Code :
- Code: 377
- Description: Vt error [M]
During the image development, Vt value is less than 0.5V.
- Causes: • Poor connection (TD sensor outputs is less than 0.5V.) • Defective TD sensor
- Code: 380
- Description: Black development motor error
- Causes: • Defective motor • Defective BCU
- Code: 381
- Description: Color development motor error
- Causes: • Defective motor • Defective BCU
- Code: 385
- Description: ID sensor VSG adjustment error
Vsg is the out of adjustment range during a process control self-check. Adjustment range: 4.0 ± 0.5V
- Causes: • Defective ID sensor • Dirty ID sensor • ID sensor disconnected • Dirty drum (cleaning incomplete)
- Code: 386
- Description: Development gamma error K
- Causes: • Unsuitable toner density • Toner supply mechanism problem • Laser exposure problem • Image transfer problem
- Code: 387
- Description: Development gamma error Y
- Causes: • Unsuitable toner density • Toner supply mechanism problem • Laser exposure problem • Image transfer problem
- Code: 388
- Description: Development gamma error C
- Causes: • Unsuitable toner density • Toner supply mechanism problem • Laser exposure problem • Image transfer problem
- Code: 389
- Description: Development gamma error M
- Causes: • Unsuitable toner density • Toner supply mechanism problem • Laser exposure problem • Image transfer problem