RaicohField service
All models

MP C Gen 4

MP C4504 / C5504 / C6004

SOP 1.x / 2.0 (depending on dash and upgrade) · GW controller · 45 / 55 / 60 ppm color

Field notes for this family — not a scanned FSM. Confirm the serial in the book before you order a part.

Covers

  • MP C3004
  • MP C3504
  • MP C4504
  • MP C5504
  • MP C6004

Field notes

  • Previous-generation color A3. Still everywhere. SC map is close to IM C; firmware packages are not interchangeable with IM C.
  • SP entry on SOP: Reset → 806182#. Old yellow-key panels still use Reset → 107 → Reset.
  • ITB and PCU work is the same idea: reseat, process control, do not skip developer init.

PM interval

PCU ~60k, fuser ~120k

Key SP numbers

  • SP5-810-001SC reset
  • SP3-011Forced process control
  • SP5-990SC history
  • SP5-803 / 5-804I/O check

Unit locations

  • Fusing unit

    Right door

  • PCUs + ITB

    Front

  • GW controller

    Rear left, SD slots on edge

Hot codes on this family

SC541

A

Fusing thermistor open / low temperature

FusingCommon

SC542

A

Fusing temperature warm-up error

FusingCommon

SC360

B

ID sensor pattern density error

PCU / developerCommon

SC202

B

Polygon motor timeout

Laser / writeCommon

SC620

B

Finisher communication error

CommunicationsCommon

SC669

A

EEPROM / NVRAM error

CommunicationsCommon

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