Call for Service CA00
[CA00] Color registration abnormality Fatal Error – Please Contact Service Technician.
| Parts to be replaced | Remarks |
| Spring of the high-voltage supply contact point | |
| High-voltage transformer |
[C9E0] Connection abnormality between the scanner-CPU and the system-CPU
| Classification | Error content |
| Circuit related service call | A connection abnormality has occurred between the scanner-CPU and the system-CPU. |
| Check item | Measures |
| Reproducibility | Turn the power OFF and then back ON to check the occurrence. |
| SYS board | • PC board check • Replace the PC board. |
| Parts to be replaced | Remarks |
| SYS board |
[CA00] Color registration abnormality
| Classification | Error content |
| Writing related service call | A color registration abnormality has occurred. |
| Check item | Measures |
| 1. Developer unit | • Check if all the developer units are installed properly. • Press the developer unit securely until a click sound is heard. |
| 2. Drum cleaning unit | • Check if all the drum cleaning units are installed properly. • Press the drum cleaning unit securely until a click sound is heard. |
| 3. Transfer belt unit | Take off the transfer belt unit to check if images are generated on the transfer belt. If no images are generated, perform the following items. • Check if there is any abnormality such as deformation on the rods and handle of the main charger cleaner. Correct it if there is any abnormality. • Check if the drum is rotated properly by manually turning the gear of the drum cleaner unit. If not, correct the auger and its surrounding hardware. |
| 4. OLED printer head | • Check if there is any abnormality in the harness and connector between the OLED printer head and the SYS board. • Check if there is any abnormality such as stain or scratches on the OLED printer head. Correct it if there is any abnormality. |
| 5. Image quality control unit | • Take off the transfer belt unit so that the image quality control unit can be seen. • Check if the sensor shutter work properly. Output check: FS-03-125, FS-03-175 • Check if the sensor shutter is damaged. Check if there is any abnormality in the sensor shutter solenoid. • Check if the surface of the image quality sensor is stained with toner. If so, clean it with a cotton swab or a soft cloth. If there is no abnormality, go to step 6. |
| 6. Sensor shutter solenoid (SOL1) | • Solenoid check Output check: FS-03-125, FS-03-175 • Connector check (CN351) • Harness check • Replace the solenoid. If there is no abnormality, go to step 7. |
e-STUDIO2020AC/2520AC © 2021 – 2023 Toshiba Tec Corporation All rights reserved
| Check item Measures 7. Color registration abnormality status check 1. Perform FS-08-4546. 2. Set the value to “0” (Not performed automatically). 3. Turn OFF the power of the MFP. 4. Perform FS-05-4720 and check the displayed value. 5. If the value is 85 or 255, go to step 8. In other cases, go to step 9. <Explanation of the value> 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 128: K on the front side detection abnormality (*1) 170: All colors on the front side detection abnormality (*1) 192: K on the front and rear sides detection abnormality 255: All colors on the front and rear sides detection abnormality Other than the above: Multiple colors detection abnormality Remarks: • When a CA00 error has occurred, a value between 1 to 255 is displayed. (0: Successful completion) The statuses of a total of 8 sections (4 colors on the front and rear sides) are displayed. • The adjustment value is the sum of (*1), and this specifies the cause of the detection abnormality as in the example below. (E.g. 1) When the value of FS-05-4720 is 72 72 = 64 + 8 K on the rear side and M on the front side detection abnormality (E.g. 2) When the value of FS-05-4720 is 146 146 = 128 + 18 = 128 + 16 + 2 K on the front side, C on the rear side, Y on the front side detection abnormality |
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© 2021 – 2023 Toshiba Tec Corporation All rights reserved e-STUDIO2020AC/2520AC ERROR CODE AND TROUBLESHOOTING
| Check item | Measures |
| 8. Image position aligning sensors check | Check if the light emitting area of the image position aligning sensors emits LEDs and if the reflected lights on the transfer belt surface are detected by the light receiving area of the image position aligning sensors. 1. Perform FS-03-[F2]ON/[1]/[B] to check the image position aligning sensor (front). 2. Perform FS-03-[F2]ON/[1]/[A] to check the image quality/position aligning sensor (rear). 3. Perform FS-03-125 to turn on the sensor shutter solenoid. 4. Perform FS-03-126 to turn on the LED of the image position aligning sensors. 5. Perform FS-03-[F2]ON/[1]/[B] to check the image position aligning sensor (front). 6. Perform FS-03-[F2]ON/[1]/[A] to check the image quality/position aligning sensor (rear). 7. Compare the statuses of [A] and [B] displayed in steps 1 and 2 and steps 5 and 6. – Both [A] and [B] are changed: Both image position aligning sensors are operating normally. – [A] remains the same: The image position aligning sensor on the rear side is not operating normally. – [B] remains the same: The image position aligning sensor on the front side is not operating normally. – Both [A] and [B] remain the same: Both image position aligning sensors are not operating normally. 8. Perform FS-03-176 to turn off the LED of the image position aligning sensors. 9. Perform FS-03-175 to turn off the sensor shutter solenoid. 10. Turn OFF the power of the MFP. 11. If both sides of the image position aligning sensors are operating normally, go to step10. In other cases, go to step 9. |
| 9. LGC board | • PC board check • Connector check (CN351) • Harness check • Replace the PC board. |
e-STUDIO2020AC/2520AC © 2021 – 2023 Toshiba Tec Corporation All rights reserved
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| Parts to be replaced | Remarks |
| Transfer belt unit | |
| OLED printer head | |
| Image quality control unit | |
| Sensor shutter solenoid (SOL1) | |
| Main charger | |
| LGC board | |
| High-voltage transformer | |
| Spring of the high-voltage supply contact point |
| Check item Measures 10. Check with the test pattern Perform FS-04-286. 1. Check if the printed image of the test pattern in each color contains a difference in density on its front, center and rear sides, or if there is any defectiveness in the whole image. If there is any abnormality, check the following items. – Check the status of the transfer belt and the photoconductive drum. – Check the amount of the developer material. – Check if the developer material is supplied on the developer sleeve. 2. Check if images are printed normally without yellow, magenta, cyan or black streaks in the secondary scanning direction. If there is an abnormality, check if the main charger wire of the color of the streaks is stained. 3. Check if images are printed normally without white streaks in the secondary scanning direction. If there is an abnormality, check if the OLED printer head is stained. 4. Check if a certain color in images is turned into black solid. If there is an abnormality, check the OLED printer head or the high- voltage transformer of the color having the problem. Check if the harness between the LGC board and the high-voltage transformer is open circuited. Check if a power failure to the main charger has occurred. 5. Check if the density of both the front and rear sides is light. Check if the status of the images is other than the above ones (1 to 4). If there is any abnormality, check the following items. – Check if the connector of the high-voltage transformer is disconnected. – Check if the harness between the LGC board and the high- voltage transformer is open circuited. Check if a power failure to the main charger has occurred. – Check if the spring of the high-voltage supply contact point is deformed. If it is, replace it. – Check if foreign matter adheres to the spring of the high-voltage supply contact point. If it does, clean it. – Replace the high-voltage transformer. 13. Forced color registration control of image control Perform FS-05-4719 to check that the error does not occur. 14. Enabling of the execution mode setting of the color registration control After performing the measures and operation check, be sure to carry out the following steps. 1. Perform FS-08-4546 (Execution mode setting of the color registration control). 2. Set the value to “1” (default value). 3. Turn OFF the power of the MFP. 4. Check if the image position aligning sensors are not stained. |
© 2021 – 2023 Toshiba Tec Corporation All rights reserved e-STUDIO2020AC/2520AC ERROR CODE AND TROUBLESHOOTING
Call for Service CA00: Expert Toshiba Photocopier Solution BD
Introduction:
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