MIMAKI JV3 Series User manual

1-2. Remove the two indicated screws and

remove the Head Cover Bracket.

1-4a. Loosen the two screws that secure the

Damper Holder Bracket, tilt up and remove.

1-5. Unplug the pair of FPC Cables from the

head you wish to replace and tuck cables

up out of the way. Using long-nose pliers as

shown, remove each of the two Dampers.

Be especially careful not to drip ink onto

FPC Cables or contacts on Head!

1-6.If replacing multiple Heads it is a good

idea to label the position of each Damper.

Newer models may already have a small

ID tag on each ink line. Take care not to

touch or damage the clear membrane on

back of Damper!

1-7. Tape ink lines and Dampers out of the

way. Lift off the plastic Damper Holder that

covers the head. Remove the hex screw

from front and rear of Head Adjusting Plate.

1-8. Wipe any ink from the damper projec-

tions. Grasp damper projection nearest to

you. Using tweezers or needle-nose pliers

to compress the spring, tip head forward

and lift to remove.

1-3. Use a coin to ensure that Head-Lock

Screws are tight then remove screws on

left and right ends of Head Lever Bracket.

Remove entire Head lever taking care not to

damage Head FPC Cables.

1. Removal of Damaged Print Head:

1-1. Ensure both power switches are off.

Move Carriage out over Platen by hand.

Remove indicated screws and remove Head

Cover.

1-4b. Left screw is accessed through this

opening in Head Bracket and Cutter Brack-

et.

Lift straight up

Important:

Water-based transportation liquid

(S-46), supplied in the head at the

time of shipment, reacts to solvent ink

and may cause clogging. Therefore,

it is necessary to wash the new head

before proceding with installation.

2-3. Insert hex screws in holes at front and

rear of Head Adjusting Plate.

2-4. Before installing new Head inspect the

area where Head will sit for any debris such

as dried ink. Clean with Solvent (SPC-0336)

if neccessary.

2-5. Grasping damper projection, place

Head in position. Install, but do not tighten

the front and rear hex screws.

2-2. Fill syringe with 6-8 cc of S-Head

Replacement Solution. Inject approx 3-4 cc

into each Damper Insertion Projection over

a period of about 30 seconds. Head can be

damaged if ﬂuid is injected too fast.

2. Installation of New Head:

2-1. Unpackage new head. Copy down the

new Head ID exactly as it appears on head.

1-9. Head and Adjusting Spring removed.

If head is covered by warranty, ﬂush, drain,

place rubber cap over nozzles and package

ready for return to Mimaki USA.

2-13. Perform a TEST DRAW to conﬁrm

that all nozzles are ﬁring correctly. Perform

additional Ink Fill Ups or Cleanings if nec-

cessary.

2-12. Perform an Ink Fill Up to ﬁll the new

Heads with ink (MAINTENANCE

 FILL

UP INK). As the printer is in Service Mode

you can choose just Pump 1 or Pump 2 if

desired.

2-8. Re-install the Dampers in their original

positions and ensure that they are prop-

erly seated. Re-install the Damper Holder

Bracket, the Head Cover Bracket and the

Height Adjustment Lever.

2.6. Grasp spring near onje end with needle-

nose pliers. Insert spring one end ﬁrst then

compress to complete installation. Lightly

tighten the front and rear hex screws.

2-7a. Thread Head FPC Cables back

through the Damper Holder. Cable HCN2

goes through the left slot and HCN1 through

the right. Blue side of cables face to the left.

2-7b. Connect the FPC cables, taking care

that they are seated correctly. A cable seat-

ed at and angle may short out, damaging

cable and head! Lower Damper Holder into

position.

2-11. Use the arrow keys to enter the new

Head ID. (#ADJUST HEAD ID). Ensure

that the correct Head is selected and all ID

values are entered correctly. Incorrect entry

will result in a error code.

2-10. Restore power to the printer and put

into Service Mode. (FUNCTION and RE-

MOTE keys are held as printer boots).

 



    

    

 

       



 





  

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

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





  



  

    

     

    

     





      

   

  

   

  



  

    

   



   

   



                   

                

                  

   

                  

      

              

                    

                 

                

         

        

                   

   

   

 

  



 

 

     









     

    

       

 

  

   



    

    







 

  

      

      

  





 

     

 

 

  

  



    

   

I 







   

 

  

 

    

    





 



 

  

    

   

   

           

                

                      

    

                 

   

                 

                  



           

    

 

 

 

















   

  

 







      

   

 



 

  

   













     













 

   

   

  













 

  

   

                               











           

                

                       

  

               

          

          

    

         

 

    

    



 

 

         

    

 

 

         

        

  

 

   

 

 

    

  



 

   





          

                

                      

    

                 

  

   

                 

 

 

 

 

 

  

   

      

       

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