Ricoh D225 MP9003SP

• Code: SC121-00
• Description: Scanner home position error 2
  The scanner HP sensor does not detect the ON condition during initialization or copying.
• Causes: • BICU defective
  • Scanner motor defective
  • Scanner HP sensor defective
  • Harness between BICU, SIOB, scanner motor disconnected
  • Harness between scanner HP sensor and BICU disconnected
  • Scanner wire, timing belt, pulley or carriage installed incorrectly.
• Remedy: • Inspect installation of scanner wire, timing belt, pulley, carriage.
  • Inspect the HP sensor harness
  • Inspect harnesses to BICU
  • Check function of scanner HP sensor (input/output check) and replace sensor if defective.
  • Check operation of scanner motor (input/output check) and replace motor if defective.
  • Replace BICU.

• Code: SC141-00
• Description: Black level detection error
  The black level cannot be adjusted within the target during auto gain control.
• Causes: • Harness to BICU loose, broken, defective
  • Defective SBU
  • Defective BICU
• Remedy: • Check the harness connections from scanner unit to BICU
  • Replace the lens block (new SBU)
  • Replace the BICU

• Code: SC142-00
• Description: White level detection error
  The white level cannot be adjusted to the second target level within the target during auto gain control.
• Causes: • Dirty exposure lamp or optics section
  • SBU board defective
  • BICU board defective
  • Harnesses are disconnected.
  • Exposure LED (lamp) defective
  • Lamp stabilizer defective
  • Scanner motor defective
• Remedy: • Clean the exposure glass, white plate, mirrors, and lens.
  • Check if the exposure LEDs light during initialization
  • Check the harness connections
  • Replace the exposure LED lamps.
  • Replace the scanner motor.
  • Replace the lens block (SBU), BICU

• Code: SC144-00
• Description: SBU transmission error
  After the SBU switches on, the BICU detects one of the following conditions on the SBU: • 1 s after power on, the SYDO signal does not go high, even after 1 retry. • 1 s after power on, the SYDO signal goes high, but the SBU ID could not be read after 3 attempts.
• Causes: • SBU defective
  • BICU defective
• Remedy: • Inspect harness between scanner unit and BICU
  • Replace lens block (new SBU)
  • Replace BICU.

• Code: SC151-00
• Description: Black level error: Back side
  Not even one pixel was within permitted range when the black level was created.
• Causes: • CIS defective
  • Replace CIS
• Remedy: • Inspect CIS harnesses and connections.
  • Check CIS background roller for damage, clean dirt, check installation
  • Replace CIS.

• Code: SC152-00
• Description: White level error: Back side
  The value of the shading peak data return from the CIS device was defective.
• Causes: • ADF CIS device defective
  • CIS white roller background or white plate damaged
  • CIS dirty or installed incorrectly
• Remedy: • Inspect CIS harnesses and connections.
  • Check CIS background roller for damage, clean dirt, check installation
  • Replace CIS.