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Chapter 66-102. If the media causes excessive ink seepage, change the media.3. Clean the head and repeat adjustment. Replace the head if adjustment is still not possible after cleaning the head.4. Replace the registration sensor and repeat adjustment.5. Replace the head relay PCB.6. Replace the carriage relay PCB.7. Replace the engine controller.8. Replace the system controller.6.1.4.18 E02B04/ Upper cover sensor error0008-6521This is displayed when the upper cover safety switch has detected upper cover open status even though it is locked.Upper cover, upper cover safety switch, upper cover lock unit, engine controller and system controller1. Operation checkReplace the sensor if the upper cover sensor flag or upper cover safety switch is damaged, deformed or is otherwise malfunctioning.Remove any foreign objects adhering to the upper cover lock unit.2. Upper cover safety switchCheck operation using SERVICE MODE>I/O DISPLAY, and replace if anything does not function normally.3. Cable connection checkReplace the cable connecting the upper cover safety switch and engine controller if the connection is not functioning normally.4. Upper cover lock unitCheck operation, and replace if it is not functioning normally.5. Cable connection checkReplace the cable between the upper cover lock unit and engine controller if the connection is not functioning normally.6. Replace the engine controller.7. Replace the system controller.6.1.4.19 E02B05/ E02B07/ Right cover sensor error0008-6522This is displayed when the right cover sensor has detected right cover open status even though it is locked.Right cover, right cover lock unit, right cover sensor, engine controller, system controller1. Visual checkReplace the right cover or right cover lock unit if any of them are damaged, deformed, or otherwise does not function normally.2. Right cover sensorCheck operation using SERVICE MODE>I/O DISPLAY, and replace if anything does not function normally.3. Cable connection checkReplace the cable between the right cover sensor and engine controller if the connection is not functioning normally.4. Replace the engine controller.5. Replace the system controller.6.1.4.20 E02B06/ Carriage cover sensor error0008-6523This is displayed when the carriage cover sensor has detected that the carriage cover is open while the upper cover is locked.Operating procedure, carriage cover sensor, carriage relay PCB, engine controller, system controller1. Operation checkClose the carriage cover firmly.2. Visual checkReplace the carriage cover if it is damaged, deformed, or otherwise does not function normally.3. Carriage cover sensorCheck operation using SERVICE MODE>I/O DISPLAY, and replace if anything does not function normally.4. Cable connection checkReplace the cable between the carriage cover sensor and carriage relay PCB if the connection is not functioning normally.5. Replace the carriage relay PCB.6. Cable connection checkReplace the cable between the carriage relay PCB and engine controller if the connection is not functioning normally.7. Replace the engine controller.8. Replace the system controller.6.1.4.21 E02B08/ Paper release lever error0010-0372The pinch roller pressure sensor has detected that the paper release lever is open while the upper cover is locked.Operating procedure, pinch roller pressure sensor, engine controller, system controller |
