NEC Super Script 4400, Руководство по обслуживанию

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244 SuperScript 4400 — Maintenance Guide
1. Check the connections between:
a) ECN9 of IOD2 and the clutch connector .
b) ECN1 of IOD2 and 11CN of MCTL P.W.B.
3. If voltage between ECN9-3 and ECN2-8 of
IOD2 is trailing edge then replace
fuser
clutch(FUCL).
4. If voltage between ECN1-20 and ECN2-12
of IOD2 is rising edge then replace the
IOD2
P.W.B.
5. Replace MCTL PWB
E7
Code Description of Error Cause of Error Clearance Method
Fuser Clutch(FUCL) E8
1. Loose/Broken connection
3.
Cleaning Brush Solenoid
4. IOD2 Failure
5. MCTL PWB Failure
Cleaner Clutch 1. Loose/Broken connection
3. Defective
Cleaner Clutch
4. IOD2 Failure
5. IOD1 Failure
6. MCTL PWB Failure
1. Check the connections between:
a) ECN11 of IOD2 and the clutch connector .
b) ECN2 of IOD2 and DCN9 of IOD1 .
c) ECN1 of IOD1 and 11CN of MCTL P.W.B.
3. If voltage between ECN11-3 and ECN2-8 of
IOD2 is trailing edge then replace the
transfer solenoid.
4. If voltage between ECN2-1 and 12 of IOD2
is rising edge then replace the IOD2 P.W.B.
5. If voltage between ECN1-35 and 1 of IOD1
is rising edge then replace the IOD1 P.W.B.
6. Replace MCTL PWB
MCTL
11CN
1
35
SGND
FBCLON-P
IOD1
DCN1 DCN9
IOD2
FBCL
1
8
12
1
35
FBCLON-P
PGND
SGND
ECN2
1
3
ECN11
FBCLON-N
+24V-1
Cleaner Clutch
MCTL
12CN
20 FUCLON-P
IOD2
ECN1 ECN9
FUCL
20
+24V-1
FUCLON-N
1
ECN2
5
8
12
PGND
SGND
3
+24V-1
Fuser Clutch