Epson Stylus COLOR 3000 Service Manual

Troubleshooting
EPSON Stylus Color 3000 Service Manual
5-12
Table 5-6. Component Repair of the C203 Main Board (continued)
Condition Cause Checkpoint Solution
The CPU doesn’t
operate. (The driver
mechanism doesn’t
operate properly
at power on/off.)
(continued)
CPU is defective. Check the waveform for one of the
following signals output from the
CPU (IC5):
XTAL (Pin 85), EXTAL (Pin 86)
X
T
A
L
Waveform 8
Replace the main
board or CRU1.
Symptom: The CR does not operate normally.
CR motor does not
rotate normally.
Sub gate array IC16
is defective.
Check the waveform for the signals
HPASEA/B (Pin 7) output from
IC19/20.
HPASE on the IC20 (Pin 7)
OUTA on the IC19 (Pin 10)
Waveform 9
Replace the main
board or IC16.
CPU is defective.

Replace the main
board.
IC19 or IC20 is
defective.
Check the CR drive waveform for
OUTA/B (Pin 10/15) signals output
from IC19/20.
(See waveform 9)
Replace IC19 or
IC20.
CR motor is
defective.
Check if the resistance of the
motor coil is as follows:
5Ω ± 7 % at 25°C per phase
(Refer to Table 5-1.)
Replace the CR
motor.

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