• Code: 25
• 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. Notes: Product supports the MF DIAL type only.

• Code: 26
• 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: 27
• 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: 28
• 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: 29
• 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: 30
• 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

• Code: 31
• Description: Defective FAX RECEIVE (4) The received data is reduced by more than 50% in the printing.
• Causes: Telephone line
• Remedy: Check the FAX status of the forwarding side. After checking the data of the forwarding side, correct the FAX of the forwarding side.

• Code: 32
• Description: Defective Automatic Receiving. The automatic receiving function is not working.
• Causes: 1.The RECEIVE mode (LCD WINDOW) 2.LIU BOARD 3.Main B'D.
• Remedy: 1. Check if the RECEIVE mode is TEL MODE or FAX MODE. 1. If the RECEIVE mode is set to the TEL MODE, reset it to the FAX MODE. 2. Even after the RECEIVE mode is changed to the FAX mode, it cannot receive, then try to replace the LIU and the Main B'D in sequence.