Epson Stylus Color 1520 Service Manual

EPSON Stylus COLOR 1520
Rev. A
5-1
0
5.4 Component Repair of the C211 MAIN Board
This section provides information which enables you to repair and replace defective components on the
C211-B MAIN board. Table 5-6 and 5-7 lists the causes for each symptom in order of possibility, with
which you are able to find and repair the defective part.
Table 5-6. Component Repair of the C211 MAIN Board (1)
Symptom Condition Cause Checkpoint Solution
The printer
does not
operate at all.
CPU doesn’t
operate.
The driver
mechanism
doesn’t operate
properly at
power on/off.
Reset circuit is
defective.
Check the /RESET signal at
the pin 1 and 5 V line at pin 3
of the IC1.
Replace the MAIN
board or the reset IC.
Selection of ROM
and sub gate array
is abnormal.
Check the /CS1 (Pin 1) and
/CS2 (pin 2) of the CPU (IC7)
for the change in the signal
High and Low.
Replace the MAIN
board.
CG-ROM or PROM is defective. Replace the MAIN
board or PROM.
CPU is defective. Check the signal form of the
XTAL (pin 85) and EXTAL (pin
86) of the CPU (IC7).
Replace the MAIN
board or CRU1.
CR does not
operate
normally.
CR motor
does not rotate
normally.
Sub gate array
IC5 is defective.
Check the waveforms of
DATA A (pin 6) or DATA B
(pin 17) of the IC17.
PF drive output
DATA
Replace the MAIN
board or IC17.
CPU is defective. Replace the MAIN
board.

Epson Stylus Color 1520 Specifications

General

Color	Yes
Maximum resolution	600 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)	- ppm
Maximum input capacity	100 sheets
Envelopes sizes	10, C5, DL
Standard media sizes	4\
Paper tray media types	Envelopes, Labels, Plain paper
Non-ISO print media sizes	Legal
ISO A-series sizes (A0...A9)	A4
ISO B-series sizes (B0...B9)	B5
Power requirements	120V AC, 50/60 Hz
Printing noise level	45 dB
Maximum operating temperature range (T-T)	-20 - 60 °C
Market positioning	Home & office