Epson Stylus COLOR 3000 Service Manual

EPSON Stylus COLOR 3000
EPSON Stylus Color 3000 Service Manual
5
-1
5.1 General Description
This section describes procedures for isolating printer failures at two levels; unit level troubleshooting and
component level troubleshooting. Refer to the flowchart below to isolate the defective unit and perform
repairs at the component level. Tables 5-1, 5-2, and 5-3 show the coil resistance for the motors, sensor
status and error codes, and error conditions, respectively.
Table 5-1 Motor Coil Resistance
Motor
Connector
No.
Test pin No.
Test method
(Set the multimeter to Ohms. Unplug the
power cable from the AC inlet and
disconnect the harnesses from the main
board.)
Meter reading
(at 77°F (25°C)
per phase)
CR
(Carriage)
Motor
CN22
Pins 1 and 2
or
Pins 3 and 4
Place one lead to Pin 1 and the other to Pin
2 and check the coil resistance per phase.
Repeat for Pins 3 and 4.
5 Ω ± 7 %
Pump Motor CN20
Pins 1 and 2
or
Pins 3 and 4
Place one lead to Pin 1 and the other to Pin
2 and check the coil resistance per phase.
Repeat for Pins 3 and 4.
7.7 Ω ± 10 %
PF (Paper
Feed) Motor
CN23
Pins 1 and 3
or
Pins 2 and 4
Place one lead to Pin 1 and the other to Pin
2 and check the coil resistance per phase.
Repeat for Pins 3 and 4.
10 Ω ±10 %
START
Unit-level Troubleshooting
Unit Repair
(C172 PSB/PSE board) (C203 MAIN board) (M-4J60 printer mechanism)
Disassembly, Assembly and Adjustment
END
Unit Repair Unit Repair
Figure 5-1. Troubleshooting Flowchart

Epson Stylus COLOR 3000 Specifications

Printing Resolution

maximum resolution	1440 x 720 dpi
driver setting resolution	720 x 720 dpi
printable width	410 mm

Paper Handling

paper capacity (plain paper)	100 sheets
paper capacity (EPSON Inkjet transparencies)	30 sheets
paper capacity (envelopes)	10 envelopes

Ink Cartridges

black ink cartridge print capacity	Up to 3, 000 pages (A4, text @ 360dpi)
colour ink cartridges print capacity	Up to 2, 100 pages (A4, 360dpi 5% duty each colour)
colour ink cartridges	Cyan, Magenta, Yellow

Operating Environment

operating temperature	10-35°C
operating humidity	20-80% RH
total print volume	75, 000 pages (A3, text only)

Electrical Specifications

rated voltage	AC 220V-240V
rated frequency	50-60 Hz
power consumption	Approx. 21W (ISO 10561 letter pattern)

Weight and Dimensions

weight	18 Kg
width	810 mm
depth	565 mm
height	240 mm