T- 1 4
3-2. Malfunction Detection Timing and Troubleshooting Proce-
dures
(1) C0045: Fuser fan motor error
<Detection Timing>
<Troubleshooting Procedures>
Description
• The LOCK signal remains HIGH or LOW continuously for a predetermined period of
time while the Cooling Fan Motor remains energized.
Relevant Electric Parts
Cooling Fan Motor (M2) Controller/Mechanical Control Board (PWB-P)
Power Unit (PU1)
Step Action Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electric Parts)
1 Check the Motor connectors for
connection and correct as neces-
sary.
–– –
2 Check the fan for possible over-
load and correct as necessary.
–– –
3 M2 operation check
☞ T- 3
PWB-P MPJ13P-
1 to 3 (pulse)
G to H-5 to 6
4 M3 operation check
☞ T- 3
PWB-P MPJ6P-1
to 3 (pulse)
E-9 to 10
5 Replace PWB-P. –– –
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