DTG M2 Instructions d'utilisation et de sécurité
Revision Date / Version: 2/13/2014 - 7
PRINTHEAD CABLE REPLACEMENT:
1. Release carriage from capping station and roll out to middle of printer. (Indicated below 1-A)
Place rag under the area you are working on.Just to catch any ink that might be dropped during
the install.
2. Release pressure off of the CMYK lines by loosening the caps on the ink bottles.
(Indicated on pg.2 Fig. 1-C)
3. Unscrew two thumscrews from carriage (Indicated below 1-A)
Fig 1-A
Fig 1-B
M2 (PRINTHEAD CABLE REPLACEMENT)
(Always POWER DOWN printer and UNPLUG before doing any repair work)
Two “thumscrews” that hold the “RETAINER BAR” to the carriage.
Remove those screws in order to remove retaining bar.
Carefully slide “RETAINER BAR” out
RETAINER BAR
“White Ink Manifold”
lift up on this to get the white ink dampers off
Revision Date / Version: 2/13/2014 - 7
4. Carefully slide the “RETAINER BAR” out (indicated previous page 1-B)
5. Insure that the CMYK ink bottles have no pressure by loosening the bottle caps (Indicated below 1-C)
6. Pull the CMYK dampers off one at a time. Then pull the white ink dampers out (white ink
are all connected through the White Ink Manifold)they will all come out together. (Indicated below 1-D)
Fig 1-C
Fig 1-D
M2 (PRINTHEAD CABLE REPLACEMENT)
(Always POWER DOWN printer and UNPLUG before doing any repair work)
Loosen CMYK caps to insure
that there is no pressure on those
ink lines.
NOTE:
Let the dampers hang loosely over the rag.
CMYK dampers will hang over the LEFT side,
and the WHITE will hang over RIGHT side.
Revision Date / Version: 2/13/2014 - 7
M2 (PRINTHEAD CABLE REPLACEMENT)
(Always POWER DOWN printer and UNPLUG before doing any repair work)
7. Gently pull the printhead out of the carriage. Be careful where you pull from, it’s best to use the
area indicated below . Sometimes it will require both hands to get the head out. Usually pushing
back, then lifting up, wiggling the head as you are lifting up.
Notice the adjustment screw, this screw has been factory set to keep the printhead tilt correct. We
do not want to adjust this screw. It’s best to work around it when replacing the printhead.
8. Pull the FFC cables straight out, be careful not to damage the “Teeth” on the cables.
(Indicated in 1-F and 1-G)
Fig 1-E
Fig 1-F Fig 1-G
WARNING:
Becareful not to damage the “FACE” of your printhead while installing the new one. NEVER touch the face of
the printhead or lay it face down on anything.
Place your fingers in the areas indicated (along the
walls on bothe sides of dampers recievers) . It might
take both hands.
ADJUSTMENT SCREW
Pull FFC cables straight out, be
careful not to damage “teeth”
Pull FFC cables straight out, be
careful not to damage “teeth”
Revision Date / Version: 2/13/2014 - 7
M2 (PRINTHEAD CABLE REPLACEMENT)
(Always POWER DOWN printer and UNPLUG before doing any repair work)
9. Notice which direction the cables are facing in relation to eachother. The “teeth” (electrical
tabs) are facing AWAY from eachother. (Indicated below 1-H)
10. Remove the black plastic cover (this houses the CR BOARD) (Indicated below 1-I)
Fig 1-H
Fig 1-I
Be sure to replace cables ONE AT A TIME, this insures
the placement and direction for the cables are correct.
UPPER SLOT CABLE
(SLOT 1 on printhead)
LOWER SLOT CABLE
(SLOT 2 on printhead)
Take the two screws holding the cover into place out. Slide the cover forward then remove.
(This will reveal the CR BOARD)
slide the cover forward
then lift to remove
M2 (PRINTHEAD CABLE REPLACEMENT)
(Always POWER DOWN printer and UNPLUG before doing any repair work)
Revision Date / Version: 2/13/2014 - 7
11. In some cases your NEW FFC cables will not be “PRE-FOLDED” to fit yout machine. If your
cables are “PRE-FOLDED” move on to step 12. If they ARE NOT “PRE-FOLDED” follow the
steps below.
Mark your EXISTING cables on the print head end. (Indicated below 1-J) ,then follow each cable to the
CR BOARD and mark it the with corresponding marks on that end. (Indicated below 1-K)
Then tape the EXISTING cables together (in this example I am using paper clips to hold the cables together)
Remove the cables from the CR BOARD and use them as a template to fold your new cables.
Fig 1-J
Fig 1-K
UPPER SLOT CABLE
(SLOT 1 on printhead)
LOWER SLOT CABLE
(SLOT 2 on printhead)
The fold doesn’t have to be an EXACT match, the
main goal is too insure that the cables are plugged in
correctly.
For example: The “1U” (SLOT 1 UPPER CABLE) is
plugged into the corresponding slot on the CR BOARD.
If the cables aren’t facing the right direction or the slot
on the head or CR BOARD are switched, the printer
will error upon start up.
12.Gently unplug your existing cables from the CR BOARD. Plug your new cables into
the CR BOARD. Be sure the teeth of the cables are facing correct way, start with slot 1.
(Indicated below 1-L)
Fig 1-L This is the correct position
for the UPPER SLOT CABLE
on the CR BOARD
(SLOT 1 on printhead)
(J205 to HEAD CN2)
This is the correct position
for the LOWER SLOT CABLE
on the CR BOARD
(SLOT 2 on printhead)
(J204 to HEAD CN1)
M2 (PRINTHEAD CABLE REPLACEMENT)
(Always POWER DOWN printer and UNPLUG before doing any repair work)
Revision Date / Version: 2/13/2014 - 7
13. Connect the FFC cables to your new printhead. Insure that you are placing the correct cable
into the correct slot on the head. Start with Slot one, and then insert slot two. (Indicated below 1-M)
14. Carefully re-seat the print head back into carriage. Be careful not to touch or damage the
printhead “FACE”, push back on head and wiggle into position. (Indicated below 1-N)
Ensure that the head is placed correctly, check that it is FLUSH with black plastic ramps on either
side. (Indicated below 1-O)
Fig 1-M
Fig 1-N
Fig 1-O
Insert FFC cables into new printhed. Start with the SLOT 1, and insure that the cable teeth are facing the
right way. Line up the cable into the SLOT before you push inn, be careful not to damage cable teeth.
SLOT 2 (lower slot)
SLOT 1 (upper slot)
Ensure that printhead face is flush with
these plastic black “ramps”
Revision Date / Version: 2/13/2014 - 7
11. Carefully re-seat the white dampers first. (Indicated below 1-P)
12. Re-Seat the CMYK dampers next, be sure to place the colors back into the correct order.
(from left the order should be BLACK, CYAN, MAGENTA, YELLOW) (Indicated below 1-Q)
Fig 1-P
Fig 1-Q
M2 (PRINTHEAD CABLE REPLACEMENT)
(Always POWER DOWN printer and UNPLUG before doing any repair work)
Be sure to place the CMYK dampers back in the correct order
from left the order should be BLACK, CYAN, MAGENTA, YELLOW
Revision Date / Version: 2/13/2014 - 7
(Always POWER DOWN printer and UNPLUG before doing any repair work)
13. Re-Seat the retainer bar. Push down on tabs on reatainer bar as you are putting the
thumbscrews back in. This ensures that printhead stays flush with ramps, and that dampers are
seated correctly. (Indicated below 1-R)
14. Re-check printhead and insure everything is placed correctly. (Check damper order, and
printhead flush with plastic black ramps)
15. After double checking everything, we can dock the carriage back over the capping station,
restart printer, tighten the CMYK bottle caps.
16. Do at least 2 head cleanings in order to prime the new head and pull out any air that got into
dampers or ink lines. It also helps to wait about 10 minutes after head cleanings, just to allow any
to find it’s way out.
17. Do a nozzle check, the first one usually comes out a little spotty, at this point you can normally
begin printing as usual.
Fig 1-R
M2 (PRINTHEAD CABLE REPLACEMENT)
Push down on retainer bar tab while putting thumbscrew back into place.
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