Description: Sub-ink tank unit power supply error (support number: 6502)
Causes: The power is not supplied to ink tank ROMs.
Remedy: 1 Check the MAIN PCB UNIT cable connection. Proper connection Go to 2. Improper connection Connect the cable. 2 Check if the ink tank is empty. Not empty Replace the ink tank unit (replacement procedure for INK SUPPLY UNIT). Empty Replace the ink tank.
Code: EC57 4040
Description: RTC time unknown (support number: 6702) Memo: Remove the error in service mode when handling is completed.
Causes: Unset of GMT in RTC is detected at printer start-up in user mode.
Remedy: 1 Check if the battery is mounted in the MAIN PCB UNIT. Battery is mounted Replace the battery and set GMT time by [OTHERS>RTC SETTING] GMT. Battery is not mounted Remount the battery and set GMT time by [OTHERS>RTC SETTING]. GMT time = Greenwitch Mean Time
Code: EC57 404F
Description: RTC non-connection (support number: 6700) Memo: Remove the error in service mode when handling is completed.
Causes: Reading / writing to RTC data is disabled.
Remedy: 1 Reboot. The problem is resolved Complete. The problem is not resolved Replace MAIN PCB UNIT*. *After replacement, perform PCB replacement mode and necessary adjustments.
Causes: Reading / writing to BACKUP PCB UNIT EEPROM is disabled.
Remedy: 1 Check the cable connection. Proper connection Replace the BACKUP PCB UNIT. Improper connection Connect the cable.
Code: FF0000 2E3F
Description: Paper feeding failure (other) (support number: 1300)
Causes: Paper jam error other than above cases occurs.
Remedy: 1 Release the release lever. Reload the paper. (Remove left paper pieces and check the leading efge of the paper.) 2 Check other suspected cause. •Media related cause. (size, media type mismatch, turn-up at the tip of the paper) •Curly bottom tip of the roll paper. •Avoid the paper with strong stiffness or heavy roll paper.