• Code: 25
• Description: Bad Color (Intensity) The color is different from the original document in the printing.
• Causes: 1.Capacity of Ink Cartridge 2.CIS ASS'Y.
• Remedy: 1. It may occur when the amount of specific ink in the ink cartridge (color) is deficient. 2. Check the waveform by performing a CIS test. 1. After checking if the capacity of ink cartridge is deficient, try to replace it. 2. After having performed a CIS shading test, if it is not still improved, then try to replace the CIS ASS'Y. Notes: After replacing the CIS ASS'Y, you must perform the CIS Test (using clean papers).

• Code: 26
• 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.

• Code: 27
• Description: Defective MF DIAL The MF DIAL is not functioning.
• Causes: 1.LIU B'D 2.OPE ASS'Y 3.Main B'D.
• Remedy: 1. Check if the telephone line is connected correctly. 2. Wile the BUTTON KEY is pressed, check to catch a CLICK sound. 3. Check the connection of HARNESS between the LIU and the Main PBA. 1. If you cannot catch the OHD CLICK sound, the OPE ASS'Y may be defective. Try to replace the OPE ASS'Y. 2. If you can catch a CLICK sound, after checking the connection of HARNESS between the LIU and the Main PBA, try to replace the HARNESS. 3. The problem still persists, then replace the LIU and the main B'D in sequence.

• Code: 28
• Description: Defective FAX FORWARD/RECEIVE The FAX FORWARD/RECEIVE is not functioning.
• Causes: 1.LIU B'D 2.Main B'D.
• Remedy: 1. Check if you can catch a dial tone by pressing OHD. 2. Check if you can catch a RECEIVE tone while MODEM testing in the TECH mode. 1. If the MODEM testing is normal and there is no dial tone, then try to replace the LIU B'D. 2. If the MODEM testing is abnormal, try to replace the Main B'D.

• Code: 29
• Description: Defective FAX FORWARD RECEIVE is functioning, but FORWARD is not functioning or the received data are broken.
• Causes: Telephone line
• Remedy: 1. Check if there is NOISE when pressing on-hook dial. 2. Check the RECEIVE condition by trying to forward a FAX to another fax machine from the forwarding side FAX. 3. Check if the telephone line connected to the Product is contaminated or gets stripped off or down. 1. If it makes NOISE while on-hooking, replace or repair the telephone line.

• Code: 30
• Description: Defective FAX RECEIVE (1) FORWARD is functioning, but RECEIVE is not functioning or the received data are broken.
• Causes: Telephone line
• Remedy: 1.Check if there is NOISE when pressing on-hook dial. 2.Check the RECEIVE condition by trying to receive a FAX at another fax machine. 1.If it makes NOISE while on-hooking, replace or repair the telephone line.

• Code: 31
• Description: Defective FAX RECEIVE (2) The received data are lengthened or cut in the printing.
• Causes: Telephone line
• Remedy: 1. Check if there is NOISE when pressing on-hook dial. 2. Ask to the forwarding side, check the image quality of another machine receiving a FAX additionally sent to. 1. If it makes NOISE, rearrange the telephone line. (Refer to 'Defective FAX RECEIVE'.) 2. Check if the FAX status of the forwarding side is also normal.

• Code: 32
• Description: Defective FAX RECEIVE (3) The phone is ringing continuously, but it cannot receive.
• Causes: 1.OPR panel 2.LIU B'D 3.Main B'D.
• Remedy: Check if the RECEIVE mode is TEL MODE or FAX MODE. Even when the RECEIVE mode is changed to FAX MODE, it cannot receive, then replace the LIU and the Main B'D in sequence.