Printhead Specifications; Carriage Mechanism - Epson Stylus C58 Service Manual

Epson Stylus C58/C59/ME 2/C79/D78/C90/C91/C92/D92/T20/T20E/T23/T26/S20/T10/T11/ME 30/T21/T24/T27/S21

2.2.1 Printhead Specifications

The Printhead of this product is a D2-CHIPS type.
Nozzle configuration
Monochrome 90 nozzles
Color 29 nozzles x 3 (Cyan, Magenta, Yellow)
The following shows the arrangement of the nozzles and the color arrangement of each
nozzle line when viewed the printhead from behind.
Cyan: 29nozzles
Magenta: 29nozzles
Yellow: 29nozzles
Carriage Moving Direction
Figure 2-2. Nozzle Rear View
OPERATING PRINCIPLES
2.822mm
(40/360 inch)
K#90
C#29
K#89
C#1
M#29
Paper Loading
Direction
M#1
Y#29
Y#3
K#3
Y#2
0.2117mm
K#2
Y#1
(1/120 inch)
K#1

2.2.2 Carriage Mechanism

Main components of the carriage mechanism are carriage unit (including printhead,
CR encoder sensor), CR motor, timing belt, and CR scale.
2.2.2.1 CR Motor Specifications
Item
Type
Drive voltage
Electric resistance
Inductance
Drive method
Drive IC
Printer Mechanism
Table 2-1. CR Motor Specifications
Specification
Motor with DC brush
±
+42 V 5% (applied voltage to the driver)
Ω ±
28.8 10%
±
20.1 mH 25%
PWM, constant-current chopping
A6628
Revision E
23
Confidential