• Code: CD272
• Description: i-Option activated and additional memory and HDD not installed • While the i-Option is activated, the additional memory included in UK-203 and the HDD are not installed.
• Causes: MFP board (MFPB) Hard disk Memory for i-Option (UK-203)
• Remedy: 1 Check the memory (UK-203) for proper connection and correct as necessary. 2 Check the HDD for proper connection and correct as necessary. 3 Change memory (UK-203). 4 Change HDD 5 Change MFPB.

• Code: CD300 ... CD399
• Description: NVRAM data error • Abnormality is detected by the abnormal check of each NVRAM data.
• Causes:
• Remedy: . When the data stored due to the NVRAM trouble is lost, backup data can be used for restoration. . Trouble code [C-D390] will be displayed when multiple errors (over 5) of NVRAM data are detected, which can be restored with one restoration command. . Data backup will be automatically performed every hour. Backup can also be performed manually with the following setting. [Service Mode] - [Enhanced Security] - [NVRAM Data Back Up] 618 1. When a trouble caused by NVRAM data error occurs, the screen below appears. 2. Select [Yes] and touch [OK]. 3. The screen will be shifted to the data restoration screen to perform data restoration. NOTE • When the restoration is performed in a short time, data restoration screen may not be displayed. 4. Check the message which indicates that the data restoration was successfully conducted. Turn OFF the main power switch and turn it ON again more than 10 seconds after. NOTE • In case it failed to restore data, return to the trouble code screen

• Code: CD401 ... CD407
• Description: CD401: NACK command incorrect CD402: ACK command incorrect CD403: Checksum error CD404: Receiving packet incorrect CD405: Receiving packet analysis error CD406: ACK receiving timeout CD407: Retransmission timeout
• Causes: MFP board (PRCB)
• Remedy: 1 Check whether there is an strong electromagnetic noise source near the main body. 2 Check the connectors on MFPB for proper connection and correct as necessary. 3 Change MFPB.

• Code: CE001 ... CE007
• Description: CE001: Abnormal message queue CE003: Task error CE004: Event error CE005: Memory access error CE006: Header access error CE007: DIMM initialize error
• Causes: Printer control board (PRCB)
• Remedy: 1 Check the connectors on PRCB for proper connection and correct as necessary. 2 Change PRCB.

• Code: CE002
• Description: Message and method parameter failure
• Causes: MFP board (MFPB) Hard disk
• Remedy: 1 Turn OFF the main power switch and turn it ON again, and conduct the following setting. [Service Mode] - [System 1] - [Initialization] - [Data Clear]. 518 . . 2 Format hard disk. . . 3 Change hard disk. . . 4 Change MFPB.

• Code: CEEE1
• Description: MFP board malfunction
• Causes: MFP board (MFPB)
• Remedy: 1 Check the connectors on MFPB for proper connection and correct as necessary. 2 Change MFPB

• Code: CEEE2
• Description: Scanner section malfunction
• Causes: Exposure unit CCD board (CCDB) Scanner relay board (REYB/SCAN)
• Remedy: 1 Correct the connector connection between CCDB and MFPB if faulty. 2 Change REYB/SCAN 3 Change CCDB

• Code: CEEE3
• Description: Printer control board malfunction
• Causes: Printer control board (PRCB)
• Remedy: 1 Check the PRCB connector for proper connection and correct as necessary. 2 Change PRCB