• Code: E770
• Description: Original width detection sensor-1 paper remaining jam
• Remedy: 1. Check if there is any paper on each sensor. Remove it if there is. 2. Is each sensor working? (Perform input check: 03) [E746]: [FAX]/ON/[5]/[B], [E762]: [FAX]/ON/[7]/[H], [E770]: [FAX]/ON/[8]/[F], [E771]: [FAX]/ON/[8]/[G], [E772]: [FAX]/ON/[8]/[H], [E773]: [FAX]/ON/[7]/[F], [E775]: [FAX]/ON/[5]/[D], [E777]: [FAX]/ON/[7]/[E] 3. Check if the connector CN74 or CN75 on the RADF board is disconnected from the original registration sensor or the harnesses are open-circuited. Correct if this is the case. 4. Replace each sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: E771
• Description: Original width detection sensor-2 paper remaining jam
• Remedy: 1. Check if there is any paper on each sensor. Remove it if there is. 2. Is each sensor working? (Perform input check: 03) [E746]: [FAX]/ON/[5]/[B], [E762]: [FAX]/ON/[7]/[H], [E770]: [FAX]/ON/[8]/[F], [E771]: [FAX]/ON/[8]/[G], [E772]: [FAX]/ON/[8]/[H], [E773]: [FAX]/ON/[7]/[F], [E775]: [FAX]/ON/[5]/[D], [E777]: [FAX]/ON/[7]/[E] 3. Check if the connector CN74 or CN75 on the RADF board is disconnected from the original registration sensor or the harnesses are open-circuited. Correct if this is the case. 4. Replace each sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: E772
• Description: Original width detection sensor-3 paper remaining jam
• Remedy: 1. Check if there is any paper on each sensor. Remove it if there is. 2. Is each sensor working? (Perform input check: 03) [E746]: [FAX]/ON/[5]/[B], [E762]: [FAX]/ON/[7]/[H], [E770]: [FAX]/ON/[8]/[F], [E771]: [FAX]/ON/[8]/[G], [E772]: [FAX]/ON/[8]/[H], [E773]: [FAX]/ON/[7]/[F], [E775]: [FAX]/ON/[5]/[D], [E777]: [FAX]/ON/[7]/[E] 3. Check if the connector CN74 or CN75 on the RADF board is disconnected from the original registration sensor or the harnesses are open-circuited. Correct if this is the case. 4. Replace each sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: E773
• Description: Intermediate transport sensor paper remaining jam
• Remedy: 1. Check if there is any paper on each sensor. Remove it if there is. 2. Is each sensor working? (Perform input check: 03) [E746]: [FAX]/ON/[5]/[B], [E762]: [FAX]/ON/[7]/[H], [E770]: [FAX]/ON/[8]/[F], [E771]: [FAX]/ON/[8]/[G], [E772]: [FAX]/ON/[8]/[H], [E773]: [FAX]/ON/[7]/[F], [E775]: [FAX]/ON/[5]/[D], [E777]: [FAX]/ON/[7]/[E] 3. Check if the connector CN74 or CN75 on the RADF board is disconnected from the original registration sensor or the harnesses are open-circuited. Correct if this is the case. 4. Replace each sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: E774
• Description: Reading start sensor paper remaining jam
• Remedy: 1. Clean the registration roller and the read roller if they are stained. 2. Is the reading start sensor working? (Perform the input check: 03-[FAX]ON/[7]/[G]) * If it is working properly, proceed to 8. If not, check 3 to 7 below. 3. Check if the connector CN75 on the RADF board is disconnected from the reading start sensor or the harnesses are open circuited. Correct if any. 4. Perform the automatic adjustment of the original reading start sensor (05-356). 5. Perform the manual adjustment of the original reading start sensor. 6. Replace the original reading sensor, and then perform the automatic adjustment of the original reading start sensor (05-356). 7. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356). 8. Replace the registration roller and the read roller if they are worn out.

• Code: E775
• Description: Reading end sensor paper remaining jam
• Remedy: 1. Check if there is any paper on each sensor. Remove it if there is. 2. Is each sensor working? (Perform input check: 03) [E746]: [FAX]/ON/[5]/[B], [E762]: [FAX]/ON/[7]/[H], [E770]: [FAX]/ON/[8]/[F], [E771]: [FAX]/ON/[8]/[G], [E772]: [FAX]/ON/[8]/[H], [E773]: [FAX]/ON/[7]/[F], [E775]: [FAX]/ON/[5]/[D], [E777]: [FAX]/ON/[7]/[E] 3. Check if the connector CN74 or CN75 on the RADF board is disconnected from the original registration sensor or the harnesses are open-circuited. Correct if this is the case. 4. Replace each sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: E777
• Description: Exit sensor paper remaining jam
• Remedy: 1. Check if there is any paper on each sensor. Remove it if there is. 2. Is each sensor working? (Perform input check: 03) [E746]: [FAX]/ON/[5]/[B], [E762]: [FAX]/ON/[7]/[H], [E770]: [FAX]/ON/[8]/[F], [E771]: [FAX]/ON/[8]/[G], [E772]: [FAX]/ON/[8]/[H], [E773]: [FAX]/ON/[7]/[F], [E775]: [FAX]/ON/[5]/[D], [E777]: [FAX]/ON/[7]/[E] 3. Check if the connector CN74 or CN75 on the RADF board is disconnected from the original registration sensor or the harnesses are open-circuited. Correct if this is the case. 4. Replace each sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: E860
• Description: Original jam access cover open: The Original jam access cover has opened during RADF operation.
• Remedy: 1. Close the Original jam access cover if it is opened. Remove if there is any original before closing it. 2. Is the Original jam access cover opening/closing sensor working? (Perform the input check: 03- [FAX]ON/[7]/[C]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN8 on the RADF board is disconnected from the Original jam access cover opening/closing sensor or the harnesses are open circuited. Correct if any. 4. Replace the Original jam access cover opening/closing sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).