Kyocera TASKalfa 305
Troubleshooting. Electric problems 4
If the part causing the problem was not supplied, use the unit including the part for replacement. Troubleshooting to each failure must be in the order of the numbered symptoms.
| Problem | Causes | Check procedures/corrective measures |
|---|---|---|
| (16) A message indicating cover open is displayed when the front cover or right cover is closed. | 1. Deformed actuator of the interlock switch. | Check visually and replace if necessary. |
| 2. Defective interlock switch. | Replace the interlock switch. | |
| (17) The LED lamp does not turn on when original is present on the DP. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP original sensor and DP main PWB (YC3) DP main PWB (YC1) and engine PWB (YC18) |
| 2. Defective DP original sensor. | Replace the DP original sensor. | |
| 3. Defective PWB. | Replace the DPLED PWB and check for correct operation. | |
| Replace the engine PWB and check for correct operation | ||
| (18) The size of original on the DP is not displayed correctly. | 1. Defective connector cable or poor contact in the connector | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP original size width sensor and DP main PWB (YC4) DP original size length sensor and DP main PWB (YC2) DP main PWB (YC1) and engine PWB (YC18) |
| 2. Defective original size sensor. | Replace the DP original size width sensor or DP original size length sensor. | |
| 3. Defective PWB. | Replace the DP main PWB or engine PWB and check for correct operation | |
| (19) DP paper feed motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP paper feed motor and DP main PWB (YC9) DP main PWB (YC1) and engine PWB (YC18) |
| 2. Defective drive transmission system. | Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. | |
| 3. Defective motor. | Replace the DP paper feed motor. | |
| 4. Defective PWB. | Replace the DP main PWB or engine PWB and check for correct operation | |
| (20) DP switchback motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP switchback motor and DP main PWB (YC9) DP main PWB (YC1) and engine PWB (YC18) |
| 2. Defective drive transmission system. | Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. | |
| 3. Defective motor. | Replace the DP switchback motor. | |
| 4. Defective PWB. | Replace the DP main PWB or engine PWB and check for correct operation |