• Code: 17
• Description: Blank Page Print Out (When Receiving) Blank page is printed out when receiving.
• Causes: 1.Ink cartridge 2.Main B'D.
• Remedy: 1. Check if the sender transmits the document properly. 2. Check if there remains some amount of ink. (Ex: COPY TEST/SELF TEST) 1. Replace the ink cartridge. 2. If it is normal in the Copy Test and in the Self Test, try to replace the Main B'D.

• Code: 18
• Description: Vertical Black Line (When Copying). Vertical black lines occur in the printing.
• Causes: 1.CIS ASS'Y 2.Main B'D.
• Remedy: 1. Check if there are substance materials on CIS. 2. Perform a Adjust Scanner to check if the waveform is normal. 3. Clean the cartridge nozzle. 1. If there are some stains on the surface of CIS, wipe them off with alcohol (IPA). 2. If the CIS waveform is abnormal, replace the CIS ASS'Y. 3. Clean the nozzle and confirm again. 4. After confirming the CIS waveform and cleaning the nozzle, if the vertical black lines still occur, then try to replace the Main B'D. Notes: After replacing the CIS, you must perform a Adjust Scanner.

• Code: 19
• Description: Vertical Black Line (When Receiving). It is normal when copying, but the vertical black lines occur in the printing when receiving.
• Causes: Main B'D.
• Remedy: 1. Check if the FAX status of the transmitting side is normal. (Ex. Let the transmitter copy once.) 2. Clean the cartridge nozzle. 1. Even when the transmitting side is normal and after having finished cleaning, if the same problem still exists, then try to replace the Main B'D.

• Code: 20
• Description: Contaminated Stains on Paper. Contaminated stains on the copied and received paper occur in the printing.
• Causes: 1.CIS ASS'Y 2.Main B'D.
• Remedy: 1. Check the status of document. 2. Check the waveform by performing a Adjust Scanner. 1. If the CIS waveform is abnormal, try to replace the CIS ASS'Y. 2. In case the CIS waveform is normal but the print quality is bad, try to replace the Main B'D. Notes : After replacing the CIS, you must perform a Adjust Scanner (using clean papers).

• Code: 21
• Description: Bad Printed Image. The copied and received image is light or bad.
• Causes: 1.CIS ASS'Y
• Remedy: 1. Check the CIS waveform. 2. Test and check the cartridge arrangement. 3. Clean the cartridge nozzle. 1. In case the CIS waveform is good, clean the outlet of cartridge. 2. In case the CIS waveform is abnormal, try to replace the CIS ASS'Y. 3. Even after cleaning the outlet of nozzle, the received data image is still bad, then replace the cartridge. 4. Try to replace the Main B'D. Notes: After replacing the CIS, you must perform a Adjust Scanner (using pure clean papers).

• Code: 22
• Description: Vertical Lines are printed crookedly. The vertical lines are printed crookedly.
• Causes: Cartridge
• Remedy: 1. Test and check the cartridge arrangement. 1. Perform the cartridge arrangement to set up black/color newly. Repeat it several times until you get the sufficient condition.

• Code: 23
• Description: Bad Color (Intensity)-only SF-331P. The color is different from the original document in the printing.
• Causes: 1.Capacity of Ink Cartridge
• Remedy: 1. It may occur when the amount of specific ink in the ink cartridge (color) is deficient. 1. After checking if the capacity of ink cartridge is deficient, try to replace it.

• Code: 24
• Description: No Dial Tone. While on-hook button is pressed, there is no dial tone.
• Causes: 1.LIU B'D 2.OPE ASS'Y 3.Main B'D.
• Remedy: 1. Check if the telephone line cord is connected to TEL LINE correctly. 2. Check if it makes CLICK sound while OHD key is pressed. 3. Check the connection of HARNESS between the LIU and the Main B'D. 4. Check if the SPEAKER is connected correctly. 1. If the telephone cord is normal but there is no dial tone, then try to replace the LIU B'D. 2. If you cannot hear the OHD CLICK sound, the OPE ASS'Y may be defective. Try to replace the OPE ASS'Y. 3. Check the connection of Speaker, and try to replace it. 4. Lastly, try to replace the Main B'D.