Sơ đồ cấu tạo nguyên lý làm việc của máy photocopy

đường đi giấy và bộ phận nạp bản gốc ( ADF) bộ đảo mặt (DUPLEX) và chia bộ 

Nguyên lý làm việc máy photo | sơ đồ nguyên lý

Bộ phần scan photo ricoh | cấu tạo dàn quét ricoh

Bộ scan photo ricoh | cấu tạo nguyên lý làm việc scan

Dàn gương scan photo ricoh | hoạt động của gương

Một số mã lỗi SC máy photo Ricoh AFICIO 2060

• Code: 101
• Description:Exposure Lamp Error
  At trigger on, the lamp was not detected on.
• Causes:• Exposure lamp defective
  • Lamp regulator defective
  • Lamp regulator harness damaged, disconnected
  • Dirty standard white plate
  • Scanner mirror dirty or out of position
  • Lens dirty, out of position
  • SBU board defective

• Code: 120
• Description:Scanner home position error 1
  The scanner HP sensor does not detect the on condition during initialization or copying.
• Causes:• BCU, SDRB (Scanner Driver Board) defective
  • Scanner motor defective
  • Harness between BCU, SDRB, scanner motor disconnected.
  • Scanner HP sensor defective.
  • Harness between scanner HP sensor and BCU disconnected.
  • Scanner wire, timing belt, pulley, carriage installed incorrectly.

• Code: 121
• Description:Scanner home position error 2
  The scanner HP sensor does not detect the off condition during initialization or copying.
• Causes:• BCU, SDRB (Scanner Driver Board) defective
  • Scanner motor defective
  • Harness between BCU, SDRB, scanner motor disconnected
  • Scanner HP sensor defective
  • Harness between scanner HP sensor and BCU disconnected
  • Scanner wire, timing belt, pulley, carriage installed incorrectly.

• Code: 122
• Description:Scanner home position error 3
  The scanner home position sensor does not detect the on condition during original scanning.
• Causes:• BCU, SDRB (Scanner Driver Board) defective
  • Scanner motor defective
  • Harness between BCU, SDRB, scanner motor disconnected
  • Scanner HP sensor defective
  • Harness between scanner HP sensor and BCU disconnected
  • Scanner wire, timing belt, pulley, carriage installed incorrectly

• Code: 123
• Description:Scanner home position error 4
  The scanner home position sensor does not detect the off condition during original scanning.
• Causes:• BCU, SDRB (Scanner Driver Board) defective
  • Scanner motor defective
  • Harness between BCU, SDRB, scanner motor disconnected
  • Scanner HP sensor defective
  • Harness between scanner HP sensor and BCU disconnected
  • Scanner wire, timing belt, pulley, carriage installed incorrectly.

• Code: 143
• Description:SBU auto adjust error
  Automatic adjustment of the SBU fails when the machine is switched on.
• Causes:• Exposure lamp defective
  • Exposure lamp regulator defective
  • Harness between exposure lamp and lamp regulator is disconnected
  • White plate installed incorrectly or is dirty
  • Scanning mirrors of the exposure unit are dirty or out of position
  • SBU board defective
  • VIB board defective.
  • Harness between SBU, VIB disconnected
  • Harness between VIB, BCU disconnected

• Code: 144
• Description:SBU transmission error
  After the SBU switches on, the BCU detects one of the following conditions on the SBU:
  • 1 s after power on, the SYDI signal does not go high, even after 1 retry.
  • 1 s after power on, the SYDI signal goes high, but the SBU ID could not be read after 3 attempts.
• Causes:• SBU defective
  • VIB defective
  • Harness (40-pin shielded) between the SBU, VIB is disconnected
  • Harness (shielded cable) between the VIB, BCU is disconnected

• Code: 165
• Description:Copy data security unit error B828
  The copy data security option is installed by not operating correctly.
• Causes:• Copy data security card corrupted
  • The board is not installed or the board is defective
  • IPU board defective

• Code: 181
• Description:CIS lamp abnormal
  After the CIS lamp trigger goes on, the CIS lamp is not detected on. Detecting the lamp on or off determines the peak white level value for shading correction. (If the peak level is determined to be below a certain level, the CIS lamp is judged to be off.)
• Causes:• CIS lamp defective
  • CIS power supply board defective
  • CIS lamp regulator defective
  • Harness between lamp and lamp regulator is disconnected.
  • Harness between CIS, ADF is disconnected
  • CIS exposure glass dirty.
  • White roller dirty or installed incorrectly
  • CIS unit defective

• Code: 183
• Description:CIS auto adjust error
  Automatic adjustment of the CIS unit failed.
• Causes:• CIS unit defective
  • CIS exposure glass dirty
  • White roller dirty or installed incorrectly

• Code: 184
• Description:CIS transmission error
  When the CIS is powered on, the ADF detects one of the following abnormal conditions on the CIS unit: 
  • The SOUT signal does not go high within 1 s after power on. 
  • The SOUT signal goes high within 1 s after power on, but the SBU ID cannot be read after 3 attempts.
• Causes:• CIS unit defective 
  • Harness between the CIS, ADF is disconnected

• Code: 202
• Description:Polygon mirror motor error 1: Timeout at ON
  The polygon mirror motor unit did not enter "Ready" status within 20 sec. after the motor was turned on, or within 20 sec. after the speed of rotation was changed.
• Causes:• The polygon mirror motor PCB connector is loose, broken, or defective 
  • Polygon mirror motor PCB defective 
  • Polygon mirror motor defective 
  • IPU defective

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