Kyocera ECOSYS M2135dn Service Manual page 428

(1-9) Black dots appear in the image
Image sample
1. Table scanning
Trouble location
1 Original
2 Contact glass
3 FFC cable CIS
4 Main/Engine PWB
2. DP scanning
Trouble location
1 Original
2 Slit glass
3 FFC cable CIS
4 Main/Engine PWB
Check
Check if the original document
is dirty.
Check if the contact glass is
dirty.
Check the FFC cable connec-
tion between the CIS and the
main PWB / the engine PWB.
Or, check the wire's continuity.
Main/Engine PWB is defective.
Check
Check if the original document
is dirty.
Check if the slit glass is dirty.
Check the FFC cable connec-
tion between the CIS and the
main PWB / the engine PWB.
Or, check the wire's continuity.
Main/Engine PWB is defective.
2S0/2S1/2S2/2S3/2S4/2S5/2SG/2SH/3RA-1
Replace the original document if it is dirty.
If the contact glass is dirty, clean it and the
shading plate at the backside of it.
If the connector is not inserted enough, rein-
sert it. Replace the wire if there is no continu-
ity.
Replace the main/engine PWB. (see page 4-
94)
Replace the original document if it is dirty.
If the slit glass is dirty, clean it with the shading
plate at the backside.
If the connector is not inserted enough, rein-
sert it. Replace the wire if there is no continu-
ity.
Replace the main/engine PWB. (see page 4-
94)
7-53
Measures
Measures