Epson Stylus 500 Service Manual

EPSON COLOR INKJET PRINTER
Stylus-500
SERVICE MANUAL
EPSON
4006359

PREFACE

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 Manual Product 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
Model Description
S020093 S020097 Color ink cartridge S041059 S041025 S041060 S041061 EPSON premium paper for 720 dpi printing (A4) S041026 S041062 EPSON premium paper for 360 dpi printing (Letter) S041067 S041048 S041071 S041072 High-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.A 1-1
Product Description EPSON 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 fonts Scalable fonts
EPSON Roman EPSON
Character Tables
Sans Serif EPSON Courier EPSON Prestige EPSON Script
EPSON Roman EPSON Sans Serif
EPSON Roman T EPSON Sans Serif H
Standard version
NLSP version
Italic PC437 (U.S., Standard Europe) PC850 (Multilingual) PC860 (Portuguese) PC861 (Icelandic) PC863 (Canadian-French) PC865 (Nordic) BRASCII Abicomp
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)
Supported Supported Supported
Supported
Supported Supported
Not supported

1.2.2 Electric Specification

Power consumption 120v Approx.18W (ISO10561 Letter pattern)
220-240V Approx. 18W (ISO10561 Letter pattern) Energy Star compliant
1-2 Rev.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 Manual Product 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.A 1-3
Figure 1-1. Data Transmission Timing
Product Description EPSON 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 ~ 9 DATA 0 ~ 7 20 ~ 27
10 ACKNLG 28
11 BUSY 29
12 PE 28 O
13 SLCT 28 O 14
15 NC Not connected.
31
STROBE 19 I
AFXT 30 I
INIT 30 I
Return
GND Pin
I/O Description
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
18 Logic H — 35 +5 V — 17 Chassis GND
16, 33
19 - 30
15, 34 NC
ERROR 29
SLIN 30
GND
When this signal is LOW, the printer detects an
O
error.
I
Not used.
O
Pulled up to +5 V via 3.9 Kresistor.
O
Pulled up to +5 V via 3.3 Kresistor.
Chassis ground.
Signal ground.
Not used.
1-4 Rev.B
EPSON Stylus COLOR 500 Service Manual Product 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
1 Host Clk 19 I Host clock signal.
2 ~ 9 DATA0 ~ 7 20 - 27 I
GND
Pin
I/O Description
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.
10 PtrClk 28 O Printer clock signal. 11
12
13 14 Host Busy 30 I Host busy signal.
31 32 36 1284-Active 30 I Active signal for IEEE-P1284 mode.
18 Logic-H 35 +5 V O 17 Chassis GND
16, 33
19 - 30
15, 34 NC Not connected.
Ptr Busy /
Data Bits 3, 7
Ack Data Req /
Data Bits 2, 6
Xflag / Data Bits 1,
5
INIT 30 I Not used.
Data Avail /
Data Bits 0, 4
GND Signal ground.
29 O
28 O
28 O
29 O
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 resistor. Pulled up to +5 V via 3.3K resistor.
Chassis ground.
Note: I / O refers to direction of the signal flow from the view of the printer.
Rev.A 1-5
Product Description EPSON Stylus COLOR 500 Service Manual
Extensibility Request
Device ID The 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;
Return Data Using Nibble Mode Channel Transfer.
ESC/P2 mode X24E mode 00H 3AH 00H 3BH MFG: EPSON; MFG: EPSON; CMD:ESCPL2-00 CMD: PRPXL24-00 MDL: Stylus COLOR 500; MDL: Stylus COLOR 500; CLS: PRINTER; CLS: PRINTER;
Note: 00H denotes a hexadecimal value of zero.
1-6 Rev.B
EPSON Stylus COLOR 500 Service Manual Product 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.
Cleaning Load / Eject
Rev.A 1-7
Product Description EPSON 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.
1-8 Rev.B
EPSON Stylus COLOR 500 Service Manual Product Description

1.4.3 Panel Functions at Power On

The table below gives functions for different button combinations at power on.
Table 1-5. Panel Functions at Power On
Button Pressed along with Power On
Cleaning (Black) Starts demonstration print. Load / Eject Enters the default setting mode. Load / Eject + Cleaning (Black) Enters the printer adjustment mode. Cleaning (Color) Starts LQ self-test printing. Load / Eject + Cleaning (Color) Enters the ink smudge prevention mode. Cleaning (Black) + Cleaning
(Color) Load / Eject + Cleaning (Black)
+ 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.A 1-9
Product Description EPSON 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 condition On
Data exist Blinks — Ink sequence Blinks — Ink cartridge change mode Blinks
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
On On On
Blinks
Rapidly
Notes: When transparency paper is selected, unidirectional printing is selected.
— Does not affect status listed in the left-hand column.
Blinks
Rapidly
1-10 Rev.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 Manual Product 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.A 1-11
Product Description EPSON 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 Germany Italic U.K. Italic Denmark Italic Sweden Italic Italy Italic Spain 1 PC 437 PC 850 PC 860 PC 863 PC 865 PC 861 BRASCII Abicomp
Italic U.S.A. Italic France Italic Germany Italic U.K. Italic Denmark Italic Sweden Italic Italy Italic Spain 1
Character tables (NLSP version)
PC 437 PC 437 Greek PC 850 PC 853 PC 855 PC 852 PC 857 PC 866 PC 869 MAZOWIA Code MJK ISO 8859-7 ISO Latin 1T Bulgaria
Auto line feed On /
Network I/F mode
Loading position 3 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
1-12 Rev.B
EPSON Stylus COLOR 500 Service Manual Product Description

1.5 INK CARTRIDGE SPECIFICATIONS

Black
Type Exclusive cartridge Model S020093 Color Black Print capacity 620 pages/ A4 (LQ Roman EQMAtext) Ink Life 2 years from production Storage temperature 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, under 120 hours at 60° C(140°F) and less than a month at 40° C (104° F )
Dimensions 19.8 mm (W) × 52.7 mm (D) × 38.5 mm (H)
0.8" (W) x 2.1" (D) x 1.5" (H)
Color
Type Exclusive cartridge Model S020097 Color Magenta, cyan, yellow Print capacity 320 pages /A4 (360 dpi, 5% duty, each color) Ink Life 2 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 )
Dimensions 42.9 mm (W) × 56.8 mm (D) × 38.5 mm (H)
1.7" (W) x 2.2" (D) x 1.5" (D)
Rev.A 1-13
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