Pg Sensor And Pg Motor Removal - Epson DFX 8500 Service Manual

DISASSEMBLY AND ASSEMBLY
3.2.6.6 PG Sensor and PG Motor Removal
When you remove or install the PG sensor, be careful not to bend the PG motor detection boa&.
I]
Step 1: Remove the connector junction board assembly. (Refer to Section 3.265)
Step 2: Remove the CBS screw (3X6) securing the PG sensor unit to the left frame. Then take out the
unit to the front and remove it.
Step 3: Remove the screw securing the PG sensor to the unit, and remove the sensor.
Step 4: Remove two CP (S-PI) (M3x6) screws securing the PG motor and remove the motor.
PG Motor
Encoder Plate
L-.
PG Motor Pinion Gear
Figure 3-53. PG Sensor and PG Motor Removal
l
When you install the PG motor, make sure the backlash between the PG motor and PG motor
transmission gear is between 0.05 and 0.15 mm
(almost
no backlash).
. When you install the PG sensor unit, a/;gn the C-cut portion of
the
unit with tha lower shaft securing
the PG motor to the frame.
When you instaII the PG sensor or PG motor petform the p/aren gap motor val0.a (platen gap)
adiustment. as described in Sectfon 4.1.7.
Rev. A
3-37