192277 - Micron Technical Reference V9 Volume 1.pdf - 第243页
SQUEEGEE MODULE REPLACEMENT PROCEDURES Chapter Issue 8, May 19 Technical Reference Manual 9 .11 and remove the broken drive belt. NOTE In the drive belt replacement procedu res, described below , the tensioning of the be…
SQUEEGEE MODULE
REPLACEMENT PROCEDURES
9.10 Technical Reference Manual Chapter Issue 8, May 19
2. Connect the following connectors to the print carriage, left hand side:
• Rear Squeegee Motor
• Front Squeegee Motor
• Home Sensors
• Squeegee Pressure Amplifier
3. Fit the required configuration of squeegees to the printhead mechanism
squeegee mounts.
NOTE
Squeegee fitting information is detailed in the Replacement Procedures
section of this chapter.
4. Close the printhead cover.
5. Remove the isolator lock; turn the mains isolator ON and ensure that the
machine recognizes the squeegee module fit by displaying Squeegees
Uninitialised during the machine initialisation sequence.
6. Press the System button.
Drive Belt
Replacement
1. Select Open Cover Commands.
2. Select Carriage To Front.
3. Select Back.
4. Select Shut Down.
5. Select Continue.
6. Switch the mains isolator to OFF; lockout the isolator.
7. Open the printhead cover.
8. Remove the squeegees, if fitted.
9. Remove the drive belt cover plate from the squeegee printhead mechanism
Rear Squeegee
Motor (9SK17)
Front Squeegee
Motor (9SK16)
Home Sensors
(9SK08)
Squeegee Pressure
Amplifier (N3SK16)
SQUEEGEE MODULE
REPLACEMENT PROCEDURES
Chapter Issue 8, May 19 Technical Reference Manual 9.11
and remove the broken drive belt.
NOTE
In the drive belt replacement procedures, described below, the tensioning of
the belt only applies where the squeegee stepper motors are identified by
the green label shown in figure 9-3. For all other squeegee types, follow the
‘Alternative Drive Belt Replacement’ procedure.
10. Close the printhead cover.
11. Remove the isolator lock; turn the mains isolator ON.
12. Press the System button.
Rear Squeegee
Drive Belt
The rear squeegee drive belt (right hand stepper motor) can be replaced without
having to remove the printhead mechanism from the print carriage.
1. Turn the mains isolator OFF; lockout the isolator switch.
2. Open the printhead cover.
3. Remove the squeegees, if fitted.
4. Slacken off the three screws securing the right hand motor to the motor
Drive Belt Cover Plate
Drive Belts
Squeegee Printhead
Mechanism
Securing Screws
SQUEEGEE MODULE
REPLACEMENT PROCEDURES
9.12 Technical Reference Manual Chapter Issue 8, May 19
support plate.
5. Fit the new belt in position.
6. Using a cable tie wrap or similar, provide a loop around the top of the body
of the motor enabling the motor to be pulled using a force meter. Ensure that
the force meter is pulled in the direction which the drive belt is fitted, figure
above refers.
7. Pull the force meter until a tension of 3-4kgs is monitored on the
meter.Tighten the three screws whilst the motor is under tension.
8. Close the printhead cover.
9. Remove the isolator lock; turn the mains isolator switch ON.
10. Press the System button.
Tension in Direction of
Drive Belt Orientation
Right Stepper Motor
Rear Squeegee Motor Tensioning
Force Meter
Motor Securing Screw
Position (3 positions)
Looped Cable Tie
Drive Belt