Description: FAX PWB large data transmission error DMA transmission failed between the main/engine PWB and FAX PWB
Remedy: FAX PWB Reattach the FAX PWB. FAX PWB or main/engine PWB Replace the FAX PWB or main/engine PWB.
Code: 0920
Description: Fax file system error The backup data is not retained for file system abnormality of the flash memory of the FAX PWB.
Remedy: FAX PWB Replace the FAX PWB.
Code: 0970
Description: 24V power down detect The power shutoff was detected by the controller
Remedy: Interlock switch Check that the interlock switch is turned on properly by the front cove. Low voltage power supply PWB Check if there is defective connection in the connector of the low voltage power supply PWB, and then check the 24V output from the main/engine PWB (YC20-1, 2,3). If not, replace the low voltage power supply PWB. Main/Engine PWB Replace the main/engine PWB and check the operation.
Code: 1810
Description: Communication error with the paper feeder (1st PF) No paper feeder was detected after the paper feeder connection was detected at power-up
Remedy: Paper feeder Check the wiring connection status with the main unit, and if necessary, reconnect it. PF main PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. PF main PWB - Main/engine PWB (YC17) 2. If the wiring is disconnected, shortcircuited or has a ground fault, replace the wire. 3. Replace the PF main PWB. Main/ Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the main/engine PWB.
Code: 1820
Description: Communication error with the paper feeder (2nd PF) No paper feeder was detected after the paper feeder connection was detected at power-up
Remedy: Paper feeder Check the wiring connection status with the main unit, and if necessary, reconnect it. PF main PWB 1. Confirm that the wiring connector is firmly connected, and if necessary, connect the connector all the way in. PF main PWB and Main/engine PWB (YC47) 2. If the wiring is disconnected, shortcircuited or has a ground fault, replace the wire. 3. Replace the PF main PWB. Main/ Engine PWB 1. Check the engine firmware and upgrade to the latest version if necessary. 2. Replace the main/engine PWB.
Code: 2000
Description: Main motor steady-state error After the main motor was stabilized, the ready signal was not detected for consecutive 1s.
Remedy: Wire and connector between the main motor and main/engine PWB (YC9) If the connector is not inserted enough, reinsert it. Or check the wire's continuity and replace the wire if there is no continuity. Main motor drive transmission system Check if each roller and gear rotate smoothly. Apply grease to the bushings and gears if they are faulty. Check each gear if it is damaged and replace it if there is damage. Main motor Replace the main motor. Main/Engine PWB Replace the main/engine PWB.