This document provides supplementary information to describe the EPSON Stylus COLOR 500, which is a
follow-on version of the EPSON Stylus COLOR II. Therefore, you must refer to this information in conjunction
with the EPSON Stylus COLOR II Service Manual for details on any subjects common to both printers.
-i-
EPSON Stylus COLOR 500 Service ManualProduct Description
1.1 FEATURES
The EPSON Stylus COLOR 500 is a small-footprint, personal-use color ink jet printer. The major new
features of this printer are:
❏ Newly developed black and color inks
High-quality black printing
Deep color printing
❏ Simple control panel operation
3 No lock switches
4 LED lamps
❏ A new design for the left guide edge locking mechanism in the ASF (auto sheet feeder)
Table 1-1. Consumables
ModelDescription
S020093
S020097Color ink cartridge
S041059
S041025
S041060
S041061EPSON premium paper for 720 dpi printing (A4)
S041026
S041062EPSON premium paper for 360 dpi printing (Letter)
S041067
S041048
S041071
S041072High-quality glossy paper (Letter)
S041063
S041064
S041054
Monochrome ink cartridge
EPSON premium paper for 360 dpi printing (A4)
EPSON premium paper for 360 dpi printing (A4)
EPSON premium paper for 360 dpi printing (Letter)
EPSON premium paper for 720 dpi printing (A4)
EPSON premium paper for 360 dpi printing (Legal)
EPSON premium paper for 360 dpi printing (Legal)
High-quality glossy paper (A4)
Transparency film (A4)
Transparency film (Letter)
EPSON premium card stock for 720 dpi printing (A6)
Rev.A1-1
Product DescriptionEPSON Stylus COLOR 500 Service Manual
1.2 SPECIFICATIONS
This section provides detailed information about the EPSON Stylus COLOR 500.
1.2.1 Printing Specification
Table 1-2. Character Tables and Typefaces
Bitmap fontsScalable fonts
EPSON
Roman
EPSON
Character Tables
Sans Serif
EPSON
Courier
EPSON
Prestige
EPSON
Script
Italic
PC437 (U.S., Standard Europe)
PC850 (Multilingual)
PC437 Greek
PC852 (East Europe)
PC853 (Turkish)
PC855 (Cyrillic)
PC857 (Turkish)
PC866 (Russian)
PC869 (Greek)
MAZOWIA (Poland)
Code MJK (CSFR)
ISO 8859-7(Latin/Greek)
ISO Latin 1T (Turkish)
Bulgaria (Bulgaria)
SupportedSupportedSupported
Supported
SupportedSupported
Not
supported
1.2.2 Electric Specification
Power consumption120vApprox.18W (ISO10561 Letter pattern)
220-240VApprox. 18W (ISO10561 Letter pattern)
Energy Star compliant
1-2Rev.B
DATA (n)
DATA
-STROBE
BUSY
-ACKNLG
500 ns (min.)
500 ns (min.)500 ns (min.)
0 (min.)
0 (min.)
500 ns ~10 µs
0 (min.) 500 ns (max.)
DATA (n+1)
* : The rise and fall time of every output signal must be less than 120 ns.
The rise and fall time of every input signal must be less than 200 ns.
EPSON Stylus COLOR 500 Service ManualProduct Description
1.3 INTERFACES
1.3.1 Hardware Interfaces
This section fully describes the EPSON Stylus COLOR 500 interfaces. The printer offers both a parallel and
serial interface, standard.
1.3.1.1 Parallel Interface
Forward Channel
Transmission mode:8 bit parallel, IEEE-1284 compatibility mode
Synchronization:
Handshaking:BUSY and
Signal level:TTL compatible level (IEEE-1284 level 1 device)
Connector type:57-30360 (Amphenol or equivalent)
STROBE pulse
ACKNLG signal
The BUSY signal is set to HIGH before either
ERROR is set LOW or PE is set HIGH, and BUSY is held
HIGH until all these signals return to the inactive state. The BUSY signal goes HIGH in the following cases:
• During data entry (See data transmission timing).
• When the input data buffer is full.
• When the
• During a printer error condition (see
INIT signal is at a LOW level, or during hardware initialization.
ERROR signal).
• During self-test printing.
• In default setting mode.
• When the parallel interface is not selected.
The
ERROR signal is LOW when the printer is in one of the following conditions:
• Printer hardware error (fatal error condition).
• Paper-out error.
• Release lever operation error.
The PE signal is HIGH during a paper-out error.
Rev.A1-3
Figure 1-1. Data Transmission Timing
Product DescriptionEPSON Stylus COLOR 500 Service Manual
Table 1-4 shows the connector pin assignments and signals for the 8-bit parallel interface.
Table 1-3. Connector Pin Assignments and Signals (Forward Channel)
Pin No.Signal Name
1
2 ~ 9DATA 0 ~ 720 ~ 27
10ACKNLG28
11BUSY29
12PE28O
13SLCT28O
14
15NC——Not connected.
31
STROBE19I
AFXT30I
INIT30I
Return
GND Pin
I/ODescription
This is strobe pulse. Reading of data is
performed at the falling edge of this pulse.
Signals DATA0 ~ DATA7 represent data bits 0
to 7, respectively. When a DATA signal is
I
HIGH, the data is logical 1 and when LOW,
data is logical 0.
This signal is a negative pulse indicating that
O
the printer can accept more data.
When this signal is HIGH, the printer cannot
O
receive data.
When this signal is HIGH, the printer detects a
paper-out error.
This signal is always HIGH when the printer is
powered on.
The falling edge of a negative pulse or a LOW
signal on this line causes the printer to
initialize. A 50 µs pulse, minimum, is
necessary.
32
36
18Logic H—
35+5 V—
17Chassis GND—
16, 33
19 - 30
15, 34NC—
ERROR29
SLIN30
GND—
When this signal is LOW, the printer detects an
O
error.
I
Not used.
O
Pulled up to +5 V via 3.9 KΩ resistor.
O
Pulled up to +5 V via 3.3 KΩ resistor.
—
Chassis ground.
—
Signal ground.
—
Not used.
1-4Rev.B
EPSON Stylus COLOR 500 Service ManualProduct Description
Reverse Channel
Transmission mode:IEEE-1284 nibble mode.
Connector:See forward channel.
Synchronization:Refer to the IEEE-1284 specification.
Handshaking:Refer to the IEEE-1284 specification.
Data transmission timing:Refer to the IEEE-1284 specification.
Signal level:Refer to the IEEE-1284 specification.
Table 1-4. Connector Pin Assignments and Signals (Reverse Channel)
Return
Pin No.Signal Name
1Host Clk19IHost clock signal.
2 ~ 9DATA0 ~ 720 - 27I
GND
Pin
I/ODescription
DATA0 ~ DATA7 signals represent data bits 0
to 7, respectively. Each signal is at a HIGH
level when data is logical 1 and at a LOW
level when data is logical 0.
These signals are used to transfer the
extensibility request values (described in
IEEE-P1284) to the printer.
10PtrClk28OPrinter clock signal.
11
12
13
14Host Busy30IHost busy signal.
31
32
361284-Active30IActive signal for IEEE-P1284 mode.
18Logic-H
35+5 V—O
17Chassis GND—
16, 33
19 - 30
15, 34NC——Not connected.
Ptr Busy /
Data Bits 3, 7
Ack Data Req /
Data Bits 2, 6
Xflag / Data Bits 1,
5
INIT30INot used.
Data Avail /
Data Bits 0, 4
GND——Signal ground.
29O
28O
28O
29O
—
Printer busy signal and reverse channel
transfer data 3 or 7.
Acknowledge data request signal and reverse
channel transfer data bit 2 or 6.
X-flag signal and reverse channel transfer
data bits 1 or 5.
Data available and reverse channel data bits
0 or 4.
O
Pulled up to +5 V via 3.9K Ω resistor.
Pulled up to +5 V via 3.3K Ω resistor.
—
Chassis ground.
Note:I / O refers to direction of the signal flow from the view of the printer.
Rev.A1-5
Product DescriptionEPSON Stylus COLOR 500 Service Manual
Extensibility
Request
Device IDThe printer sends following device ID string when it is requested:
The printer responds affirmatively when the extensibility request values are 00H or 04H.
That means:
00H:Request Nibble Mode Reverse Channel Transfer
04H:Request Device ID;
EPSON Stylus COLOR 500 Service ManualProduct Description
1.4 POWER AND CONTROL PANEL OPERATIONS
This section describes the controls used to operate the EPSON Stylus COLOR 500.
1.4.1 Power Switch
The Power switch is in the right rear corner of the printer.
CAUTION
This switch is for the primary power supply circuit. Therefore, you must put the printer in the
waiting condition to make it cap the head before power off.
1.4.2 CONTROL PANEL
The control panel for this printer is in the center of the upper case. The panel has 3 non-lock type pushbuttons
and 4 LEDs.
Power
Ink Out
Ink Out
Paper Ou t
Cleaning
Figure 1-2. Panel Appearance
1.4.2.1 Buttons and Indicators
Cleaning (Black)
This button makes the printer perform the black head cleaning.
Cleaning (Color)
This button makes the printer perform the color head cleaning.
Load / Eject
This button loads and ejects paper.
❏ After you hold down Load / Eject for 3 seconds, the printer carriage moves to the ink cartridge
installation position. When Load / Eject is pressed again, the CR returns to the home position.
CleaningLoad / Eject
Rev.A1-7
Product DescriptionEPSON Stylus COLOR 500 Service Manual
Indicators
Power
Lights when the printer’s Power switch is On, and AC power is supplied.
Ink Out (Black)
Lights when there is no ink in the black ink cartridge, and blinks when the black ink cartridge is low.
Ink Out (Color)
Lights when there is no ink in the color ink cartridge, and blinks when the color ink cartridge is low.
Paper Out
Lights during a paper out, and blinks during a paper jam.
1-8Rev.B
EPSON Stylus COLOR 500 Service ManualProduct Description
1.4.3 Panel Functions at Power On
The table below gives functions for different button combinations at power on.
+ Cleaning (Color),
Load / Eject less than 3 seconds
Note :1. “+” indicates pressing one button while holding the other button(s) down.
2. EEPROM and Timer IC resets are for use by authorized servicers only.
Enters hex dump mode.
Enters reset mode for the EEPROM and Timer IC.
(Factory and service use only.)
Rev.A1-9
Product DescriptionEPSON Stylus COLOR 500 Service Manual
1.4.4 Printer Conditions and Status
This section describes how the printer indicates status and error conditions using LEDs.
Table 1-6. Indicator Status
LEDs
Printer Status
Power
Power on conditionOn———
Data existBlinks———
Ink sequenceBlinks———
Ink cartridge change modeBlinks———
Paper out———On
Ink Out
(Black)
Ink Out
(Color)
Paper
Out
Paper jam condition———Blinks
No ink cartridge or Ink end (black)—On——
Ink level low (black)—Blinks——
No ink cartridge or Ink end (color)——On—
Ink level low (color)——Blinks—
Maintenance request
EEPROM and timer reset—On for 1 second only
Fatal error
Blinks
Rapidly
Blinks
Rapidly
Blinks
Rapidly
OnOnOn
Blinks
Rapidly
Notes:When transparency paper is selected, unidirectional printing is selected.
— Does not affect status listed in the left-hand column.
Blinks
Rapidly
1-10Rev.B
START
The printer pr ints out:
ROM Version No.
Protect Counter Value
Cleaning
(Black)
Print current settings.
Select the menu
for setting d efau lts?
Select the menu :
Cleaning (Black) button
Set the menu :
Cleaning (Color) button.
Power off the printer
END
Hold down the
Load / Eject
button with pow er on.
Use the language
setting mode.
Select language
for setting defaults?
Cleaning
(Color)
Cleaning
(Black)
Change the value :
C leaning (Blac k) button
Set the value :
Cl ean ing (Co lor ) bu tton .
Continue setting
defaults?
Yes
No
EPSON Stylus COLOR 500 Service ManualProduct Description
1.4.5 Default Settings
This printer has user-selectable default settings, which it refers to at initialization. The default (and factory)
settings are listed in the table on the next page.
1.4.5.1 Setting Method
The method of setting defaults is shown in the flowchart below.
Figure 1-3. Default Setting Flowchart
Rev.A1-11
Product DescriptionEPSON Stylus COLOR 500 Service Manual
1.4.5.2 Setting Menus
The default setting menus are:
Table 1-7. Default Settings
Menus
Print direction
Font
Pitch
I/F mode
Auto I/F wait mode
Software
Auto CR
(IBM mode only)
AGM
(IBM mode only)
Character tables
(standard version)
Settings
(Underlines Indicate Factory Default Settings)
Auto / Bi-D / Uni-D
Roman / Sans Serif /
Courier / Prestige / Script / Roman T /
Sans Serif H
10 cpi / 12 cpi / 15 cpi / 17.1 cpi / 20 cpi / Proportional
Auto / Parallel / Serial
10 seconds / 30 seconds
ESC/P2 / IBM X24E
On /
Off
Off
On /
Italic U.S.A.Italic France
Italic GermanyItalic U.K.
Italic DenmarkItalic Sweden
Italic ItalyItalic Spain 1
PC 437PC 850
PC 860PC 863
PC 865PC 861
BRASCIIAbicomp
Italic U.S.A.Italic France
Italic GermanyItalic U.K.
Italic DenmarkItalic Sweden
Italic ItalyItalic Spain 1
Character tables
(NLSP version)
PC 437PC 437 Greek
PC 850PC 853
PC 855PC 852
PC 857PC 866
PC 869MAZOWIA
Code MJKISO 8859-7
ISO Latin 1TBulgaria
Auto line feedOn /
Network I/F mode
Loading position3 mm /
Thick paper
Economy mode
Note*1. Other settings are set using special commands for the EEPROM.
Off
Off: Used in standalone environment
On: Used in network environment
8.5 mm / Others *
Envelopes / Index cards (portrait)
Off
On /
1
1-12Rev.B
EPSON Stylus COLOR 500 Service ManualProduct Description
1.5 INK CARTRIDGE SPECIFICATIONS
Black
TypeExclusive cartridge
ModelS020093
ColorBlack
Print capacity620 pages/ A4 (LQ Roman EQMAtext)
Ink Life2 years from production
Storage temperature20 °C~40°C (–4° F ~ 104° F)
Storage, less than a month at 40 °C (104° F)
–30 °C~40°C (86° F ~ 104°F)
Packing storage, less than a month at 40 °C (104° F)
–30 °C~60°C (86° F ~ 140°F)
Transit, under 120 hours at 60° C(140°F)
and less than a month at 40° C (104° F )
Dimensions19.8 mm (W) × 52.7 mm (D) × 38.5 mm (H)
0.8" (W) x 2.1" (D) x 1.5" (H)
Color
TypeExclusive cartridge
ModelS020097
ColorMagenta, cyan, yellow
Print capacity320 pages /A4 (360 dpi, 5% duty, each color)
Ink Life2 years from production
Storage temperatures–20°C~40°C(–4°F ~ 104°F)
Storage, less than a month at 40° C (104° F)
–30° C~40°C(86°F ~ 104° F)
Packing storage, less than a month at 40° C (104° F)
–30° C~60°C(86°F ~ 140° F)
Transit, less than 120 hours at 60 °C (140° F)
and less than a month at 40° C (104° F )
Dimensions42.9 mm (W) × 56.8 mm (D) × 38.5 mm (H)
1.7" (W) x 2.2" (D) x 1.5" (D)
Rev.A1-13
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