| 故障排查: |
Procedure
Remove the Drum Cartridge (K) and the Developer Housing Assembly (K) and cheat the Front Cover Interlock Switch and the Front Cover Open Switch.
Enter the Diag mode and turn ON DC330 [042-002] (Drum_K/Deve_K/IBT Motor).
Does the Drum_K/Deve_K/IBT Motor rotate?
Y N
Turn OFF the power. Install the Drum Cartridge (K) and the Developer Housing Assembly (K), and remove the IBT Belt Assembly.
Turn ON the power, enter the Diag mode and turn ON DC330 [042-002] (Drum_K/Deve_K/IBT Motor).
Does the Drum_K/Deve_K/IBT Motor rotate?
Y N
Turn OFF the power and disconnect the power plug. Check the following connections for open circuits, short circuits, and poor contacts.
Between the Motor Drive PWB J426 and the Drum_K/Deve_K/IBT Motor J202
Between the Motor Drive PWB J427 and the Drum_K/Deve_K/IBT Motor J212
If no problem is found, replace the following parts in sequence: However, each time a
parts is replaced, check whether the Fail is still occurring and return the part if it has
no problems.
Main Drive Assembly (PL 3.1, PL 3.2)
Motor Drive PWB (PL 18.2, PL 18.5)
Check the IBT Belt Assembly for loading and loading due to blockage at the IBT Waste Toner Collector Auger section.
Turn OFF the power and install the Drum Cartridge (K) and the Developer (K).
Turn ON the power, enter the Diag mode and turn ON DC330 [042-002] (Drum_K/Deve_K/IBT Motor).
Does the Drum_K/Deve_K/IBT Motor rotate?
Y N
Check the Drum Cartridge (K) and the Developer Housing Assembly (K) for loading.
Turn OFF the power and disconnect the power plug. Check the following connections for open circuits, short circuits, and poor contacts.
Between the Low model: Drum_K/Deve_K/IBT Motor J212-4 and the Motor Drive PWB J427-9
Between the Mid/High model: Drum_K/Deve_K/IBT Motor J212-4 and the Motor Drive
PWB J427-A9
If no problem is found, replace the Motor Drive PWB. (PL 18.2, PL 18.5) |
