Roland VersaCamm SP-540V, Service Notes

Page: 157 / 182

6-3 SHIFTING IN PRINTING
NO CHECKING POINT ACTION
REFERENCE
OUTLINE
1
Media is not set
correctly.
Set Media correctly. Users Manual
Media is not set straight. Make sure to set the Media
straight referring to the Users Manual.
2
Encoder Scale is dirty /
broken.
Clean or Replace
Encoder Scale.
[3-10 Encoder
Scale
Replacement]
When Encoder Scale is dirty or broken, the printing
image can be shifted in a staircase pattern because the
printing position in the scanning direction cannot be
detected correctly.
3
Encoder Module is dirty
/ broken
Clean or Replace
Encoder Module
When Encoder Scale is dirty or broken, the printing
image can be shifted in a staircase pattern because the
printing position in the scanning direction cannot be
detected correctly.
4 Head is out of position. Head Alignment.
[4-4 HEAD
ALIGNMENT]
When the 2 heads are not aligned, the color shifting
occurs and when the bidirectional and horizontal
adjustment is not correct, the shifting occurs in every
band.
5
ABSORPTION FAN
is not working.
FAN Replacement
When the ABSORPTION FAN is not working, Media
floats on the BED and this results in the Shifting in
Printing.
6-4 VERTICAL BANDING
NO CHECKING POINT ACTION REFERENCE OUTLINE
1
Encoder Scale is
dirty.
Clean / Replace
Encoder Scale.
[3-10 Encoder
Scale
Replacement]
When there is scratch or dirt on the Encoder Scale,
the printing image could be affected and the
vertical bandings could be appeared at the position
where there is scratch or dirt. Use KIMWIPE for
cleaning or replace it. Never use chemicals, such
as alcohol, for cleaning.
2 LM Guide is dirty. Clean LM Guide.
When there is dirt on the LM Guide, the Head
carriage has the big moving resistance and the
printing image becomes to be changed from the
other part at the position where there is there is a
dirt . And it results in the vertical banding.
3
There is a dirt in
teeth of Drive Gear.
Clean Drive Gear.
When there is a dirt in the teeth of the Drive Gear,
the movement of the Head Carriage is changed at
the position where there is a dirt. And it results in
the periodical vertical bandings.
4
There is a dirt in
teeth of Motor Gear.
Clean Motor Gear.
When there is a dirt in the teeth of the Motor Gear,
the movement of the Head Carriage is changed at
the position where there is a dirt. And it results in
the periodical vertical bandings.
6-3