192277 - Micron Technical Reference V9 Volume 1.pdf - 第242页
SQUEEGEE MODULE REPLACEMENT PROCEDURES 9.10 Technical Reference M anual Chapter Issue 8, May 19 2. Connect the following connectors to the print carriage, left hand side: • Rear Squeegee Motor • Front Squeegee Motor • Ho…
SQUEEGEE MODULE
REPLACEMENT PROCEDURES
Chapter Issue 8, May 19 Technical Reference Manual 9.9
Fitting Drip Tray 1. Slide the slot in the drip tray onto the bearing on the drip tray guide shaft.
2. Secure the drip tray to the actuator piston using the securing screw.
3. Open the speed control valves on the drip tray actuator.
Fitting Squeegee 1. Carefully position the rear of the printhead mechanism (spring beam
assembly) into the print carriage so that both printhead mechanism dowels
locate into the print carriage locating holes. Secure the unit to the print
carriage by means of the four captive screws, ensuring the pneumatic pipe
is not trapped.
Drip Tray
Drip Tray Guide Shaft
Securing Screw
Speed Control Valves
Captive Screw (in 4 positions) Spring Beam Assembly
Locating Dowel
(in 2 positions)
Print Carriage Locating
Hole (in 2 positions)
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