| A0-3F | Emergency stop in duplex mode only. | |
| A1-91 | Smoke blower controller fault detected. | |
| A1-91 | Toner blower isolating switch is off. | |
| A1-99 | Smoke blower rotation sensor detects abnormal rotation of the smoke blower. | |
| A1-C4 | Smoke grill cleaner motor over current detected. | |
| A1-C5 | The smoke grill cleaner home position sensor is not actuated within the correct time after smoke grill cleaning motor is on. | |
| A1-C5 | The smoke grill cleaner home position sensor is not deactuated within the correct time after smoke grill cleaning motor is on. | |
| A2-90 | Fuser cooling fans controller fault detected. | |
| A2-90 | Toner blower isolating switch is off. | |
| A3-30 | Top of stack sensor is not actuated within the correct time after stacker table motor start. | |
| A3-30 | Stacker full switch is not actuated within the correct time after stacker table motor start. | |
| A3-31 | Stacker table lower limit switch is actuated | |
| A3-31 | Stacker table upper limit switch is actuated. | |
| A3-31 | Paper length guide up switch is actuated. | |
| A3-33 | Paper length guide home position sensor is not actuated within the correct time after paper length guide motor start. | |
| A3-34 | Paper length guide motor over current detected. | |
| A3-35 | Paper length guide motor rotation sensor is not actuated after length guide motor start. | |
| A3-38 | Stacker table motor over current detected. | |
| A3-39 | Scuff pinch rollers drive motor fault detected. | |
| A3-3A | Scuff rollers motor cooling fan does not rotate. | |
| A3-3B | Swing guide motor fault detected. | |
| A3-3C | Swing guide home position sensor is not actuated within the correct time after swing guide motor start. | |
| A3-3C | Swing guide home position sensor output remains unchanged after swing guide motor start. | |
| A3-3D | Stacker right impeller motor over current detected. | |
| A3-3E | Stacker left impeller motor over current detected. | |
| A3-3F | Mechanism control PWB to input output PWB communications error detected. | |
| A3-40 | Paper length guide protection switch (right) is not actuated within the correct time after stacker right impeller motor start. | |
| A3-40 | Paper length guide protection switch (right) is not deactuated within the correct time after stacker right impeller motor start. | |
| A3-41 | Paper length guide protection switch (left) is not actuated within the correct time after stacker left impeller motor start. | |
| A3-41 | Paper length guide protection switch (left) is not deactuated within the correct time after stacker left impeller motor start. | |
| A3-43 | Swing guide motor cooling fan does not rotate. | |
| AF-82 | LED head cooling fan does not rotate. | |
| AF-84 | Fuser under plate cooling fan does not rotate. | |
| AF-86 | Smoke blower cooling fan does not rotate. | |
| AF-94 | IOT motor controllers fan does not rotate. | |
| AF-95 | Stacker motor controllers cooling fan does not rotate. | |
| AF-96 | Power control unit cooling fans do not rotate. | |
| AF-97 | Controller cooling fan (left) does not rotate. | |
| AF-98 | Controller cooling fan (right) does not rotate. | |
| AF-9D | Developer motors controller cooling fan upper does not rotate. | |
| AF-9E | Developer motors controller cooling fan lower does not rotate. | |
| AF-A0 | Transfer unit ozone fan does not rotate. | |
| AF-A1 | Pre-charger fan does not rotate. | |
| AF-A2 | Motor driver PWB large cooling fan does not rotate. | |
| AF-A2 | Motor driver PWB small cooling fan does not rotate. | |
| AF-A3 | Choke coil cooling fan (upper) does not rotate. | |
| AF-A3 | Choke coil cooling fan (lower) does not rotate. | |
| AF-A4 | The suction unit fan (front) or the suction unit fan (rear) does not rotate. | |
| AF-A5 | High voltage power supply cooling fan does not rotate | |
| AF-A7 | LED head cooling fan (process environment) does not rotate. |