Janome MC6700P User Manual

SERVICE MANUAL
MC6700P
PFirst Edition: 05 September 2017

Janome MC6700P Specifications

General

Type	Computerized Sewing Machine
Maximum Stitch Width	9 mm
Maximum Stitch Length	5 mm
Needle Threading System	Automatic
Weight	20.5 lbs
Dimensions	22.5 x 9.1 x 12.2 inches
Feed Dog	7-piece
Needle Threader	Yes
LCD Screen	Yes
Built-in Memory	Yes
Stitch Width	9 mm
Voltage	120V
Warranty	25 years
Presser Feet	Included
Bobbin Type	Top Loading

Summary

Changing external parts (1)

Face plate

Procedure to remove and attach the face plate.

Top cover

Procedure to remove and attach the top cover.

Changing external parts (2)

Belt cover

Procedure to remove and attach the belt cover.

Base

Procedure to remove and attach the base.

Changing external parts (3)

Power supply cover

Procedure to remove and attach the power supply cover.

Thread cutter cover

Procedure to remove and attach the thread cutter cover.

Changing external parts (4)

Front cover

Procedure to remove and attach the front cover.

Changing external parts (5)

Thread guide cover

Procedure to remove and attach the thread guide cover.

Changing external parts (6)

Arm thread guide (unit)

Procedure to remove and attach the arm thread guide unit.

Changing the printed circuit board A

Changing the printed circuit board K

Changing the printed circuit board F and slide volume

Printed circuit board F

Procedure to remove and attach the printed circuit board F.

Slide volume

Procedure to remove and attach the slide volume.

Changing LCD

Wiring diagram

Needle drop position

Backlash between hook drive gear and lower shaft gear

Hook timing

Adjustment of needle bar height

Clearance between needle and tip of the rotary hook

Adjustment of height and direction of presser bar

To adjust the feed dog height

To replace needle thread tension unit

To adjust the upper thread tension release (1)

To adjust the upper thread tension release (2)

Adjusting the bobbin thread tension

To adjust the bobbin winder stopper

Needle threader hook position

Thread cutter switch

To adjust thread drawing lever

Upper feed dog (1)

Upper feed dog (2)

Upper feed dog (3)

Thread take-up lever phase

Lower shaft

Timing belt

To replace driving motor

Upper shaft shield plate position

Adjusting buttonhole lever position

Stretch stitch feed balance

Adjustment of presser bar lifter switch position

Needle plate sensor switch

Switching power supply

Drop feed micro switch

When the feed dog does not return to “UP” position

Self diagnosis

Function of buzzer, LCD and LED

Description of buzzer, LCD, and LED functions during self-diagnosis.

Detecting switch

Procedure for detecting switch operations during self-diagnosis.

Foot control/speed control slider

Self-diagnosis check for foot control and speed control slider.

Upper shaft phase sensor

Self-diagnosis check for the upper shaft phase sensor.

Stepping motors

Self-diagnosis check for stepping motors.

Thread cutter motor

Thread tension release motor

Driving motor/bobbin winding motor