• Code: E020-xx81
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  When the background (intermediate transfer belt) is read during patch detection, the P_base_adj value is lower than 255. The ATR sensor is damaged or has an open circuit. The connector has poor contact. The ITB cleaner is faulty.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.

• Code: E020-xx90
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  The result (Sig D) of computation based on the reading of the patch during patch detection (analog)) is lower than 16.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.

• Code: E020-xx91
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  The result (Sig D) of computation based on the reading of the patch during patch detection (analog) is 1008 or higher. The patch sensor is damaged or has an open circuit. The connector has poor contact. The primary transfer pressure is faulty. The mounting of the developing assembly is faulty.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.

• Code: E020-xx92
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  The value delta D obtained from the result (Sig D) of computation based on the reading of the patch during patch detection is -5.0% or more 3 times continuously. The patch sensor may be damaged or has an open circuit. The connector has poor contact. The primary transfer engagement is faulty. The mounting of the developing assembly is faulty. The amount of supply is low.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.

• Code: E020-xx93
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  The value delta D obtained from the result (Sig D) of computation based on the reading of the patch during patch detection is +5.0% or lower 3 times continuously. The patch sensor is damaged or has an open circuit. The connector has poor contact. The primary transfer pressure is faulty. The mounting of the developing assembly is faulty. The amount of supply is low.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.

• Code: E020-xxA0
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  For ATR control, the Sig value is lower than 62. The ATR sensor is damaged or has an open circuit. The connector has poor contact.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.

• Code: E020-xxA1
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  For ATR control, the Ref value is lower than 62. The ATR sensor is damaged or has an open circuit. The connector has poor contact.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.

• Code: E020-xxA1
• Description: There is an ATR error. xx=01 for Y; xx=02 for M; xx=03 for C; xx=04 for without color distinction
  For ATR control, the Ref value is lower than 62. The ATR sensor is damaged or has an open circuit. The connector has poor contact.
• Remedy: Turn off and then on the main power; then, execute the intermediate transfer belt.