134
UF-5500 / 4500
11.2.3.5. INFO CODE=051
“INFO CODE=051” means that Engine DC motor’s rotation detection signal (LD) does not become Low.
After the LCD indicates "INFO CODE=051", turn the power OFF/ON.
INFO CODE=051
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Does the DC
motor rotate?
Is the pulse input into
R515 (IC300 side)?
Replace IC300.
Is the pulse input into
CN502-5pin?
Is the pulse output
from DC motor?
Check the solder
at R512, R515,
and C510.
Replace DC motor.
Is 24V output from
CN502-1/2pin?
Check the solder
at
L502.
Is the signal from
CN502-6/7/8pin output?
(Refer to DC MOTOR
wave form)
Replace DC motor.
Is the signal from
IC300-A12/B12/C12pin output?
(Refer to DC MOTOR
wave form)
Replace IC300.
Check the solder at
Q502, Q525, Q526.
Check the
connection
of harness
Содержание UF-4500
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Страница 309: ...309 UF 5500 4500 A1 A3 A4 A6 A7 A8 A9 A10 P1 P2 P3 P4 P5 P6 P7 P8 P7 Drum Cartridge Toner Cartridge P9 A11 ...
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