During the hot roller temperature control
sequence, or while the hot roller and
pressure roller were rotating, the
pressure roller center thermistor
measured a value higher than 3.3V 10
consecutive times at 600 ms intervals.
• Pressure roller center thermistor not
positioned properly
• Pressure roller center thermistor connector
loose, broken, defective
• Pressure roller center thermistor defective
• MCU defective
553
A Pressure roller center thermistor error 2
During the hot roller temperature
control sequence, the pressure roller
center thermistor measures a value
lower than 0.2V.
• Pressure roller center thermistor not positioned
properly
• Pressure roller center thermistor connector
loose, broken, defective
• Pressure roller center thermistor defective
• MCU defective
557
C
Applied zero-cross waveform error
The applied power ac frequency was
detected less than 66 Hz more than 10 times.
• Noise on the ac power supply line
559 A Fusing paper jam errors
Three consecutive paper jam errors
occurred in the fusing unit.
Note: This SC code is not issued unless
SP1159 is switched on.
• Paper jam in fusing unit
• Pick-off pawl defective
• Paper scraps in fusing unit
• Exit sensor defective
561 A Pressure roller end thermistor error 1
During the hot roller temperature control
sequence, or while the hot roller and
pressure roller were rotating, the end
thermistor on the pressure roller returned
a digital reading of more than 3.3V.
• Pressure roller end thermistor not positioned
properly
• Pressure roller end thermistor connector
loose, broken, defective
• Pressure roller end thermistor defective
• MCU defective
SC Code Descriptions
197
4
Содержание Neptune-P1
Страница 1: ...Neptune P1 Machine Code G180 SERVICE MANUAL June 2007 Subject to change...
Страница 13: ...Folder D889 452 Manual Feeder D333 453 Paper Cassette B853 454 Main Machine Configuration 455 12...
Страница 103: ...1 Installation 102 1...
Страница 111: ...Fusing Gears 1 Fusing Gears Barrieta S552R Apply to the surface of the rim 2 Preventive Maintenance 110 2...
Страница 114: ...Rear Cover 1 Rear cover x 2 A 2 Controller cover B x 1 Paper Exit Unit Common Procedures 113 3...
Страница 142: ...RF Exit Sensor 1 Open the drawer of the roll feeder 2 Plate A x 2 3 RF exit sensor B x 1 x 1 Paper Feed 141 3...
Страница 170: ...5 Remove the PSU A x1 x10 x all Controller Board 1 Remove A Rear cover x2 B Controller cover x1 Boards 169 3...
Страница 177: ...3 Remove the SFDB A x 2 x 2 standoffs x 2 3 Replacement and Adjustment 176 3...
Страница 180: ...4 Remove the cooling fan D x3 x1 Others 179 3...
Страница 402: ...Toner End Recovery Flow Chart Development 401 6...
Страница 449: ...6 Details 448 6...
Страница 457: ...MEMO 456...