Cartridge cartridge, fluid ejection device, and method for reducing

Abstract

The invention provides a cartridge carrier, a fluid ejection apparatus, and a method for reducing damage to a flex circuit on a fluid ejection cartridge. A cavity is included in the cartridge carrier that holds a fluid ejection cartridge in a fluid ejection device. The cartridge carrier includes opposing side walls attached to the front wall, a bottom wall attached to the opposing side walls perpendicular to the front wall, and a top wall attached to the side walls and the front wall away from the bottom wall. The front wall has a plurality of electrical contact pins, and a first support projection disposed between the electrical contact pins and the top wall to be spaced apart from the electrical contact pins. The first support projection abuts a first cartridge projection of the fluid ejection cartridge to align the fluid ejection cartridge with the plurality of electrical contact pins when the fluid ejection cartridge is locked into the cartridge bracket.

Description

Technical Field

[0001] The present disclosure relates to an improved cartridge holder for a fluid ejection cartridge, a fluid ejection device, and a method for reducing damage to a flexible circuit of a fluid ejection cartridge. Background Art

[0002] Fluid ejection device 10 (eg, printer and digital distribution device (see Figure 1 )) includes: a cartridge carriage 12 (refer to Figure 2 ), the cartridge holder 12 is used to move the fluid dispensing cartridge in the x direction over the fluid receiving substrate. For some applications, the fluid jet cartridge has a single fluid jet head or multiple jet heads with a swath size of about 6 mm to about 13 mm. For other applications, a larger jet head with a swath size of about 25 mm to about 26 mm is used. A jet head with a larger or smaller swath size may also be used. Conventional cartridge holders are usually designed to be used for fluid jet cartridges with only one swath size.

[0003] Reference Figure 3 and Figure 4 In order to align the fluid jet tube 14 in the conventional tube holder 16, the tube holder 16 has a nose piece opening 18, and the nose piece opening 18 is designed to engage with the nose piece 20 of the fluid tube. The nose piece 20 includes a fluid jet head. Because the tubes of different strip width sizes have nose pieces of different sizes, therefore, the tube holder 16 is usually only compatible with a single fluid tube size and / or a single strip width size. If the fluid jet head and the nose piece are larger or smaller than the fluid jet head and the nose piece 20 of the fluid jet tube 14, different tube holders must be used.

[0004] The cartridge holder 16 also includes a contact pin 22 that is used with a contact pad 24 located on a flexible circuit attached to the fluid jet cartridge 14 to provide electrical control of the fluid jet. The nose opening 18 of the cartridge holder 16 is designed to provide a horizontal force on the nose 20 in the direction of arrow 26 to force the fluid jet cartridge 14 toward the contact pin 22. In order to properly insert the nose 20 of the fluid jet cartridge 14 into the cartridge holder 16, an insertion technique is used that causes the contact pad 24 located on the flexible circuit to scrape against the contact pin 22, thereby causing a circuit tear that may cause a circuit short if the power supply is not turned off when installing and removing the fluid jet cartridge 14 from the cartridge holder 16.

[0005] In the case of using the above-mentioned cartridge holder 16, there is a latch mechanism 28 for holding the fluid spray cartridge 14 in the cartridge holder 16, and the latch mechanism 28 is designed to apply a vertical force to the fluid spray cartridge 14 in the direction of arrow 30. The conventional latch mechanism 28 has a handle section 32 and a U-shaped biasing structure 34 pivotally connected to the cartridge holder 16. When the latch mechanism 28 is engaged with the fluid spray cartridge 14, the handle section 32 may snap down to contact one side of the fluid spray cartridge 14. The latch mechanism 28 with the handle section 32 may snap down and contact the fluid spray cartridge 14, which may cause air to be sucked into the fluid spray cartridge 14 through the spray head, causing operational problems with the fluid spray cartridge 14.

[0006] Therefore, there is a need for a single cartridge holder that enables the use of a variety of fluid cartridge sizes and strip width sizes and yet avoids the above-mentioned problems associated with electrical contact damage and air ingestion. Summary of the invention

[0007] In summary, embodiments of the present disclosure provide a cartridge holder and a method for reducing damage to a flexible circuit on a fluid jet cartridge. A cavity is included in the holder, and the cavity is configured to hold the fluid jet cartridge in a fluid jet device. The cartridge holder includes: a front wall, an opposite side wall attached to the front wall, a bottom wall attached to the opposite side wall perpendicularly to the front wall, and a top wall attached to the opposite side wall and the front wall away from the bottom wall. The front wall has: a plurality of electrical contact pins, and a first support protrusion disposed between the plurality of electrical contact pins and the top wall to be spaced apart from the plurality of electrical contact pins. The first support protrusion is configured to abut against a first cartridge protrusion of a first fluid jet cartridge to align the first fluid jet cartridge with the plurality of electrical contact pins when the first fluid jet cartridge is locked into the cartridge holder.

[0008] In another embodiment, a cartridge holder is provided, which is configured to accommodate a plurality of different fluid jet cartridge sizes of a fluid jet device. The cartridge holder has a front wall, an opposite side wall attached to the front wall, a bottom wall attached to the opposite side wall perpendicular to the front wall, and a top wall attached to the opposite side wall and the front wall away from the bottom wall. The opposite side wall, the front wall, the bottom wall, and the top wall together define a cavity in the cartridge holder that is configured for the plurality of different fluid jet cartridge sizes. The front wall includes a plurality of electrical contact pins, and at least two spaced apart support protrusions located between the plurality of electrical contact pins and the top wall. A first support protrusion of the at least two spaced-apart support protrusions is configured to abut against a first cartridge protrusion of a first fluid jet cartridge to align the first fluid jet cartridge with the plurality of electrical contact pins when the first fluid jet cartridge is locked into the cartridge holder, and a second support protrusion of the at least two spaced-apart support protrusions is configured to abut against a second cartridge protrusion of a second fluid jet cartridge to align the second fluid jet cartridge with the plurality of electrical contact pins when the second fluid jet cartridge and an adapter for the second fluid jet cartridge are locked into the cartridge holder.

[0009] In some embodiments, the cartridge holder further comprises: a latch attached between the opposing side walls adjacent to the top wall. The latch has a lever pivotally attached to the opposing side walls at a first end of the lever and a biasing plunger pivotally attached to the lever away from the first end of the lever on a pivot end of the biasing plunger. The distal end of the biasing plunger is configured to engage with an inclined surface of the first fluid jet cartridge.

[0010] In some embodiments, the distal end of the biasing plunger is configured to apply both an x-directed force and a y-directed force to the inclined surface of the first fluid ejection cartridge.

[0011] In some embodiments, the latch further comprises: a tab on the first end of the lever, the tab being configured to prevent the distal end of the lever from contacting the first fluid ejection cartridge.

[0012] In some embodiments, the latch further has a biasing device attached to the distal end of the biasing plunger, wherein the biasing device is configured to engage with the first end of the lever opposite the protrusion. In some embodiments, the biasing device is a coil spring. In other embodiments, the biasing device is a resilient elastomeric structure in the shape of a cylinder or a bellows.

[0013] In some embodiments, a cartridge adapter and a second support protrusion are provided, the second support protrusion being disposed between the plurality of electrical contact pins and the first support protrusion to be spaced apart from the plurality of electrical contact pins, wherein the second support protrusion is configured to abut against a second cartridge protrusion of a second fluid jet cartridge to align the second fluid jet cartridge with the plurality of electrical contact pins when the second fluid jet cartridge and the cartridge adapter are locked into the cartridge holder.

[0014] In some embodiments, the bottom wall has an opening therein, the opening being configured for one or more fluid ejection heads and being configured for a variety of ejection head sizes.

[0015] In some embodiments, there is also a groove in each of the opposing side walls of the cartridge holder, the groove being configured for guiding the first and second fluid jet cartridges into the cartridge holder.

[0016] In some embodiments, a cartridge adapter is provided and attached to the fluid jet cartridge prior to inserting the fluid jet cartridge into the cavity while tilting the fluid jet cartridge in a first direction such that the fluid jet cartridge tilts toward the second support protrusion.

[0017] An advantage of the disclosed embodiments is that a cartridge holder may be used that can accommodate a variety of fluid jet cartridges while also reducing damage to the flexible circuit on the cartridge when the cartridge is inserted into the holder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view, not drawn to scale, of a fluid ejection device according to an embodiment of the present disclosure.

[0019] Figure 2 yes Figure 1 A perspective, not-to-scale, interior view of a fluid ejection device is shown.

[0020] Figure 3 and Figure 4 is an elevational view, not drawn to scale, of a prior art cartridge holder for a fluid jet cartridge.

[0021] Figure 5 is a cross-sectional view, not drawn to scale, of a cartridge holder according to an embodiment of the present disclosure.

[0022] Figure 6 is used with Figure 5 A perspective view, not drawn to scale, of a fluid spray cartridge for use with the cartridge holder shown.

[0023] Figure 7 is inserted into Figure 5 A not-to-scale cut-away perspective view of a fluid jet cartridge is shown in a cartridge holder.

[0024] Figure 8 yes Figure 7 A cross-sectional view, not drawn to scale, of a fluid jet cartridge and cartridge holder is shown.

[0025] Fig. 9 yes Figure 7 A fragmentary perspective view, not drawn to scale, of a cartridge holder and fluid ejection cartridge is shown.

[0026] Figure 10 to Figure 11 yes Figure 5 and Figure 6 End views, not drawn to scale, of a cartridge holder and a cartridge holder plus a fluid spray cartridge are shown.

[0027] Fig.12 yes Figure 5 A not-to-scale cross-sectional view of a cartridge holder and a fluid spray cartridge having a first spray head size is shown.

[0028] Fig.13 yes Figure 5 A not-to-scale cross-sectional view of a cartridge holder and a fluid spray cartridge having a second spray head size is shown.

[0029] Fig.14 yes Figure 5 A not-to-scale cross-sectional view of a cartridge holder and a fluid spray cartridge of reduced size is shown.

[0030] [Description of Figure Numbers]:

[0031] 10: Fluid injection device

[0032] 12, 16: barrel bracket

[0033] 14: Fluid jet cartridge

[0034] 18: Nose opening

[0035] 20: Nose piece

[0036] 22: Contact pin

[0037] 24: Contact pad

[0038] 26, 30: Arrow

[0039] 28: Latch mechanism

[0040] 32: Handle part

[0041] 34: U-shaped offset structure

[0042] 40: Cartridge bracket

[0043] 42: Sidewall

[0044] 44: Anterior wall

[0045] 46: Bottom wall

[0046] 48: Electrical contact pin

[0047] 50a: First supporting protrusion

[0048] 50b: Second supporting protrusion

[0049] 52: Top wall

[0050] 54: First tube protrusion

[0051] 56: First fluid ejection tube

[0052] 58: Flexible Circuit

[0053] 60, 60a, 60b: Recessed area

[0054] 62: Guide convex part

[0055] 66: Top cover flange

[0056] 68: Opening

[0057] 70: Multiple strip width sizes of spray heads

[0058] 72: Bottom wall

[0059] 74: Bottom wall reference surface

[0060] 76: Spray head with much smaller strip width

[0061] 78: Fluid Jet

[0062] 80: Fluid jet cartridge

[0063] 82: Adapter

[0064] 84: Top cover

[0065] 90: Latch

[0066] 92: Pivot Arm

[0067] 94: First End

[0068] 96: Pivot lever

[0069] 98: Offset plunger

[0070] 100: Remote

[0071] 102, 104, 106: Inclined surface

[0072] 108: Bump

[0073] 110: Bias device

[0074] x, y, z: direction DETAILED DESCRIPTION

[0075] For purposes of this disclosure, the terms "carriage" and "cartridge carriage" refer to a fixed cartridge holder or a mobile cartridge holder located within a fluid dispensing device, including but not limited to a printer or another fluid dispensing device. Figure 5 is a cross-sectional view, not drawn to scale, of a cartridge holder according to an embodiment of the present disclosure. Figure 6 is used with Figure 5 A perspective view, not drawn to scale, of a fluid spray cartridge for use with the cartridge holder shown. Figure 7 is inserted into Figure 5 A not-to-scale cut-away perspective view of a fluid jet cartridge is shown in a cartridge holder. Figure 8 yes Figure 7 A cross-sectional view, not drawn to scale, of a fluid jet cartridge and cartridge holder is shown. Fig. 9 yes Figure 7 A fragmentary perspective view, not drawn to scale, of a cartridge holder and fluid ejection cartridge is shown. Figure 10 to Figure 11 yes Figure 5 and Figure 6 End views, not drawn to scale, of a cartridge holder and a cartridge holder plus a fluid spray cartridge are shown. Fig.12 yes Figure 5 A not-to-scale cross-sectional view of a cartridge holder and a fluid spray cartridge having a first spray head size is shown. Fig.13 yes Figure 5 A not-to-scale cross-sectional view of a cartridge holder and a fluid spray cartridge having a second spray head size is shown. Fig.14 yes Figure 5 A not-to-scale cross-sectional view of a cartridge holder and a fluid jet cartridge of reduced size is shown. Figure 5 , a cross-sectional view is used to illustrate a cartridge holder 40 according to an embodiment of the present disclosure. The cartridge holder 40 includes: opposite side walls 42 attached to a front wall 44, a bottom wall 46 attached to the opposite side walls 42 perpendicularly to the front wall 44, and a top wall 52 attached to the side walls 42 and the front wall 44 away from the bottom wall 46. The front wall 44 includes: a plurality of electrical contact pins 48 and a first support ledge 50a, the first support ledge 50a being disposed between the electrical contact pins 48 and the top wall 52 to be spaced apart from the electrical contact pins. The first support ledge 50a is configured to abut against a first cartridge protrusion 54 (refer to Figure 6 ) to align the first fluid jet cartridge 56 with the plurality of electrical contact pins 48 when the first fluid jet cartridge 56 is locked into the cartridge holder 40.

[0076] use Figure 7 and Figure 8 , to illustrate a cross-sectional view of the first fluid jet cartridge 56 and cartridge holder 40 according to the present disclosure. Figure 7 and Figure 8In the embodiment, the first fluid jet cartridge 56 is angled for insertion into the cartridge holder 40 so that the first cartridge protrusion 54 can abut the first support protrusion 50a before the electrical contact pins 48 make contact with the contact pads on the flexible circuit 58, thereby reducing or eliminating possible damage to the flexible circuit 58 by the electrical contact pins 48. The angle of the first fluid jet cartridge 56 relative to the final position of the first fluid jet cartridge 56 in the cartridge holder 40 can be in the range of about 8 degrees to about 12 degrees. Fig. 9 , the recessed area 60 of the side wall 42 is also shown in more detail, and the recessed area 60 is defined by the guide protrusion 62 and the recessed area starting from the arrow 64. When the first fluid spray cartridge 56 is inserted into the cartridge holder 40, the recessed area 60 provides a guide area for the cover flange 66 of the first fluid spray cartridge 56. Please refer again to Figure 8 The opening 68 in the bottom wall 46 is sized to accommodate multiple swath sized spray heads 70, as described in more detail below. Figure 5 In some embodiments, the cartridge holder 40 includes: a first support protrusion 50a and a second support protrusion 50b for fluid jet cartridges of different sizes. The first support protrusion 50a and the second support protrusion 50b are spaced apart from each other on the cartridge holder 40. As described above, there are also: a plurality of recessed areas 60a, 60b corresponding to the first support protrusion 50a and the second support protrusion 50b.

[0077] Fig.10 yes Figure 5 An interior view of the cartridge holder 40 is shown, wherein the first fluid jet cartridge 56 is not present in the cartridge holder 40 . Fig.11 is an illustration of the first fluid jet cartridge 56 being inserted into the cartridge holder 40. When the first fluid jet cartridge 56 is fully inserted into the cartridge holder 40, a bottom wall 72 of the first fluid jet cartridge 56 contacts a bottom wall datum 74 located on the bottom wall 46 of the cartridge holder 40. In some embodiments, the first fluid jet cartridge 56 is rotated so that the bottom wall of the first fluid jet cartridge 56 contacts the bottom wall datum 74.

[0078] like Figure 12 to Figure 14 As shown in , the cartridge alignment features of the disclosed embodiment enable the cartridge holder 40 to be used with fluid jet cartridges of different sizes. Fig.12 In the embodiment, the cartridge holder 40 has an opening 68 which is large enough to accommodate the relatively wide spray head 70 of the first fluid spray cartridge 56. Fig.13In the embodiment, the same cartridge holder 40 can also accommodate a fluid spray cartridge 78 having a much smaller strip width of the spray head 76. Fig.14 As shown in FIG. 1 , by using the second support protrusion 50 b in place of the first support protrusion 50 a, the cartridge holder 40 is able to accommodate a much smaller fluid spray cartridge 80. In order to use the smaller fluid spray cartridge 80, an adapter 82 is attached to the top cover 84 of the fluid spray cartridge 80. The adapter 82 enables the smaller fluid spray cartridge 80 to be locked into the cartridge holder 40 using the same latch described above for the relatively larger sized fluid spray cartridges 56, 78.

[0079] Another feature of the cartridge holder 40 disclosed herein is a latch 90 configured to apply a bidirectional force to the fluid jet cartridge and / or cartridge and adapter to force the flexible circuit 58 to make electrical contact with the electrical contact pins 48 located on the front wall 44 of the cartridge holder 40. The latch 90 has a pivot arm 92 (i.e., a lever) pivotally attached between the side walls 42 adjacent to the top wall 52 of the cartridge holder 40 at a first end 94 thereof by a pivot rod 96. A biased plunger 98 is pivotally attached to a distal end 100 of the pivot arm 92, wherein the biased plunger 98 is configured to engage an inclined surface 102 of the first fluid jet cartridge 56, an inclined surface 104 of the fluid jet cartridge 78, or an inclined surface 106 of the adapter 82. The biasing plunger 98 in contact with the inclined surface 102, 104 or 106 effectively applies an x-direction force and a y-direction force to the fluid ejection cartridge and / or cartridge and adapter to force the flexible circuit 58 into close contact with the electrical contact pin 48. In some embodiments, the latch 90 further includes a nub 108 that contacts the top wall 52 (see Fig.12 ) to prevent over-rotation of the latch 90. The biasing plunger 98 can be biased toward the inclined surface 102, 104 or 106 by a biasing device 110, which is selected from a coil spring and a resilient elastomeric structure (e.g., a rubber plug or a bellows).

[0080] As described above, an advantage of the disclosed embodiments is that the same cartridge holder may be used for various spray head strip lengths and widths, and at least two sizes of fluid spray cartridges, thereby enabling a wide variety of fluid cartridges to be used with a single fluid spray device.

[0081] While particular embodiments have been described, alternatives, modifications, variations, improvements, and substantial equivalents that are not presently foreseeable or may not be presently foreseeable may occur to applicants or other persons skilled in the art. Accordingly, the appended claims as filed and as they may be amended are intended to encompass all such alternatives, modifications, variations, improvements, and substantial equivalents.

Claims

1. A cartridge holder, characterized in that: include: a cavity in the cartridge holder, the cavity being configured to retain a first fluid jet cartridge in a fluid jet device, The cartridge holder comprises: anterior wall; opposing side walls attached to the front wall; a bottom wall attached perpendicularly to the front wall to the side walls opposite thereto; and a top wall attached to the opposite side walls and the front wall away from the bottom wall, Wherein, the front wall comprises: a plurality of electrical contact pins; and a first supporting protrusion disposed between the plurality of electrical contact pins and the top wall and spaced apart from the plurality of electrical contact pins; Wherein, the first support protrusion is configured to abut against a first cartridge protrusion of the first fluid jet cartridge to align the first fluid jet cartridge with the plurality of electrical contact pins when the first fluid jet cartridge is locked into the cartridge holder.

2. The cartridge holder according to claim 1, characterized in that Also includes: a latch attached adjacent to said top wall between said opposing side walls, The latch comprises a lever and a biasing plunger, in, The lever is pivotally attached to the opposing side wall at a first end of the lever, The biasing plunger is pivotally attached to the lever at a pivot end of the biasing plunger, away from the first end of the lever, Wherein, the distal end of the biasing plunger is configured to engage with an inclined surface of the first fluid ejection barrel.

3. The cartridge holder according to claim 2, characterized in that The distal end of the biasing plunger is configured to apply both an x-directed force and a y-directed force to the inclined surface of the first fluid ejection cartridge.

4. The cartridge holder according to claim 2, characterized in that The latch further includes: a projection on the first end of the lever, The tab is configured to prevent the distal end of the lever from contacting the first fluid ejection cartridge.

5. The cartridge holder according to claim 4, characterized in that The latch further comprises: a biasing device attached to the distal end of the biasing plunger, Wherein, the biasing device is configured to engage with the first end of the lever opposite to the protrusion.

6. The cartridge holder according to claim 5, characterized in that The biasing means comprises a coil spring.

7. The cartridge holder according to claim 5, characterized in that The biasing means comprises a resilient elastomeric structure.

8. The cartridge holder according to claim 1, characterized in that Also includes: The barrel adapter and the second support protrusion, wherein the second supporting protrusion is arranged between the plurality of electrical contact pins and the first supporting protrusion to be spaced apart from the plurality of electrical contact pins, Wherein, the second support protrusion is configured to abut against a second cartridge protrusion of a second fluid jet cartridge to align the second fluid jet cartridge with the plurality of electrical contact pins when the second fluid jet cartridge and the cartridge adapter are locked into the cartridge holder.

9. The cartridge holder according to claim 1, characterized in that The bottom wall has an opening, The opening is configured for one or more fluid ejection heads and is configured for a variety of ejection head sizes.

10. A cartridge holder configured to accommodate a plurality of different fluid jet cartridge sizes of a fluid jet device, the cartridge holder being characterized by comprising: anterior wall; opposing side walls attached to the front wall; a bottom wall attached perpendicularly to the front wall to the side walls opposite to the front wall; as well as a top wall attached to the opposite side walls and the front wall away from the bottom wall, in, the opposing side walls, the front wall, the bottom wall, and the top wall together define a cavity in the cartridge holder configured for the plurality of different fluid jet cartridge sizes, Wherein, the front wall comprises: a plurality of electrical contact pins; and at least two spaced apart support protrusions between the plurality of electrical contact pins and the top wall, wherein a first support protrusion of the at least two spaced apart support protrusions is configured to abut against a first cartridge protrusion of a first fluid jet cartridge to align the first fluid jet cartridge with the plurality of electrical contact pins when the first fluid jet cartridge is locked into the cartridge holder, and A second one of the at least two spaced apart support protrusions is configured to abut a second cartridge protrusion of a second fluid jet cartridge to align the second fluid jet cartridge with the plurality of electrical contact pins when the second fluid jet cartridge and an adapter for the second fluid jet cartridge are locked into the cartridge holder.

11. The cartridge holder according to claim 10, characterized in that further comprising a groove in each of the opposing side walls, The groove is configured to guide the first and second fluid jet cartridges into the cartridge holder.

12. The cartridge holder according to claim 10, characterized in that The bottom wall has an opening, The opening in the bottom wall is configured for use with multi-width and multi-length spray heads on the first and second fluid spray cylinders.

13. A fluid ejection device, characterized in that: include: The cartridge holder according to claim 10.

14. A method for reducing damage to a flexible circuit of a fluid ejection cartridge for a fluid ejection device, characterized in that: include: A cartridge holder is provided, the cartridge holder including a cavity located therein, the cavity being configured to hold the fluid jet cartridge in the fluid jet device, the cartridge holder including: opposite side walls attached to a front wall, a bottom wall attached to the opposite side walls perpendicularly to the front wall, and a top wall attached to the front wall and the opposite side walls away from the bottom wall, wherein the front wall includes: a plurality of electrical contact pins, a first support protrusion, and a second support protrusion, the first support protrusion being disposed between the plurality of electrical contact pins and the top wall to be spaced apart from the plurality of electrical contact pins, and the second support protrusion being disposed between the plurality of electrical contact pins and the first support protrusion to be spaced apart from the plurality of electrical contact pins; tilting the fluid ejection tube in a first direction so that when the fluid ejection tube is inserted into the cavity, the tube protrusion of the fluid ejection tube tilts toward the first supporting protrusion, or so that when the fluid ejection tube is inserted into the cavity, the fluid ejection tube tilts toward the second supporting protrusion; When the cartridge protrusion of the fluid jet cartridge abuts the first supporting protrusion or the second supporting protrusion, tilting the fluid jet cartridge in a second direction opposite to the first direction so that the bottom wall of the fluid jet cartridge abuts against a bottom wall reference surface on the bottom wall of the cartridge holder and the flexible circuit of the fluid jet cartridge abuts against the plurality of electrical contact pins; and The fluid spray cartridge is locked in the cartridge holder.

15. The method according to claim 14, characterized in that Also includes: Cartridge adapters are provided; The cartridge adapter is attached to the fluid jet cartridge prior to inserting the fluid jet cartridge into the cavity while tilting the fluid jet cartridge in the first direction such that the fluid jet cartridge tilts toward the second support protrusion.

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