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Troubleshooting
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7.4 Troubleshooting for malfunction code
7.4.1 L2: Projection Lamp malfunction
7.4.2 C1: Scan Unit Drive Malfunction
7.4.3 C2: Scan Mirror Drive malfunction
Check Item Remedy
Check LA1.
→
NG Replace LA1.
↓
OK
The carrier glass is covered by a dark
colored piece of paper or some other
thing that would prevent light from
shining through the glass.
→
Yes Remove paper or any other obstruction
from the carrier glass.
→
No Replace PWB-A.
Replace PWB-BB.
Check Item Remedy
Does the Scan Table Drive Motor
rotate when the Power Switch is turned
ON?
→
No Wiring Check
Replace the following parts.
PWB-T
PWB-BB
M2
↓
Yes
Is C1 shown when scanning motion?
→
No OK
↓
Yes
Check PC3.
→
NG Replace PC3.
↓
OK
Check PC4.
→
NG Replace PC4.
→
OK Replace PWB-BB.
Check Item Remedy
Is C2 shown even when power is
turned OFF, then ON again?
→
No OK
↓
Yes
Does the Scan Motor rotate when the
Power Switch is turned ON?
→
Yes Check Wiring.
Replace the following parts.
PWB-T
PWB-BB
M1
↓
No
Check PC1.
→
NG Replace PC1.
↓
OK
Check PC2.
→
NG Replace PC2.
→
OK Replace PWB-BB.