• Code: EC57 4040
• Description: Unset time error in RTC (support number : 6702) Memo : Remove the error in service mode when handling is completed.
• Causes: Unsetting GMT in RTC is detected at printer start-up in user mode.
• Remedy: 1 Check if the battery is mounted in the I/F 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 error (support number : 6700) Memo : Remove the error in service mode when handling is completed.
• Causes: Reading / writing on information is disabled.
• Remedy: 1 Check I/F PCB UNIT connection Proper connection Go to 2. Improper connection Connect the I/F PCB UNIT. 2 Replace the I/F PCB UNIT. The problem is resolved Complete. The problem is not resolved Replace MAIN PCB UNIT. (After replacement, perform board replacement mode and necessary adjustments.)

• Code: EC58 2F12
• Description: Backup PCB abnormal EEPROM error (support number : 4801)
• Causes: BACKUP PCB UNIT EEPROM Memo : Remove the error in service mode when handling is completed.
• Remedy: 1 Check the cable connection Proper connection Replace the BACKUP PCB UNIT. Improper connection Connect the cable.

• Code: EC59 3002
• Description: Wireless LAN device non-connection error (support number : 6910)
• Causes: Wireless LAN device is not recognized.
• Remedy: 1 Check the WIRELESS LAN PCB UNIT flexible cable connection Proper connection Replace the WIRELESS LAN PCB UNIT. Improper connection Connect the flexible cable.

• Code: EC59 3003
• Description: Wireless LAN hardware error (support number : 6911)
• Causes: The wireless LAN device is physically broken.
• Remedy: 1 Check the WIRELESS LAN PCB UNIT flexible cable connection Proper connection Replace the WIRELESS LAN PCB UNIT. Improper connection Connect the flexible cable.

• Code: FF0000 2E3F
• Description: Paper feeding failure (support number : 1300)
• Causes: Paper jam occurs.
• Remedy: 1 Release the release lever. Reload the paper. (Remove left paper pieces and check the top edge of the paper.) The error is removed Complete. The error is not removed Go to 2. 2 Replace the following parts from the top and check if the error is removed after each replacement. • ROLL PAPER FEED SENSOR UNIT. • HARNESS ASS’Y, RLNIP PF SNS. • PAPER ENTRY SENSOR. • DRIVE NIP ARM UNIT. • MULTI SENSOR UNIT. Adjustment and counter reset is necessary. • ACTIVE ROLL BRAKE UNIT. Adjustment and counter reset is necessary. 3 Check other suspected cause. • Media related cause (size, media type mismatch, paper turn-up at the top edge) • Curly end edge of the roll paper• Avoid the paper with strong stiffness or heavy roll paper.