Kyocera TASKalfa 7052ci

1. "Check the document processor" appears.

Step	Check description	Assumed cause	Measures
1	Executing U244	The DP opening/closing sensor does not operate properly.	Check the operation of the DP opening/closing sensor by executing U244 [Open]. If it does not operate properly, reattach it.
2	Checking the wire	The wire is improperly con- nected or faulty.	Clean the terminal of the fol- lowing wire connectors and reinsert the connectors. Replace the wire when it has no continuity.• DP opening/ closing PWB - DP main PWB
3	Checking the DP opening/ closing sensor signal	The DP opening/closing sensor signal output is faulty.	Check the output of the DP opening/closing sensor signal from the DP main PWB.
4	Replacing the DP main PWB	The DP main PWB is faulty.	Replace the DP main PWB.
5	Checking the wire	The wire is improperly con- nected or faulty.	Clean the terminal of the fol- lowing wire connectors and reinsert the connectors. Replace the wire when it has no continuity.• DP main PWB - Engine PWB
6	Firmware Update	The firmware is faulty.	Upgrade the firmware to the latest version.
7	DP replacement	The document processor is faulty.	Replace the document pro- cessor.

2. The cover open message appears after closing the front cover.

Step	Check description	Assumed cause	Measures
1	Checking the front cover switch	The front cover is aligned with the other exterior cov- ers.	When the front cover switch does not turn on even if clos- ing the front cover, but when it can turn on by direct push- ing, check the front cover. If the cover is not aligned to the other exterior covers, reat- tach it. When the switch does not always turn on, go to the next step.
2	Checking the wire	The connectors are not properly connected or the wire is faulty.	Clean the terminal of the fol- lowing wire connectors and reinsert the connectors. Replace the wire when it has no continuity.• Front cover switch - Front PWB• Front PWB - Engine PWB
3	Replacing the front cover switch	The front cover switch is faulty.	Replace the front cover switch.

3. The add paper message appears while the paper is loaded on the MP tray.

Step	Check description	Assumed cause	Measures
1	Checking the wire	The connector is not prop- erly connected.	Clean the terminal of the fol- lowing wire connectors and reinsert the connectors. Replace the wire when it has no continuity.• MP paper sen- sor - Relay PWB• Relay PWB - Feed PWB• Feed PWB - Engine PWB
2	Replacing the actuator	The actuator is deformed.	Replace the actuator for the MP paper sensor.
3	Checking the MP paper sensor	The MP paper sensor is not properly attached or it is faulty.	Reattach the MP paper sen- sor, and replace it if it is not fixed.
4	Checking the feed PWB	The feed PWB is faulty.	Reconnect the connectors on the feed PWB. Then, fix or replace the wires if they are pinched by the other part or if they have any damage. When the issue is not resolved after that, replace the feed PWB.
5	Checking the engine PWB	The engine PWB is faulty.	Reconnect the connectors on the engine PWB. Then, fix or replace the wires if they are pinched by the other part or if they have any damage. When the issue is not resolved after that, replace the engine PWB.

The cover open message appears after closing the right cover (conveying unit).

Step	Check description	Assumed cause	Measures
1	Checking the conveying unit switch	The covers are not fitted.	When the conveying unit switch does not turn on even if closing the right cover, but when it can turn on by direct pushing, check the right cover. If the cover is not aligned to the other exterior covers, reattach it. When the switch does not always turn on, go to the next step.
2	Checking the wire	The connectors are not properly connected or the wire is faulty.	Clean the terminal of the following wire connectors and reinsert the connectors. Replace the wire when it has no continuity.• Conveying unit switch - Feed PWB• Feed PWB - Engine PWB
3	Replacing the conveying unit switch	The conveying unit switch is faulty.	Replace the conveying unit switch