Code :

Code: 0630
Description: DMA error
DMA transmission of image data does not complete within the specified period of time.
Causes: Main/Engine PWB
Remedy: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the main/engine PWB.

Code: 0840
Description: Faults of RTC
(“Time for maintenance T” is displayed) [Check at power up] The RTC setting has reverted to a previous state. The machine has not been powered for 5 years (compared to the settings stored periodically in the EEPROM). The RTC setting is older than 00:01 on January 1, 2000. [Checked periodically (in 5- minute interval) after powered up] The RTC setting has reverted to a state older than the last time it was checked. 10 minutes have been passed since the previous check.
Causes: Battery ( main PWB). Main/Engine PWB.
Remedy: Battery ( main PWB) 1. Make sure that the back-up batteries on the main/engine PWB are not shortcircuited. 2. Reset Maintenance T by executing U906. 3. If the same C call is displayed when power is switched on and off, replace the back up battery. 4. If communication error (due to a noise, etc.) is present with the RTC on the main/engine PWB, check the PWB is properly grounded.
Main/Engine PWB Replace the main/engine PWB.

Code: 1810
Description: Paper feeder unit 2 communication error
A communication error from paper feeder is detected 10 times in succession.
Causes: Paper feeder. PF main PWB. Main/Engine PWB.
Remedy: Paper feeder Check the wiring connection status with the main unit and, if necessary, try connecting it again.
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 (YC1) and main/engine PWB (YC18) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PFMain/Engine PWB 1. Check the main/engine software and upgrade to the latest, if necessary. 2. Replace the main/engine PWB. main PWB.

Code: 1820
Description: Paper feeder unit 3 communication error
A communication error from paper feeder is detected 10 times in succession.
Causes: Paper feeder. PF main PWB. Main/Engine PWB
Remedy: Paper feeder Check the wiring connection status with paper feeder unit 2 and, if necessary, try connecting it again.
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 (YC1) and PF main PWB (YC2). 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB.
Main/Engine PWB 1. Check the main/engine software and upgrade to the latest, if necessary. 2. Replace the main/engine PWB.

Code: 1830
Description: Paper feeder unit 4 communication error
A communication error from paper feeder is detected 10 times in succession.
Causes: Paper feeder. PF main PWB. Main/Engine PWB.
Remedy: Paper feeder Check the wiring connection status with paper feeder unit 3 and, if necessary, try connecting it again.
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 (YC1) and PF main PWB (YC2). 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the PF main PWB.
Main/Engine PWB 1. Check the main/engine software and upgrade to the latest, if necessary. 2. Replace the main/engine PWB.

Code: 1900
Description: Paper feeder unit 2 EEPROM error
When writing the data, read and write data does not match 4 times in succession.
Causes: PF main PWB (EEPROM)
Remedy: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 2. Replace the PF main PWB.

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