Manuals / Janome / Household Appliance / Sewing Machine

Janome 4900 QC manual Round-end buttonholes #18, Keyhole buttonholes #20

Models: 4900 QC

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Round-end buttonholes (#18)

		Machine settings
		q Pattern:	18 (mode 2)
	e	w Presser foot:	Automatic buttonhole foot R
	e	e Thread tension: AUTO
		e Thread tension: AUTO

* The sewing procedue is same as buttonhole #17 (see pages 39 to 41).

Keyhole buttonholes (#20)

Machine settings
q Pattern:	20 (Mode 2)

wPresser foot: Automatic buttonhole foot R

ee Thread tension: AUTO

* The same sewing sequence (Buttonholes 18 and 20) applies to buttonholes 19, 21, 22

Adjusting buttonhole width on stitch pattern #18

Press the stitch width adjustment key, the adjustment window opens.

Press “+” to make the buttonhole wider. Press “–“ to make the buttonhole narrower.

qStitch width 2.5 w Stitch width 4.0 e Stitch width 5.5

e

* The stitch width should be adjusted between 5.5 to 7.0.

Adjusting buttonhole width on stitch pattern #20

Press the stitch width adjustment key, the adjustment window opens.

Press “+” to make the buttonhole wider. Press “–“ to make the buttonhole narrower.

	e	q Stitch width 5.5
	e	w Stitch width 6.5
		w Stitch width 6.5
		e Stitch width 7.0

* The stitch width should be adjusted between 5.5 to 7.0.

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Janome 4900 QC manual Round-end buttonholes #18, Keyhole buttonholes #20, Adjusting buttonhole width on stitch pattern #18

Contents

Page Important Safety Instructions Table of Contents Table of Contents Name of Parts Name of partsStandard Accessories Attaching the table Detaching the tableFree-arm sewing can be used for To use start/stop button Connecting the Power SupplyTo use foot control Foot control Speed control sliderOperating Instructions Auto-lock button Start/stop buttonReverse stitch button Up/down needle position buttonMonogramming key see Screen brightness adjustment dialMode key see Stock/Call key see page 296Function touchpad see 4Stitch width adjustment key see page 28, 295Stitch length adjustment key see page 28, 29 7Clear key seeMode 2 Mode selectionMode 1 Screen indication Monogramming modePattern Selection Mode Pattern selection and screen indicationMode 2, 3 and Monogramming Example stitch patternLanguage setting Resumption settingSound setting Window duration time settingPressure dial To drop or raise the feed dogPresser foot lifter Knee Lifter Changing the presser footTo remove and attach the foot holder To removeChanging the needle Thread and Needle Chart Needle SizeBobbin Winding Setting the spool of threadRemoving the bobbin Additional spool pin y Spool Inserting the bobbin Threading the machine Built-in needle threader Drawing up bobbin thread Auto-thread tension Manual thread tension adjustmentBalancing thread tension Balanced thread tensionChanging sewing direction Machine settingsStraight stitch Securing a seamTurning a square corner Using the quilting guideUsing the seam guides on the needle plate Sewing on heavy fabricHelp button Adjusting the needle drop position Adjusting the stitch lengthRestoring the original settings Example To change the preset value for the stitch lengthBasting Attaching the darning foot PTriple stretch stitch Lock-a-Matic stitchStretch stitch Saddle stitch Locking stitchNew sculpture stitch French knot Decorative stitchProgramming French knots Example Combination of patterns 54 Adjusting the stitch length Adjusting the stitch widthZigzag stitch Multiple zigzag stitch Tricot stitch Types of Overcasting StitchesOvercasting with zigzag stitch Overcasting stitchDouble overedge stitch Knit stitchOverlock stitch Attaching the button sewing foot T Button sewingTo sew Fine Fabric Buttonhole Variations of Buttonholes Square ButtonholeRound-end Buttonhole Keyhole ButtonholeSquare buttonhole Pull the buttonhole lever down as far as it will go Start the machine to sew the buttonhole Double layer buttonhole Corded buttonholeAdjusting buttonhole width Adjusting stitch densityRound-end buttonholes #18 Adjusting buttonhole width on stitch pattern #18Adjusting buttonhole width on stitch pattern #20 Keyhole buttonholes #20Knit buttonhole #24 Faux chain buttonhole #25Welted buttonhole Page ⁄2t Eyelet Zipper sewing Fabric preparationFold back the left seam allowance. Turn the right Page Darning To sew the same size darning To adjust the evenness of darningTo sew a shorter darning To sew the darning at a different sizeTo sew the same size tack TackingTo sew a shorter tack To sew a tack at a different sizeBlind hem How to fold the fabricChanging needle drop position EPintucking QuiltingShell tuck AppliqueSmocking FagotingScallop a Scallop BPatchwork Satin stitchCording Rolled hemStrand cording Cross stitch Twin needle sewing Pattern combination Example Programming patterns 33, 35 Combinations for a mirror image Pattern Elongation Extender stitches Free-motion quilting Editing program Combining satin and decorative stitches Custom stitch adjustment Mode 2 and 3 only Programming a monogram Programming a monogram Reducing the size of a monogram Editing the programmed patterns Deleting a letter character Viewing a long textExample To delete C from Abcd Example To insert a space between B and C in Abcd Inserting a letter characterDuplicating a pattern To duplicate the stitch patternOverwriting a stored combination To store and call stitch pattern combinationsTo stock memory Recalling a stored combination Deleting a stored combinationLetters and numbers Correcting distorted stitch patternsStretch stitch pattern ExampleCleaning the hook race and feed dog Inserting the bobbin holderReplacing the light bulb on the underside of the sewing arm Replacing the light bulbTo replace Message Problem/Cause Try this Beep sounds during Audible SignalsPip Normal operation Troubleshooting Condition Cause Reference