| 01-01 | An end of form sensor detects paper end. | |
| 02-01 | Stacker full switch detects stacker full. | |
| 04-01 | Toner empty sensor detects toner hopper is empty. | |
| 05-01 | Waste toner bottle is full. | |
| 05-02 | The waste toner bottle is not installed. | |
| 06-01 | The developer unit is empty. | |
| 07-01 | Transfer unit set switch detects that the transfer unit is not set in standby. | |
| 07-02 | Transfer unit set switch detects that the transfer unit is not set during printing or paper exhausting. | |
| 07-10 | Transfer unit home switch detects that the transfer unit is not home during developer replacement sequence. | |
| 08-03 | The fuser open switch detects that the fuser unit is open during printing or paper exhausting. | |
| 08-04 | (Pin feed paper) Paper tension lever position sensor 1 or 2 detects the release of the scuff rollers in standby. | |
| 08-04 | (Pinless paper) Paper tension lever position sensor 1 or 2 detect the release of the scuff rollers in standby, when paper is not loaded. | |
| 08-04 | (Pinless paper) Paper tension lever position sensor 1 or 2 do not detect the release of the scuff rollers in standby, when paper is loaded. | |
| 08-05 | (Pin feed paper) Paper tension lever position sensor 1 or 2 do not detect the release of the scuff rollers during printing or paper exhausting. | |
| 08-05 | (Pinless paper) Paper tension lever position sensor 1 or 2 do not detect the release of the scuff rollers during printing or paper exhausting. | |
| 08-10 | The scuff pinch roller unit set switch detects that the scuff pinch rollers 1 and 2 cover is open in standby. | |
| 08-11 | The scuff pinch roller unit set switch detects that the scuff pinch rollers 1 and 2 cover is open during printing or paper exhausting. | |
| 09-01 | Stacker has stopped or failed to move. | |
| 09-01 | Top of stack sensor (receiver) does not detect paper after the auto switch on the stacker panel is pressed. | |
| 09-02 | The stacker table set switch detects that the stacker table is not home | |
| 09-03 | The stacker table lower safety switch or stacker table upper safety switch is actuated. | |
| 09-05 | The paper length guide protection switch (right) or paper length guide protection switch (left) detect that the paper length guide is raised while the stacker paper length guide motor is not running. | |
| 09-0A | The stacker/post-processor output sensor detects that the gate position does not match the destination of paper except during printing/paper exhausting. | |
| 09-0B | The stacker/post-processor output sensor detects that the gate position does not match the destination of paper during printing/paper exhausting. | |
| 09-0C | Pinless/pinfeed output sensor detects that the selector does not match the paper type (pin feed/pinless) except during printing. | |
| 09-0D | Pinless/pinfeed output sensor detects that the selector does not match the paper type (pin feed/pinless) during printing. | |
| 09-0D | Pinless/pinfeed output sensor detects that the selector does not match the paper type (pin feed/pinless) when stopping the machine in the event of an emergency. |
