6/02
4-6
DC1632/2240
REP 1.7, REP 1.8
Prelaunch Training/Review
Repairs and Adjustments
REP 1.7 T5 or T7 High Voltage Power Supplies
Parts List on PL 9.1
Removal
1. Perform NVRAM Save.
WARNING
To avoid personal injury or shock, do not perform repair or adjustment activities with
the power switch on or electrical power applied to the machine.
2. Remove Rear Cover (REP 14.2).
CAUTION
PWBÃs can be damaged by an electrostatic discharge. Observe all ESD procedures to avoid
component damage.
3. Remove High Voltage Power Supply Chassis (REP 1.6).
4. Remove High Voltage Power Supplies from Chassis.
ï T5 HVPS (Detack/2nd BTR) is power supply toward machine rear.
ï T7 HVPS (Developer Bias and Charge) is power supply toward machine front.
REP 1.8 I/F (Interface) PWB
Parts List on PL 9.1
Removal
1. Perform NVRAM Save.
WARNING
To avoid personal injury or shock, do not perform repair or adjustment activities with
the power switch on or electrical power applied to the machine.
2. Remove Right Cover (REP 14.3).
3. Remove Top Cover (REP 14.1).
4. Remove Rear Cover (REP 14.2).
5. Pivot down T5 T7 HVPS Chassis (REP 1.6).
CAUTION
PWBÃs can be damaged by an electrostatic discharge. Observe all ESD procedures to avoid
component damage.
6. Remove ESS Chassis (REP 1.3).
7. Remove Main PWB Interface PWB (Figure 1).
a. Loosen Screws (2).
b. Lift Main PWB Interface PWB until Harness P/JÃs (11) can be disconnected.
c. Remove Main PWB Interface PWB from chassis
Figure 1 Removing Interface PWB
Screws (2)
Harness
P/JÃs (11)