• Code: C8C0
• Description: RADF original reading start sensor abnormality: The automatic adjustment for the original reading start sensor has been performed, but is ended unsuccessfully.
• Remedy: 1. Check if the RADF original reading start sensor is not damaged or stained. 2. Check that the prism is installed in the correct position and that it is not damaged. 3. Check if the connector CN75 on the RADF board is disconnected from the RADF original reading start sensor or the harnesses are open circuited. Correct if so. 4. Replace the RADF original reading start sensor, and then perform the automatic adjustment for the original reading start sensor (05-356). 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: C8E0
• Description: RADF communication protocol abnormality: The system has to be stopped because the control abnormality occurred.
• Remedy: 1. Turn the power OFF and then back ON to check if the equipment operates normally.

• Code: C900
• Description: Connection error between SYS board and LGC board
• Remedy: (1) Check if the connector CN423, CN424 on the IMG board and the connector CN319, CN320 on the LGC board are completely inserted. (2) Check if the connector pin between the IMG board (connector CN423, CN424) and the LGC board (connector CN319, CN320) is disconnected. (3) Check if the connector CN422 on the IMG board and the connector CN135 on the SYS board are completely inserted. (4) Check if the connector pin between the IMG board (connector CN422) and the SYS board (connector CN135) is disconnected. (5) Check if the conductor patterns on the IMG board, LGC board and SYS board are short circuited or open circuited. (6) Replace the LGC board if no problem is found in steps from (1) to (5) above. (7) If the problem is not corrected with the replacement of the LGC board, reinstall the removed LGC board and replace the IMG board. (8) If the problem is still not corrected with the replacement of the IMG board, reinstall the removed IMG board and replace the SYS board.

• Code: C940
• Description: Engine-CPU abnormality
• Remedy: Does service call still occur even after turning OFF the main switch then back ON? NO Leave it for a while and see how. YES 1. Check if the conductor pattern between the Engine-CPU and FROM, SRAM is short circuited or open circuited. 2. Replace the LGC board if it frequently occurs.

• Code: C962
• Description: LGC board ID abnormality
• Remedy: (1) Check if the connector CN304 on the LGC board is completely inserted or not disconnected. (2) Check if the connectors CN423 and CN424 on the IMG board and the connectors CN319 and CN320 on the LGC board are completely inserted. (3) Check if the connector pin between the IMG board (connector CN423, CN424) and the LGC board (connector CN319, CN320) is disconnected. (4) Check if the connector CN426 on the IMG board is completely inserted or not disconnected. (5) Check if the conductor patterns on the IMG board and the LGC board are short circuited or open circuited. (6) Replace the LGC board if no problem is found in steps from (1) to (5) above. (7) If the problem is not corrected with the replacement of the LGC board, reinstall the removed LGC board and replace the IMG board. (8) If the problem is still not corrected with the replacement of the IMG board, reinstall it and ask a specialist to repair it. (Abnormal ID)

• Code: C970
• Description: High-voltage transformer abnormality: Leakage of the main charger is detected.
• Remedy: (1) Is the main charger installed securely? (2) Check if the spring of high-voltage supply contact point is deformed. (3) Check if the needle electrode is broken or the main charger grid is deformed. (4) Check if any foreign matter is on the needle electrode or main charger grid. (5) Check if any foreign matter is adhering on the high-voltage terminal of the EPU tray. (6) Check if there is a sign of discharge on the joint of the high-voltage terminal of the EPU tray and the main charger. Correct if there is.

• Code: C9E0
• Description: Connection error between SLG board and SYS board
• Remedy: (1) Check if the connector CN12 on the SLG board is completely inserted or not disconnected. (2) Check if the connector CN421 on the IMG board is completely inserted or not disconnected. (3) Check if the connector pin between the SLG board (connector CN12) and the IMG board (connector CN421) is disconnected, or the harness connecting these boards is short circuited or open circuited. (4) Check if the connector CN422 on the IMG board and the connector CN135 on the SYS board are completely inserted. (5) Check if the connector pin between the IMG board (connector CN422) and the SYS board (connector CN135) is disconnected. (6) Check if the conductor patterns on the SLG board, IMG board and SYS board are short circuited or open circuited. (7) Replace the SLG board if no problem is found in steps from (1) to (6) above. (8) If the problem is not corrected with the replacement of the SLG board, reinstall the removed SLG board and replace the IMG board. (9) If the problem is still not corrected with the replacement of the IMG board, reinstall the removed IMG board and replace the SYS board.

• Code: CA00
• Description: Image position alignment abnormality
• Remedy: < Invalidating image position alignment control > (1) Turn the power ON while [0] and [8] are pressed simultaneously. (2) Key in “4546”, then press the [START] button. (08-4546: Position adjustment control / Mode setting) (3) Set the value to “0” (not performed automatically). (4) Turn the power OFF. < Checking the abnormal status on image position alignment > (5) Turn the power ON while [0] and [5] are pressed simultaneously. (6) Key in “4720”, then press the [START] button. (7) Press the [START] button again, then check the displayed value. (05-4720-0: Displaying the cause of image position alignment detection error front and rear sides.) (8) Press the [START] button. (9) After [1] is pressed, then press the [START] button. (10) Check the displayed value. (05-4720-1: Displaying the cause of image position alignment detection error center side.) When the error [CA00] occurs, the value between 1 and 255 is displayed. (0: Detection normality on the front and rear sides) (The statues of total 8 sections (4 colors on the front and rear sides) are displayed.) 1 : Y on the rear side detection abnormality (*1) 2 : Y on the front side detection abnormality (*1) 3 : Y on the front and rear sides detection abnormality 4 : M on the rear side detection abnormality (*1) 8 : M on the front side detection abnormality (*1) 12 : M on the front and rear sides detection abnormality 16 : C on the rear side detection abnormality (*1) 32 : C on the front side detection abnormality (*1) 48 : C on the front and rear sides detection abnormality ) 64 : K on the rear side detection abnormality (*1) 85 : All colors on the rear side detection abnormality -> (I) 128: K on the front side detection abnormality (*1) 170: All colors on the front side detection abnormality -> (I) 192: K on the front and rear sides detection abnormality 255: All colors on the front and rear sides detection abnormality -> (I) Other than the above: Multiple colors detection abnormality (*2) The adjustment value is the sum of (*1), which, as in the example below, specifies the cause of the detection abnormality. (E.g. 1) 05-4720-0 --- in case of 72 72 = 64 + 8 -> K on the rear side / M on the front side detection abnormality (E.g. 2) 05-4720-0 --- in case of 146 146 = 128 + 18 = 128 + 16 + 2 -> K on the front side / C on the rear side / Y on the front side detection abnormality When the error [CA00] occurs, the value between 1 and 85 is displayed. (0: Detection normality on the center side) (The statues of total 4 sections (4 colors on the front and rear sides) are displayed.) 1 : Y on the center side detection abnormality (*3) 4 : M on the center side detection abnormality (*3) 16 : C on the center side detection abnormality (*3) 64 : K on the center side detection abnormality (*3) 85 : All colors on the center side detection abnormality -> (I) Other than the above: Multiple colors detection abnormality (*4) The adjustment value is the sum of (*3), which, as in the example below, specifies the cause of the detection abnormality. (E.g. 1) 05-4720-0 --- in case of 65 65 = 64 + 1 -> K on the rear side / Y on the front side detection abnormality