sharp arm450

[sam234]

hi
every one can someone help me am a newbie here ............ my sharp arm450 copier . when coping with the adf passer it cant copy front and back at he same time it give black or black at one side of and copies the other side.

[blackcat4866]

All the common problem will require a technician.

The SPF may be misaligned on the copier. There may be a problem with the CIS unit or the main SPF harness.

My best advise to you is to hire a competent copier technician to solve this problem for you.