Toshiba DP1610
Troubleshooting. Image. 02 Blurred image, Blank copy
(2) Blurred image
| Step | Cause/Defect area | Check items | Measures |
|---|---|---|---|
| 1 | Paper | Paper in cassette or LCF damp? | Change paper. Avoid storing paper in damp place. |
| 2 | Machine installation place | Is machine installed on a slant surface? |
Place machine on flat surface. |
| 3 | Process unit (developer) | Is toner running short? | Replace toner cartridge. Check to see that toner empty sensor and empty detection circuit operate properly. |
| 4 | Transfer charger unit | Transfer charger wire dirty? | Clean transfer charger wire. |
| 5 | Transfer charger wire slacked? | Replace transfer charger unit. | |
| 6 | Foreign matter such as dust sticking to transfer guide roller? | Clean transfer guide roller. | |
| 7 | Process unit (drum) | Drum bedewed or dirty? | If problem persists, replace process unit or drum. Note: Never touch drum surface. |
| 8 | Laser scanner unit | Foreign matter or dust on lens? | Remove foreign matter or dust with blower. (Do not use a cloth.) |
| 9 | If problem persists after measures are applied, or there is no problem found the above check, follow procedure described in right column. |
Replace the process unit, transfer unit, or laser scanner unit. |
(3) Blank copy
| Step | Cause/Defect area | Check items | Measures |
|---|---|---|---|
| 1 | Transfer charger unit | Transfer charger unit securely installed? | Re-install transfer charger unit securely. |
| 2 | Transfer charger wire cut off? | Replace transfer charger unit. | |
| 3 | Process unit (terminals) | Drum ground terminals/developing bias terminals and corresponding terminals of main body stained? |
Clean drum ground terminals, developing bias terminals and corresponding terminals of main body. |
| 4 | Process unit drive system | Is sleeve gear and agitator gear driven when main motor is manually rotated clockwise? |
If any is damaged, replace process unit or damaged part. |
| 5 | Is drum coupling driven when main motor is manually rotated clockwise? | If any is damaged, replace process unit or damaged part. | |
| 6 | Process unit deformation | Process unit deformed? | Replace process unit. |
| 7 | Laser scanner unit | Foreign matter or stain on lens? | Remove foreign material or stain with blower. (Do not use a cloth.) |
| 8 | HVPS (transfer charger and developer bias) | High-voltage output defective? | Adjust output from HVPS, or replace defective HVPS. |
| 9 | If problem persists after measures are applied, or there is no problem found in above check, follow procedure described in right column. | Replace process unit, laser scanner unit, HVPS or main PWA. |