part with silicon rubber according to the following procedure A Fill the top and bottom of the ring terminal with silicon rubber using a dispenser Caution a Hold the head as shown below in order to prevent the silicone from running Nozzle High voltage line terminal round terminal Dispenser Insert the tip of the dispenser into the downside of the terminal to fill the downside space High voltag...

Page 148: ...to 100mm away so as not to deform the tube by keeping it too close Silicone Filling Portion Hatching Portion The metallic portion of the high voltage line terminal portion should be completely hidden Rib of the base plate D section Fill it up to approximately the same height as the rib of the base plate so that the screw head will not be out Rib High voltage round terminal Fill up the downside of ...

Page 149: ...he high voltage electrical power line setscrew part it causes high voltage leak C When mounting the rear cover paying attention to pinching of the lead and gasket Knack of infusing the silicone When infusing the silicone into the dispenser perform it as shown below to purge air Metallic needle Cylinder Put the silicone in Place the needle on the upside Cylinder Downside is NG Wait until the silico...

Page 150: ...ealing valve 4 Unloosen the nozzle IN joint presser foot and the sealing valve presser foot A A filter is put in the terminal area inside the sealing valve of the nozzle IN joint 5 Take up the sealing valve remove the makeup ink IN joint and remove the sealing valve A Lift the fore of the sealing valve as in the drawing B When the O ring P2 2 is remained at the heating unit remove it Sealing valve...

Page 151: ...g the makeup ink on the O ring and confirm that the O ring does not jump out of the hole C Be careful not to apply the makeup ink to the A portion below 9 Attach the sealing valve presser foot and fix the sealing valve 10 Put the filter and the nozzle IN joint in this order and fix it by the nozzle IN joint presser foot A Refer to the nozzle replacement work sequence 11 Assemble the sealing valve ...

Page 152: ...remove the heating unit Caution Lead wires and tubes are laid over the heating unit When the heating unit is removed do not pull them accidentally 7 Prepare a new heating unit and put an O ring in the terminal area of the ink furnishing tube E Caution A Use an O ring of P 1 7 hole diameter about φ1 6 B Be sure to put the O ring so as not to jump out of the hole of the joint portion 8 Attach the he...

Page 153: ...nvironment setup screen from the Maintenance menu screen and change the Ink temperature correction to 1 enable 15 Confirm the print state In the case where the set value of the excitation voltage is changed at the occurrence of fault reset the set value 6 7 Gutter base group Replacement Procedure When damaging the gutter and the gutter base the gutter base group must be replaced Perform it by the ...

Page 154: ...he fastening screw between the head base and the head cable and remove the head base 11 Attach a new head base Caution A Do not mix up lead wires and tubes which each is disposed on the front face nozzle side and the back face high voltage cable side Front face ink furnishing tube E makeup ink tube R circulation tube J air purge Back face excitation signal wire pull it out from the head base openi...

Page 155: ...dge of the head base 15 Attach the APH board and solder the video signal wire Caution A The construction of the video signal wire is as follows core wire signal side peripheral ground wire GND side B The core wire is very thin and therefore be careful to the breaking of wire Signal side soldering GND side soldering Heater Heater spacer Deflecting base Heater Heater spacer packing Heater packing De...

Page 156: ... so as not to crush a tube 20 Connect the excitation connector and attach all of covers so as not to enwind wires 6 9 Replacing EZJ98 Board APH Sensor Board 1 Remove the head cover and head base back cover 2 Use soldering iron to unsolder the coaxial cable Caution Do not apply excessive heat Doing so will melt the resin conductor which could cause a short circuit between the core wire signal line ...

Page 157: ...e heat Doing so will melt the resin conductor which could cause a short circuit between the core wire signal line and shielding wire ground 6 Perform the automatic phase gain adjustment Caution If the APH sensor is removed from head base for adjustment the insulation tube 5 mm long may become detached If it does be sure to reattach the insulating tube during reinstallation Screw for APH sensor Scr...

Page 158: ... 3 4 Target Sensor Fault 052 7 3 5 Target Spacing Too Close 053 7 3 6 Print Data Changeover In Progress S C M V 054 055 058 059 7 3 7 Blank Print Items 056 7 3 8 Excessive Format Count 057 7 3 9 Substitution Character Undefined 061 7 3 10 Ink Drop Charge Too High 042 7 3 11 Internal Communication Error C M 062 063 7 4 Warning conditions printing continuously performed 7 4 1 Ink Shelf Life Exceeded...

Page 159: ...ting initiation failure in ready state 7 5 8 No ink ejection from nozzle 7 5 9 Freeze of display 7 6 Miscellaneous 7 6 1 Problems due to inappropriate ink stream position in charged electrode 7 6 2 Problems due to inappropriate ink stream position to gutter 7 6 3 Increase of dot missing 7 6 4 Handling of the charge related faults 7 6 5 Failure of adjustment of excitation voltage 7 6 6 System Error...

Page 160: ...ensor section to its position Return the sensor section to its position Ink Low Is the fault cleared by pressing the Clear key Is an insoluble substance deposited on the sensor Is the EZJ93 board CN6 connector disconnected Connect the CN6 connector No Yes No Disconnect the CN6 connector then reconnect it Is the fault cleared by power on reset END 1 OK Yes 3 Is the connection harness conducting Rep...

Page 161: ...e and clear the fault by pressing the Clear key No Yes Yes Open the maintenance cover Turn OFF the power and then pull out the sensor No Is the initial level sensor ON No Replace the EZJ93 board Yes Is there a creepage leak between the ground electrode and the over fill electrode of liquid level detection of the main tank Check it by mounting and removing the harness Remove the ink adhering onto t...

Page 162: ...tor disconnected See the overall wiring diagram Turn OFF the power Yes No No Yes Yes Connect the sensor connector No Disconnect the CN6 connector then reconnect it Is the fault cleared by power on reset No Is the EZJ93 board CN6 connector disconnected Connect the CN6 connector Is the connection harness conducting Replace the connection harness Yes END Yes Yes No OK NG END Replace the sensor Replac...

Page 163: ... makeup ink valve operate when you force it to Resume the operation Yes No No Does the initial level sensor operate Disconnect the connector then reconnect it No Is the EZJ93 board CN5 or MV7 connector disconnected Connect the connector Yes Does the replenishment Time out fault recur Yes No Yes Yes Replace the MV7 makeup ink valve or MV2 Replenishment valve unit Does the replenishment Timeout faul...

Page 164: ...ink Yes Yes Yes No No Is the ink properly atomized Change the excitation voltage setting to assure proper atomization No Yes Is the nozzle clogged or the ink stream bent 1 No Replace the EZJ93 board Remove the orifice plate from the nozzle subject it to ultrasonic cleaning reinstall it and adjust the beam Execute the Nozzle Backwash function from the circulation control screen If the problem is no...

Page 165: ...nector Yes No Yes No END Is the problem fixed No Yes Replace the high voltage power supply Is the ink stream being ejected from the nozzle See under No ink ejection from nozzle See under Ink Drop Charge Too Low Yes No END Is the problem fixed No Yes Replace the EZJ94 board Replace the print head END Is the problem fixed No Yes Replace the EZJ93 board Is the gutter section soiled No See under Ink D...

Page 166: ...head and printer main body are not in contact with the other equipment Does the noise fault recur END Replace the EZJ93 board Replace the multiple power supply Is the IJ printer connected to its dedicated ground Properly establish the ground connection Yes No No Yes Yes No Does the noise fault recur Yes No Clear the fault Restart the IJ printer ...

Page 167: ... position No 1 Press the Clear key to clear the fault Press the Start up key to restart the IJ printer Press the Clear key to clear the fault Press the Startup key to restart the IJ printer Execute the Ink circulation function from the circulation control screen If the problem is not fixed Replace the recovery filter see under Recovery filter replacement procedure If the problem is not fixed Execu...

Page 168: ...igh voltage power supply unit No Yes Is the alarm issued Has the ink makeup ink reached the nozzle head back surface Wipe the entered ink makeup ink away with JK wiper and allow the print head rear surface to thoroughly dry Yes No Replace the ink Replace the EZJ94 board Resume the operation No Yes Is the alarm issued Replace the EZJ93 board Resume the operation Yes No ...

Page 169: ...isconnected Connect the connector Disconnect the connector and then reconnect it Does the printer become ready for printing Yes No END Yes No Replace the high voltage power supply unit Does the printer become ready for printing Yes No Replace the EZJ94 board END Does the printer become ready for printing Yes No Replace the EZJ93 board END ...

Page 170: ...connector DC Power Supply Fan Fault Is the multiple power supply fan running No Is the EZJ93 CN9 connector or multiple power supply CN4 connector disconnected Yes Replace the multiple power supply No END Is the problem fixed No Yes Replace the EZJ93 board ...

Page 171: ...ove the print head cover Pour the makeup ink over the charge electrode area to clean it Yes Replace the EZJ93 board No Does the printer become ready END Yes Replace the print head No Does the printer become ready Replace the EZJ94 board Does the printer become ready Yes No Replace the multiple power supply Does the printer become ready Yes No ...

Page 172: ...esume the operation Replace the EZJ93 board Does the fault recur upon power on reset No Yes F Memory Fault M S Resume the operation Does the fault recur upon power on reset No Yes F Memory Fault 9 Does the fault recur when the EZJ99 board is attached No Yes Replace the EZJ93 board Replace the EZJ99 board ...

Page 173: ...ware Error C Hardware Error C Replace the EZJ104 board Resume the operation Is the CN2 connection on the EZJ104 board in poor contact Yes No Normality is restored when the connector is disconnected and then reconnected ...

Page 174: ...Instruction manual Caution Ink Heating Too High Clear the fault Restart the IJ printer See Section 6 5 8 No ink ejection from nozzle Does the ink jet out Yes No Disconnect EZJ94 board CN7 connector and reconnect it Replace the heating unit Replace the EZJ94 board Does the fault recur Yes No Resume the operation Does the abnormality recur Yes No Clear the fault From the maintenance screen place the...

Page 175: ... this fault the IJ printer automatically sets the Ink temperature correction to disable System environment setup Ink temperature correction enable Æ disable After getting rid of the fault reset the Ink temperature correction to enable System environment setup Ink temperature correction disable Æ enable In the condition of the Ink temperature correction disable the Ink temperature correction confir...

Page 176: ...utomatically sets the Ink temperature correction to disable System environment setup Ink temperature correction enable Æ disable After getting rid of the fault reset the Ink temperature correction to enable System environment setup Ink temperature correction disable Æ enable In the condition of the Ink temperature correction disable the Ink temperature correction confirmation message appears each ...

Page 177: ...or and reconnect it Replace the print head Replace the EZJ93 board Resume the operation Does the fault recur Yes No Does the fault recur Yes No Viscometer Temperature Sensor Fault Pull out and insert the connector CN6 of the EZJ93 board Replace the thermistor Replace the EZJ93 board Resume the operation Does the fault recur Yes No Does the fault recur Yes No ...

Page 178: ...Replace the EZJ93 board Resume the operation Replace cooling fan Does the fault recur Yes No Does the fault recur Yes No Pump Motor Fault Pull out and insert the connector CN2 of the EZJ93 board and the pump motor connector Replace the EZJ93 board Resume the operation Replace the pump motor Does the fault recur Yes No Yes No Does the fault recur ...

Page 179: ...ng operation less than 10 ms Set the time interval between the end of a printing operation and the beginning of the next printing operation to 10 ms or longer Set the repeat printing intervals to the printing time plus 10 ms or longer Replace the EZJ93 board No Yes Yes Yes No Perform sensor filter setup Yes No Resume the operation Is the print start signal chattering Are the repeat printing interv...

Page 180: ...et at the end of the cover damaged or missing Properly install the magnet Yes Yes Yes No No Is the EZJ94 board CN7 connector disconnected Connect the connector Replace the EZJ93 board No Yes No Open the print head rear cover and position the magnet close to the cover switch Does the cover switch conduct Press the Clear key to clear the fault Resume the operation Replace the cover switch No Yes ...

Page 181: ...nting function required No Set the Repeat count to 0000 Replace the EZJ93 board Yes No Resume the operation Decrease the clearance between the print head and print target detector Yes Ensure that the print start signal does not chatter any longer Yes No Is the print start signal chattering No Is the Repeat count is set to 0000 from the print specifications screen ...

Page 182: ... setting is greater than necessary for the sensor normal ON time Select a setting that is greater than necessary Does the sensor turn ON and OFF Clean the sensor to eliminate any obstacle Replace the sensor No Yes No If the problem is not fixed Yes No No Yes Replace the EZJ95 board Replace the EZJ93 board Yes Clear the fault Resume the operation Is there any dirt buildup or other obstacle on the s...

Page 183: ...int targets between the sensor and print head No Replace the EZJ93 board Decrease the clearance between the sensor and print head and reduce the number of workpieces between the sensor and print head to four or less Yes The print target detection signal entered while the printer was not ready See that the print target detection signal enters after a while SUPPLEME Print Data Changeover In Progress...

Page 184: ...he operation SUPPLEMENT Columns differing in the line count line spacing or dot matrix will be handled as different formats Blank Print Items Does any print item consisting of Blank characters alone exist Adjust the print contents so that print items consisting of Blank characters only no longer exist Yes No Resume the operation Does any item of the EAN 13 format be inputted less than 10 character...

Page 185: ...ined Substitution Character Undefined Is character substitution setup performed for the calendar character Year Open the year substitution rule setup screen and enter a substitution character in an undefined field Yes No Resume the operation ...

Page 186: ...ulation control screen If the problem is not fixed Remove the orifice plate from the nozzle Reinstall it after subjecting it to ultrasonic cleaning Adjust the beam position If the problem is not fixed Perform Gutter cleaning from the circulation control screen If the problem is not fixed Replace the recovery filter see the recovery filter replacement procedure Is the gutter section soiled Clean th...

Page 187: ...inter with the high voltage power supply unit high voltage output FASTON terminal disconnected Replace the high voltage power supply unit Yes No Has the ink makeup ink reached the print head rear surface See the section on print head operation and replacement Wipe the entered ink makeup ink away with JK wiper and allow the print head rear surface to thoroughly dry Yes No Replace the EZJ93 board Re...

Page 188: ...disconnected or in poor contact Is the EZJ93 board CN3 connector disconnected or in poor contact Normality is restored when the connector is disconnected and then reconnected Replace the EZJ104 board Yes Yes No No Resume the operation Does the fault recur Yes No Replace the EZJ93 board Does the fault recur Yes No ...

Page 189: ...since last ink replacement Was the Ink operating time set to 0 from the operation management screen when the ink was replaced last Replace the ink and set the Ink operating time to 0 from the operation management screen Enter the cumulative ink ejection time elapsed since last ink replacement in the Ink operating time field of the operation management screen Enter the standard ink life limit value...

Page 190: ...he connector Yes No Yes No Replace the EZJ94 board Is the operating temperature upper lower limit value erroneously set Properly set the operating temperature upper lower limit value Use an air conditioner or the like to ensure that the IJ printer ambient temperature is within the operating temperature range No Yes Is the problem fixed No Yes Replace the print head END Is the problem fixed No Yes ...

Page 191: ...ing was installed check whether the printer was operated at a low ambient temperature Ink Heating Too Low Disconnect the EZJ94 board CN7 connector and reconnect it Replace the heating unit Replace the EZJ94 board Is the warning issued again Yes No Resume the operation Is the warning issued again Yes No Replace the EZJ93 board Is the warning issued again Yes No ...

Page 192: ...connector is disconnected and then reconnected Product Speed Matching Error Resume the operation The frequency of the encoder signal is exceeding the printing capability of the IJ printer Lower the frequency of the encoder signal or increase its dividing ratio Note that the printed character width will change if the Pulse rate div Factor is changed See 1 5 3 6 Rotary encoder signal input in the In...

Page 193: ...in the upper and lower limits Check the indicated value and standard value of the ink pressure on the Operation management screen Can the pressure be adjusted by the pressure reducing valve Replace the three way valve filter Replace the pressure reducing valve Replace the pressure sensor Is the warning released Yes Yes Yes No No No Yes No Can the pressure be adjusted by the pressure reducing valve...

Page 194: ... clockwise and reduce the pressure to be within the upper and lower limits Check the indicated value and standard value of the ink pressure on the Operation management screen Can the pressure be adjusted by the pressure reducing valve Replace the pressure reducing valve Replace the pressure sensor Is the warning released Yes No No No Yes No Can the pressure be adjusted by the pressure reducing val...

Page 195: ...ocessing status approx 12 minutes after calibration starts Does calibration finish normally No Yes Press Execute The coefficient is determined The viscosity during operation is measured immediately before ink is refilled once every 30 minutes If unevenness occurs in measurement result ink will be refilled by referring to the dot count measurement result without regard to the viscosity measurement ...

Page 196: ... Yes No Perform the viscometer calibration Perform the viscometer operation test on the Circulation system control screen Replace the proximity sensor Disassemble and clean the viscometer Replace the viscometer Is it normally measured Is it normally measured Yes Yes No No Replace the ink Is it normally measured Yes No ...

Page 197: ...he ink reservoir Replace the ink Has the viscosity increased Yes No Operate the printer for an hour or so and check the ink viscosity Low Ink Concentration Resume the operation Is the printing quality normal Yes No Check the printing quality Replace the ink in the ink reservoir Replace the ink Has the viscosity decreased Yes No Operate the printer for an hour or so and check the ink viscosity ...

Page 198: ... Review Resume the operation Readjust the excitation setup High Air Pressure Continue operation Confirm pressure scale of filter regulator Is it within adjustment range 0 10 0 11MPa Shut off pressure supply Can alarm be reset YES NO Adjust pressure YES NO Replace pressure switch ...

Page 199: ...setting is within the specified limits Chipped print Replace the ink Adjust the ink stream position so that the ink stream is centered with respect to the gutter No Is the ink stream positioned at the center of the gutter Yes Is the ink pressure higher that the specified limit No Yes Has the operating time exceeded the ink shelf life No Yes Resume the operation Pour the makeup ink over the gutter ...

Page 200: ... respect to the gutter No Is the ink stream positioned at the center of the gutter Yes Is the ink pressure lower than the specified limit No Yes Is it possible to make normal prints with the ink pressure raised above the specified limit Pour the intensifier over the deflection electrode to clean it No Is there any ink or dirt buildup on the plus deflection electrode Yes Missing dots Direction of d...

Page 201: ... print target Yes No Is the ink pressure within the specified range No Yes Yes Is the normal height obtained when the ink pressure is raised above the specified limit No Adjust the charge voltage Is the charge voltage properly adjusted Yes No Resume the operation Adjust the character height setting Adjust the ink pressure until it is within the limits Can the ink pressure be adjusted No Yes Replac...

Page 202: ...ure until it is within the limits Replace the ink Has the operating time exceeded the ink shelf life No Yes Adjust the excitation voltage and pressure to ensure proper ink drops generation Are ink drops properly generated Yes No Yes Is the normal height obtained when the ink pressure is raised above the specified limit No Can the ink pressure be adjusted No Yes Resume the operation Adjust the char...

Page 203: ...e to ensure proper ink drops generation Are ink drops properly generated Yes No See under Chipped print Ensure that the operating temperature is within the specified limits Is the operating temperature with the specified limits Yes No Ensure that the work surface is free from coating application irregularities water drops dirt oil and other foreign matter Resume the operation Are normal prints obt...

Page 204: ...lowout Is the ink stream bent dislocated from the gutter or brought into contact with the gutter edge Clean the orifice place with the intensifier Clean the orifice plate and the inside and outside of the nozzle head cover with the makeup ink and then allow them to thoroughly dry Is the ink stream bend corrected Execute the nozzle backwash function Is the ink stream bend corrected Remove the orifi...

Page 205: ...rom the IJ printer screen Resume the operation Replace the EZJ93 board Is the high voltage cable disconnected Replace the EZJ95 board Yes Yes Does the obtained print consist of spaces only No No No Is the cable between the EZJ93 board CN7 connector and EZJ95 board CN1 connector disconnected Yes No Place the printer in The Ready state No Yes Yes No Yes No Is the print start delay setting proper Are...

Page 206: ...k is thin and disordered prints are encountered replace the ink Is the problem fixed No Yes No Yes No No Is the EZJ93 board CN2 connector junction connector or supply pump CN1 connector disconnected Replace the EZJ93 board Yes No Is the supply pump running No Yes Does three way solenoid valve MV9 operate No Yes Yes Replace the pressure reducing valve Replace the circulation unit Connect any discon...

Page 207: ...lace the control panel assembly Attach the panel protection sheet correctly Freeze of display Yes No Resume the operation Remove the panel protection sheet Turn off and on the power switch Does the screen operate normally Yes No Disconnect and reconnect the CN10 of EZJ104 board Does the screen operate normally Yes No Replace the EZJ104 board Does the screen operate normally Yes No ...

Page 208: ...s not used for printing is abnormal those ink drops will be excessively deflected by the deflecting field and cannot enter the gutter hole Therefore the gutter will be dirty causing an alarm of either Ink Drop Charge Too High or No Ink Drop Charge Check the ink stream passing position in charge electrode and adjust the electrode so that the ink stream passes through its center Adjustment procedure...

Page 209: ...ment which will cause the lower dots of printing to be missing See section 6 5 1 for details 3 The ink drops charged for auto phase detection are deflected by the deflecting field Therefore the ink stream position is deflected to the positive electrode from the center of gutter If A is larger than 2B as shown in figure below the ink drops may hit the end surface of gutter Check the ink stream posi...

Page 210: ...ing abnormal status continues Deflection direction Dot missing 1 When equipment was in the ink jetting status standby status but ink was not jetted due to clogging of nozzle etc and equipment was left as was 2 Moisture dust etc entered the ink If dot missing increases perform the following troubleshooting referring to the instruction manual 1 Replace the ink filter 2 Replace the ink Dot missing De...

Page 211: ...tected in the ready state only Model PXR and PX Faults Ink ejection Conditions that the fault occur No Ink Drop Charge Ink is stopped Ink ejection is kept in case of the maintenance mode The APH waveform is checked and the fault occurs when the APH signal is not detected in a given time The ink stream bent is detected The fault is detected in the standby state also Ink ejection is kept when the IJ...

Page 212: ...e problem fixed Is the problem fixed Is the problem fixed Is the problem fixed Is the problem fixed Replace the Nozzle Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No No No Failure of adjustment of excitation voltage Disconnect and reconnect the EZJ94 board CN5 connector correctly Is the EZJ94 board CN5 connector disconnected or in poor contact Correct the excitation voltage settin...

Page 213: ...rd or the data write in fail to memory card is considered System Error 1 79 Does the fault restore Yes Replace the EZJ104 board No Resume the operation Insert the system data memory card and turn on the power switch System Error 80 or more Make a system data memory card again Insert the new system data memory card and turn on the power switch to restore Does the fault restore Yes No Resume the ope...

Page 214: ...8 1 8 Attached Drawing 8 1 Circulation System Diagram 8 1 1 Circulation System Diagram PXR D PXR H ...

Page 215: ...8 2 8 1 2 Circulation system diagram PXR P ...

Page 216: ...8 2 Air system diagram PXR P 8 3 ...

Page 217: ...8 4 8 3 Electrical Connection Diagram 8 3 1 Electrical Connection Diagram PXR D ...

Page 218: ...8 5 8 3 2 Electrical Connection Diagram PXR H ...

Page 219: ...8 3 3 Electrical connection diagram PXR P 8 6 ...

Page 220: ...N Eject makeup ink 3 ON 0 5 1 ON 7 Eject ink 3 ON 4 ON 1 6 4 ON 1 ON 2 ON 5 ON 2 ON 8 Suck air in the nozzle 3 ON 3 9 Detect bent beam 3 ON 3 4 ON 2 ON 1 ON 10 Suck air in the nozzle 3 ON 20 11 2 ON Interval for stable pressure 5 4 ON 1 ON 2 ON 3 ON 1 ON 12 Refresh ink the MV2 path 30 1 ON 2 ON 2 ON 3 ON 1 ON 3 ON 1 ON ON 5 ON 30 Detect bent beam Suck air in the nozzle and stir ink in the tanks In...

Page 221: ...tion Remarks Step 1 2 7 8 4 5 9 10 11 Outline Interval Pre heating Pressurize supply path Suck circulation path Eject ink Suck air in the nozzle Interval for stable pressure Standby Time sec Stop stirrer Stir ink in the tanks PXR P 1 5 5 15 5 1 3 15 3 20 ON ON 4 ON 3 ON 1 ON ON ON 2 ON 2 ON 3 ON 3 ON 2 ON 2 ON MV2 Replenishment MV1 Supply MV3 Recovery 2 ON 4 ON 4 ON 3 ON 3 ON MV4 Agitation 2 ON 2 ...

Page 222: ...the supply path Pressurize the makeup ink path Eject makeup ink Check the MV8 OFF Pressure relief Outline High voltage OFF Interval 15 11 12 13 5 1 2 10 11 13 14 0 7 20 6 7 8 9 2 3 4 5 Step 1 Cleaning stop PXR P Operation Shut down Shut down or Circulation Control Cleaning stop Remarks Outline Time sec Sequence Name Pump MV9 Shutoff MV2 Replenishment MV3 Recovery MV4 Agitation Pressure relief the ...

Page 223: ...8 10 8 5 Dimensions around charge electrode and deflection electrode Nozzle diameter 40 um Nozzle diameter 65 um Nozzle diameter 100 um Nozzle diameter 55 um ...

Page 224: ...60 167 173 JP B27 Temperature Excitation voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 20 75 84 93 101 110 119 128 137 146 155 164 173 182 191 200 209 218 227 236 245 30 60 67 75 82 89 96 104 111 118 125 133 140 147 154 161 169 176 183 190 198 40 46 51 57 62 68 73 79 84 90 95 101 106 112 117 123 128 134 139 145 150 45 46 51 57 62 68 73 79 84 90 95 101 106 112 117 123 ...

Page 225: ... 157 163 169 45 52 58 64 70 76 83 89 95 101 107 114 120 126 132 138 145 151 157 163 169 JP K62 Temperature Excitation voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 20 98 110 122 134 146 158 169 181 193 205 217 228 240 252 264 276 287 299 311 323 30 81 91 101 111 121 130 140 150 160 169 179 189 199 208 218 228 238 248 257 267 40 64 72 80 88 95 103 111 119 126 134 142 1...

Page 226: ... 152 159 166 172 179 186 45 49 55 61 67 73 78 84 90 96 102 108 114 120 126 132 137 143 149 155 161 JP K70 Temperature Excitation voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 20 77 86 96 105 114 123 133 142 151 160 170 179 188 197 207 216 225 234 244 253 30 62 70 77 85 92 100 107 115 122 129 137 144 152 159 167 174 182 189 197 204 40 47 53 59 64 70 76 82 87 93 99 104 ...

Page 227: ...90 94 98 101 45 30 30 30 30 30 30 31 33 35 37 39 42 44 46 48 50 52 54 56 58 JP W73 Temperature Excitation voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 20 111 124 137 151 164 177 190 204 217 230 244 257 270 283 297 310 323 336 350 363 30 100 112 124 136 148 160 172 185 197 209 221 233 245 257 269 281 293 305 317 329 40 90 101 111 122 133 144 155 165 176 187 198 209 21...

Page 228: ...6 17 18 19 0 20 52 59 65 71 78 84 90 96 103 109 115 122 128 134 140 147 153 159 166 172 30 43 48 53 59 64 69 74 79 84 90 95 100 105 110 115 121 126 131 136 141 35 38 43 48 52 57 61 66 71 75 80 84 89 94 98 103 108 112 117 121 126 40 34 38 42 46 50 54 58 62 66 70 74 78 82 86 90 95 99 103 107 111 JP K61 Temperature Excitation voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0...

Page 229: ...8 337 355 360 360 360 360 360 360 360 360 30 129 145 160 176 191 207 222 238 253 269 284 300 315 331 346 360 360 360 360 360 35 117 131 145 159 173 188 202 216 230 244 258 272 286 300 314 328 342 356 360 360 40 105 118 131 143 156 168 181 194 206 219 232 244 257 270 282 295 307 320 333 345 JP R27 Temperature Excitation voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 20 ...

Page 230: ...voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 28 40 45 50 54 59 64 69 74 78 83 88 93 98 102 107 112 117 122 126 131 30 40 45 50 54 59 64 69 74 78 83 88 93 98 102 107 112 117 122 126 131 35 40 45 50 54 59 64 69 74 78 83 88 93 98 102 107 112 117 122 126 131 40 40 45 50 54 59 64 69 74 78 83 88 93 98 102 107 112 117 122 126 131 JP K69 Temperature Excitation voltage settin...

Page 231: ... 51 58 65 72 79 86 93 100 107 114 121 128 135 142 149 156 163 30 31 38 44 51 57 64 71 77 84 90 97 104 110 117 123 130 137 143 150 156 35 35 41 46 52 57 63 68 74 79 85 90 96 101 107 112 118 123 129 134 140 40 39 43 48 52 57 61 65 70 74 79 83 87 92 96 101 105 109 114 118 123 JP K68 Temperature Excitation voltage setting value C 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0 28 82 91 99 107 115 ...

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