Epson DFX-9000 Service Manual page 212

Epson DFX 9000
HCPP SENSOR UNIT
Disconnect the power cable and wait at least 5 minutes
W A R N I N G
for capacitors to drain before disassembling the
POWER UNIT. If you touch the POWER UNIT with
the power supplied, you may receive an electric shock.
Do not touch the motors immediately after using the
printer, or you may burn your hand. Allow the motors
to cool enough to work with them.
1. Remove the UPPER UNIT (p. 135)
2. Tilt up the rear of the PR MECHA ASY and support it using the tilt
bar. Refer to section 4.2.4.1 PR MECHA ASY, p. 149.
3. Release the HCPP sensor cable from the three cable clamps on the
bottom rear of the printer.
4. Disconnect the HCPP sensor cable from the SENSOR BOARD
UNIT (CNPPSS: 3 pins), and pull the HCPP sensor cable outside the
printer mechanism through the hole in the SIDE FRAME, LEFT.
Release the HCPP sensor cable from the cable clamp on the side
frame.
5. Remove the C.B.S. 3 × 6 screw that secures the HCPP SENSOR
UNIT, release all the cables from the tab of the HCPP SENSOR
UNIT, and remove the HCPP SENSOR UNIT.
To prevent the HCPP sensor cable insulation from
being damaged by the metal edge of the cable guide
notch on the HCPP SENSOR UNIT, pull the protective
tube up close to the HCPP sensor.
When installing the HCPP SENSOR UNIT, match the
positioning holes of the HCPP SENSOR UNIT to the
pins on the side frame.
Disassembly and Assembly
3)
5)-2
HCPP SENSOR UNIT
Reassembly
Protection
tube
Figure 4-89. HCPP SENSOR UNIT Removal
Sensors
Revision B
4)-2
Dowels
5)-1 4)-3
SENSOR BOARD UNIT [Front]
4)-1 CNPPSS
[Rear]
205