Rap 12 Intermittent Failures - Xerox Document Workcenter 150 Service Manual

RAP 12 intermittent Failures
intermittent problems may appear as copy quality
defects. feeding problems, error conditions, or
other random visual indications. Bad ground
connections can produce these types 01 failures.
Initial Actions:
.
Disconnect the power cord from the machine.
* Visually check the cable harnesses for loose
connectors.
.
Visually check the cable harnesses for
damage or rubbing on sharp metal edges.
Procedure
NOTE: Ground distribution taults are
idenlilied by continuily checks and visual
inspection.
1. Refer to the power distribution diagrams in
Section 7. Check lor loose conneclions to the
components shown in the section 7 diagrams.
Connectlone ere good.
Y N
1 Repair and continue lo step 2,
2. Plug in the machine. Enter the service mode
and pedorm the Backup All Clear test
Problem
still
occurs.
i zomplete the call.
3. Replace the lollowing parts in sequence:
- Main PWB (REP 8.1).
+ Head ribbon cable (PL 5.1)
- Cartridge Support/Sensor Assembly
(REP 5.7)
- Control panel harness (PL 2.1)
- Power supply (REP 8.4)
Problem egll
occurs.
Y N
I
Complete the call.
4. Contact your next level 01 support for
assistance.
RAP 12 Intermittent Failures
5/96
2-6
Document WorkCenter 150