• Code: CAA0
• Description: Secondary scanning fine adjustment error: Secondary scanning control by the galvanometer mirror does not end normally. [e-STUDIO850]
• Remedy: Is any harness between the PLG board and galvanic mirror, PLG board and laser drive PC board and PLG board and H-Sync detection PC board open circuited or any connector disconnected? → YES . Replace the harness. Reconnect the connector. NO 1) Replace the PLG board. 2) Replace the laser optical unit.

• Code: CAB0
• Description: Inter-page correction error of secondary scanning: Inter-page secondary scanning control by the galvanometer mirror does not end normally. [e-STUDIO850]
• Remedy: Is any harness between the PLG board and galvanic mirror, PLG board and laser drive PC board and PLG board and H-Sync detection PC board open circuited or any connector disconnected? → YES . Replace the harness. Reconnect the connector. NO 1) Replace the PLG board. 2) Replace the laser optical unit.

• Code: CAC0
• Description: Primary scanning dot adjustment error: Primary scanning control does not end normally. [e-STUDIO850]
• Remedy: Is any harness between the PLG board and galvanic mirror, PLG board and laser drive PC board and PLG board and H-Sync detection PC board open circuited or any connector disconnected? → YES . Replace the harness. Reconnect the connector. NO 1) Replace the PLG board. 2) Replace the laser optical unit.

• Code: CAF0
• Description: Inter-page correction error of primary scanning: Inter-page primary scanning control does not end normally. [e-STUDIO850]
• Remedy: Is any harness between the PLG board and galvanic mirror, PLG board and laser drive PC board and PLG board and H-Sync detection PC board open circuited or any connector disconnected? → YES . Replace the harness. Reconnect the connector. NO 1) Replace the PLG board. 2) Replace the laser optical unit.

• Code: CB10
• Description: Feed motor abnormality: The feed motor does not run normally or the stack feed roller does not move normally.
• Remedy: [Procedure 1] Is second feed motor (M8) rotating in reverse at the fixed timing? → NO . Replace second feed motor or finisher controller PC board. YES Is the shutter securely attached to the shutter upper/lower bars? → NO . Attach it securely. YES Turn the feed roller-2 in reverse by hand. Do the shutter upper/lower bars move up and down? l → NO . Fix the mechanism including the shutter upper/lower bars and gears of the feed roller-2. YES Is the shutter closed detecting switch (MS4) working normally? → NO . Replace the switch. YES Replace the finisher controller PC board. [Procedure 2] Is second feed motor (M8) rotating in reverse at the fixed timing? → NO . Replace second feed motor or finisher controller PC board. YES Is the shutter securely attached to the shutter upper/lower bars? → NO . Attach it securely. YES Turn feed roller-2 in reverse by hand. Do the shutter upper/lower bars move up and down? l → NO . Fix the mechanism including the shutter upper/lower bars and gears of the feed roller-2. YES Is the shutter open sensor (PI5) working normally? → NO . Replace the sensor. YES Replace the finisher controller PC board. [Procedure 3] Check the safety zone switch (MS3). Is the switch working normally? → NO . Replace the switch. YES Is the safety zone switch (MS3) correctly pressed? → NO . Fix the mechanism. YES Is the shutter closed detecting switch (MS4) working normally? → NO . Replace the switch. YES Is the shutter closed detecting switch (MS4) correctly pressed? → NO . Fix the mechanism. YES Replace the finisher controller PC board.

• Code: CB20
• Description: Delivery motor abnormality: The delivery motor does not run normally or the delivery roller does not move normally.
• Remedy: Rotate the delivery motor by hand. Does it rotate smoothly? → NO. Fix the mechanism. YES Is the delivery motor clock sensor (PI10) working normally? → NO. Replace the sensor. YES Does the voltage between J11-4 and -5 on the finisher controller PC board become 24V when the delivery motor starts rotating? → NO. Replace the finisher controller PC board. YES Is the wiring between the delivery motor and finisher controller PC board correct? → YES. Correct the wiring. NO Replace the motor.

• Code: CB30
• Description: Tray lift motor abnormality
• Remedy: [Procedure 1] Is the tray 1 home position sensor (PI8) working properly? → NO. Replace the tray 1 home position sensor. YES Is the tray 1 lifting mechanism working properly? → NO. Correct the defect of the mechanism. YES Is 24V supplied to the tray1 lifting motor (M5) from the finisher control board at the timing of tray driving? → NO. Replace the finisher control board. YES Is the harness between the finisher control board and tray 1 lifting motor normal? → NO. Replace the harness. YES Replace the tray 1 lifting motor. [Procedure 2] Is the tray 1 lifted/lowered? ↓ → YES . Is the wiring between the finisher controller PC board and tray 1 lifting motor normal? → NO. Correct the wiring. YES Replace the tray 1 lifting motor. NO Is the power supplied to the motor from the finisher control board at the timing of tray 1 lifting? → NO. Replace the finisher control board. YES Is there any abnormality at the tray 1 lifting mechanism? → YES . Correct the defect of the mechanism. YES Correct the defect of the mechanism. [Procedure 3] Is the tray 2 home position sensor (PI25) working properly? → NO. Replace the tray 2 home position sensor. YES Is the tray 2 lifting mechanism working properly? → NO. Correct the defect of the mechanism. YES Is 24V supplied to the tray 2 lifting motor (M10) from the finisher control board at the timing of tray driving? → NO. Replace the finisher control board. YES Is the harness between the finisher control board and tray 2 lifting motor normal? → NO. Replace the harness. YES Replace the tray 2 lifting motor. [Procedure 4] Is the tray 2 lifted/lowered? ↓ → YES . Is the harness between the finisher control board and tray 2 lifting motor normal? → NO. Correct the wiring. YES Replace the tray 2 lifting motor. NO Is the power supplied to the motor from the finisher control board at the timing of tray 2 lifting? → NO. Replace the finisher control board. YES Is there any abnormality at the tray 2 lifting mechanism? → YES . Correct the defect of the mechanism. NO Replace the tray 2 lifting motor. [Procedure 5] Is the tray lifting mechanism working properly? → NO . Correct the defect of the mechanism. YES Is the tray coming close detection switch working properly? → NO. Replace the switch. YES Replace the finisher controller PC board.

• Code: CB40
• Description: Alignment motor (rear) abnormality: The alignment motor (rear) does not run normally or the alignment plate does not move normally.
• Remedy: Is the alignment guide home position sensor (PI5S) working normally? → NO. Replace the sensor. YES Is the wiring between the finisher controller PC board and the alignment motor (M5S) correct? → YES. Correct the wiring. NO Is there any mechanical problem with the alignment guide movement path? → YES. Fix the mechanism. NO Is the problem solved by replacing the alignment motor? → NO. Replace the finisher controller PC board. YES END