e257 Blank Copy

[didi2005]

e257 previously cannot power ON, after replaced power supply unit, machine able to use, but blank print out regardless of copy/print without showing any error...

LGC board? HVT board? Laser Unit?

[riyadh hossainbd]

e257 previously cannot power ON, after replaced power supply unit, machine able to use, but blank print out regardless of copy/print without showing any error...

LGC board? HVT board? Laser Unit?

There are many reason for blank copy
1.Drum rotate?
2.Developer unit rotate ?
3.main charger or transfer charger
4. Hvt

[copier tech]

Id check all your connections to the psb you replaced sounds like you left one disconnected

[didi2005]

LGC board faulty...

[copier tech]

LGC board faulty...

Thanks for the update, 2 failed boards expensive repair!