Difference Between Vt2000 Series And Vt2105 - Ricoh C211 Service Manual

2. DIFFERENCE BETWEEN VT2000 SERIES
AND VT2105
No. Iter
1. CCD
2. Thermal Head
Drum Ink Roller
3.
Layout
SM
The pixel density of the VT2105 is 300
dots/inch. Corresponding to this, the CCD used
on the VT2105 is the same as the one used on
the SS800 series.
Number of effective
Pixels:
Reading Length:
Photo Signal Storage: 5 ms
Due to pixel density change, the thermal head
has been changed.
Density of thermal
heating elements
Number of thermal
heating elements
Memory length
To ensure paper separation from the drum, the
ink roller has been shifted forward the paper
feed table.
The distance L has been changed from 5.0 mm
to 3.5 mm.
VT2100 series
[A]
[B]
L
L = 5.0 mm
NOTE: The optional color drum for the VT2105
is commonly used for the VT2100 series.
(The distance L of the color drum is
4.5 mm)
1-4
Remarks
3648pixels
309 mm
300 dots/inch
3072 dots
256 mm
VT2105
L' = 3.5 mm
[A]
[B]
L'
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