Epson Stylus COLOR 3000 Service Manual

Troubleshooting
EPSON Stylus Color 3000 Service Manual
5-14
Table 5-6. Component Repair of the C203 Main Board (continued)
Condition Cause Checkpoint Solution
Symptom: The pump does not operate normally.
The pump motor does
not operate normally.
Sub gate array IC6
is defective.
Check the waveform for one of the
following signals output from the
IC18: PUA0/1 (Pin1/2)
PUB0/1 (Pin23/24).
Pin 18 on the IC18
Pin 24 on the IC18
Waveform 11
Replace the main
board.
IC18 is defective. Check the waveform for one of the
following signals from IC18:
A (Pin 6), /A (Pin 3)
B (Pin 18) /B (Pin 21)
(Refer to the waveform 11.)
Replace the main
board or IC18.
The pump motor is
defective.
Check if the resistance of the
motor coil is as follows;
7.7 Ω ± 10 % at 25°C
(Refer to Table 5-1.)
Symptom: The printer does not perform the self-test.
The printer does not
perform the self-test.
Sub gate array IC6
is defective.
Run a Self-test and check the
waveforms for the signals SBDATA
(Pin 24) and SCDATA (Pin 24)
output from IC22:
Pin 24 on the IC22
Pin 18 on the CN21
Waveform 12
Replace the main
board.
CPU is defective.

Replace the main
board.
Common driver IC
22 and IC23 are
defective.
Check the common signal
waveform output from one of the
following pins:
CN21:Pin 18, 19, or 20
CN18:Pin 20, 21 or 22
(Refer to waveform 12.)
Replace the main
board or IC22 and
IC23.
Fuse is blown. Check the continuity of fuse F1 on
the main board.
Replace the main
board or the fuse.
Printhead is
defective.

Replace the
printhead.

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