This document provides supplementary information to describe the Stylus Pro XL+, which is a follow-on version
of the Stylus Pro XL. Therefore, you must refer to this information in conjunction with the Stylus Pro XL Service
Manual for details on any subjects common to both printers.
REVISION SHEET
RevisionIssue DateRevision Page
AMarch 15, 1996-1st issue
-ii-
Stylus Pro XL+Product Description
1.1 FEATURES
The Stylus Pro XL+ is a high-quality, high-performance color ink jet printer. This printer is provided with a
standard bidirectional parallel interface suitable for the Microsoft
interface for the Macintosh. The main components and case of this printer are similar to the Stylus Pro XL.
The main features are:
❒High-quality color printing720 dpi printing using EPSON Micro Dot mode
720 dpi printing on:
plain paper
EPSON premium paper
transparencies
❒High print speed720 dpi printing of raster graphics at 200 cps
❒Built-in-3 I/FBidirectional parallel interface (IEEE-1284 nibble mode)
Mac serial interface
Type-B interface (optional)
❒Ink out / low indicatorsBlack and color ink out / ink low indicator LEDs
®
Windows™ 95 environment and a serial
Rev.A1-1
Product DescriptionStylus Pro XL+
1.2 SPECIFICATIONS
This section provides statistical facts and other detailed information for the printer.
1.2.1 Printing Specifications
The table below shows print speeds and printable columns.
Control codes:ESC/P 2 and expanded raster graphics codes
Input data buffer:128K bytes
2289
4578
9156
9156
200 cps
1-2Rev.A
Stylus Pro XL+Product Description
1.2.2 Ink Cartridge Specifications
Black
Type:Exclusive cartridge
Color:Black
Print capacity:1170 pages (ECMA132 letter)
Life:The effective life from the indicated production date is 2 years.
Storage temperature:
Dimensions (W × D × H):26.9 × 67.4 × 41.8 mm (1.06 ×2.65 × 1.65 in.)
–30 ∼ 40° C(−22 ∼ 104° F) Storage under a month at 40° C (104° F)
−30 ∼ 60° C (−22 ∼ 140° F) Transit under a month at 40° C (104° F)
−30 ∼ 60° C (−22 ∼ 140° F) Transit under 120 hours at 60° C (140° F)
Color
Type:Exclusive cartridge
Colors:Cyan, magenta, yellow
Print capacity:620 pages (5% duty for each color, A4, 360 dpi)
Life:The effective life from the indicated production date is 2 years.
Storage Temperature:
Dimensions (W × D × H):54.0 × 67.4 × 41.8 mm (2.13 × 2.65 × 1.65 in.)
Notes:
❒
The ink cartridge cannot be refilled; it is the only consumable item in the printer.
❒
Do not use an ink cartridge that has exceeded the ink life.
❒
Ink freezes below−3°C; however, it can be used after it returns to room temperature.
–30 ∼ 40° C(−22 ∼ 104° F) Storage under a month at 40° C (104° F)
−30 ∼ 60° C (−22 ∼ 140° F) Transit under a month at 40° C (104° F)
−30 ∼ 60° C (−22 ∼ 140° F) Transit under 120 hours at 60° C (140° F)
Rev.A1-3
Product DescriptionStylus Pro XL+
1.3 INTERFACE SPECIFICATIONS
The Stylus Pro XL+ comes standard-equipped with two interfaces: an 8-bit bidirectional parallel and an
RS-422 mini-DIN serial interface for the Macintosh. This printer is also equipped with a slot for an optional
Type B interface.
1.3.1 Parallel Interface Specifications
1.3.1.1 Forward Channel
Transmission mode:8-bit parallel, IEEE-1284 compatibility mode
Synchronization:By
Handshaking:By BUSY and
Signal level:TTL compatible level
Adaptable connector:36-pin 57-30360 (Amphenol or equivalent)
Data transmission timing:See Figure 1-7 of the Stylus Pro XL Service Manual.
Note:
Transition time (rise time and fall time) of every input signal must be less than 0.2
Transition time (rise time and fall time) of every output signal must be less than 0.12
The printer sets the BUSY signal HIGH before setting either the ERROR signal LOW or the PE signal HIGH.
BUSY is held HIGH until all these signals return to their inactive state. The BUSY signal is active (HIGH)
under the following conditions:
❒ During data reception (See Figure 1-7 of the Stylus Pro XL Service Manual..)
❒ When the input buffer is full
❒ When the
❒ During initialization
❒ When the
❒ During self-test
❒ During default setting
❒ When the parallel interface is not selected
ERROR signal is active (LOW) under the following conditions:
The
INIT input signal is active
ERROR is active
STROBE pulse synchronization
ACKNLG signals
µ
s.
µ
s.
❒ When a paper-out error occurs
❒ When a release lever operation error occurs
❒ When a hardware error (a fatal error) occurs
The PE signal is active (HIGH) under the following conditions:
❒ When a paper-out error occurs
1-4Rev.A
Stylus Pro XL+Product Description
Table 1-2 shows connector pin assignments and signal functions of the 8-bit parallel interface forward
channel.
Table 1-2. Signal and Connector Pin Assignments for the Parallel Interface
(Forward Channel)
Pin No.
1
2-9DATA 0-720 - 27I
10
11BUSY29O
12PE28O
13SLCT28OThis signal is always at HIGH while printer power is on.
14AFXT30INot used.
Signal
Name
STROBE19I
ACKNLG28O
Return
GND Pin
I/O*Description
The
STROBE pulse is used to read data from the host
computer. Pulse width must be 0.5 µs or more. Normally,
it is HIGH, and data is latched with the rising edge of this
signal.
DATA 0-7 are parallel data bits. When one of these
signals is HIGH, the data bit is 1; when LOW, the data bit
is 0. The most significant bit (MSB) is DATA 8. The
signal state must be maintained for 0.5 µs on either side
of the
STROBE signal’s active edge.
ACKNLG is a negative pulse indicating that the printer
can accept data again.
The BUSY signal informs the host computer of the
printer’s status. When this signal is HIGH, the printer
cannot accept any more data.
This signal indicates whether paper is available in the
printer or not. A HIGH level indicates no paper.
31
32
18Logic H—O
35+5 V——
36
17
16, 33,
19-30
15, 34NC——Not connected
INIT30I
ERROR29OThis signal goes LOW if the printer has detected an error.
SLIN30INot used.
Chassis
GND
GND——Signal ground.
——Chassis ground.
If this signal goes LOW, the printer is initialized. The
pulse width of this signal must be 50 µs or more.
Pulled up to +5 V through 3.9K Ω resistor in the printer.
Pulled up to +5 V through 3.3K Ω resistor in the printer.
*The I/O column indicates the direction of the signal as viewed from the printer.
Rev.A1-5
Product DescriptionStylus Pro XL+
1.3.1.2 Reverse Channel
Transmission mode:8-bit parallel, IEEE-1284 nibble mode.
Synchronization:Refer to the IEEE-1284 specification.
Handshaking:Refer to the IEEE-1284 specification.
Signal level:IEEE-1284 level 1 device (See the forward channel.)
Adaptable connector:The same as for the forward channel.
Data transmission timing:Refer to the IEEE-1284 specification.
Table 1-3 shows connector pin assignments and signal functions of the 8-bit parallel interface for reverse
channel.
Table 1-3. Signal and Connector Pin Assignments for the Parallel Interface
(Reverse Channel)
Pin No.Signal Name
1Host Clk19IHost clock signal.
2 - 9DATA 0 - 720 - 27I
10Ptr Clk28OPrinter clock signal.
11
12
13
14Host Busy30IHost busy signal.
31
32
361284-Active30I1284 active signal.
Ptr Busy / Data
Bit 3, 7
Ack Data Req /
Data Bit 2, 6
Xflag / Data Bit
1, 5
INIT30INot used.
Data Avail / Data
Bit 0, 4
Return
GND Pin
29O
28O
28O
29O
I/O*Description
DATA 0-7 signals represent data bits 0 - 7,
respectively. Each signal is at a HIGH level when data
is logical 1 and LOW level when data is logical 0.
These signals are used to transfer the 1284
extensibility request values to the printer.
Printer busy signal and reverse channel transfer data
bits 3, 7.
Acknowledge data request signal and reverse channel
transfer data bits 2, 6.
X-flag signal and reverse channel transfer data bits
1, 5.
Data available signal and reverse channel transfer
data bits 0, 4.
18Logic-H—O
35+5V—O
17Chassis GND——Chassis GND.
16, 33,
19 - 30
15, 34NC——Not connected.
GND——Signal GND.
A HIGH signal indicates that all other signals sourced
by the peripheral are in valid status.
Pulled up to +5 V via 3.3K Ω resistor.
* :The I/O column indicates the direction of the signal as viewed from the printer.
1-6Rev.A
Stylus Pro XL+Product Description
Extensibility Request:The printer responds affirmatively when the extensibility request values
are 00H or 04H, values that mean —
00H: Request Nibble Mode Reverse Channel Transfer
04H: Request Device ID
Return data using nibble mode reverse channel transfer.
Device ID:The printer sends following device ID string when it is requested.
[00H][39H]
MFG:EPSON;
CMD:ESCPL2-00;
MDL:Stylus Pro XL+;
CLS : PRINTER;
Note:[00H] denotes a hexadecimal value of zero.
1.3.2 Optional Interface Specifications
Type-B interface Level-2 (300 mA type) is supported.
Note :With the simplified serial interface card C82305*, “Disregard a parity bit” setup is not
supported.
Reply messageESC/P 2 is selected
Main-Type:MTP48p,PW127cl10cpi,PRG(VCxxxx)rev,AP300ma
Product-Name:Stylus Pro XL+
Emulation-Type:ESCP-00
Entity-Type:EPSONLQ2
Rev.A1-7
Product DescriptionStylus Pro XL+
1.4 OPERATIONS
This section describes the basic operations of the printer.
1.4.1 Control Panel
The control panel for this printer has 1 lock-type and 5 non-lock-type pushbuttons, and 15 LED indicators for
easy operation of the various printer functions.
: Button
: LED
Figure 1-1. Control Panel Appearance
Buttons
OperateTurns the printer on or off. This button is in the secondary circuit of the
power supply. This lets the printer execute the head-capping function after
it receives the signal to turn off and before actual printer power down.
AltModifies the functions of other buttons. Holding down this button for 3
seconds causes the printer to move the carriage to the ink cartridge
installation position. Pressing Alt again causes the carriage to return to the
home position.
FontCycles through the font choices. Pressing the Font button while holding
down the Alt button causes the carriage to move to the gap-adjustment
position. Pressing the Alt button again causes the carriage to return to the
home position.
Economy/CondensedSelects either economy or condensed printing mode. Pressing the
Economy/Condensed button while holding down the Alt button starts the
black printhead cleaning cycle.
Load/EjectEither loads a new sheet into the printer or ejects paper currently in the
paper path. Pressing the Load/Eject button while holding down the Alt
button starts the color printhead cleaning cycle.
PauseStops printing temporarily or resumes printing if it has been stopped
temporarily. Pressing Pause while holding down the Alt button resets the
printer.
1-8Rev.A
Stylus Pro XL+Product Description
Indicators
OperateOn when the printer is on. Blinks while the printer is powered on or off.
Paper OutOn when the printer is out of paper. Blinks when a paper jam occurs.
Ink Out (Black)On when the black ink cartridge is out of ink or not installed. Blinks when
black ink is low.
Ink Out (Color)On when the color ink cartridge is out of ink or not installed. Blinks when
color ink is low.
EconomyOn when economy printing mode is selected.
CondensedOn when condensed printing mode is selected.
FontThese LEDs indicate the selected font.
PauseOn when printing is paused.
DataOn when print data is in the input buffer. Data and Pause lights blink if an
error occurs.
1.4.2 Panel Operation at Power On
The list below contains printer modes and the procedures you can use to activate them:
Self-test modeTurn on the printer while holding down the Load/Eject button.
Hex dump modeTurn on the printer while holding down the Font and Load/Eject buttons.
Once this mode is selected, the printer prints all received data in
hexadecimal format.
Default setting modeTurn on the printer while holding down the Economy/Condensed button.
The printer enters the default setting mode.
Initialize EEPROMTurn on the printer while holding down the Alt, Font, Load/Eject, and
Pause buttons.
Note:You can exit self-test, hex dump, or default setting by turning off the printer.
Rev.A1-9
Product DescriptionStylus Pro XL+
1.4.3 Error Conditions
The printer can detect the various errors and indicate them with LEDs.
Table 1-4. Error Indications
ErrorOperate
Paper out—On——————
Black ink end——On—————
Black ink low——Blink—————
Color ink end———On————
Color ink is low———Blink————
Paper jam—Blinks——————
Maintenance
2.3 OPERATING PRINCIPLES OF THE ELECTRICAL CIRCUITS
The Stylus Color Pro XL+ contains the following circuit board units:
❒C184 MAIN board (main control circuit board).
❒C137 PSB/PSE board (power supply circuit board). This board is the same as Stylus Color’s
❒C137 PNL (control panel board). This board is similar to Stylus Color’s.
In addition to the circuit boards above, part of the printhead drive circuit is built on a separate circuit board
installed in the carriage unit; the printhead is attached directly to this board. The figure below shows a block
diagram of the electrical circuits.
2.3.1 Operating Principles of the Main Control Circuit
The main control circuit for this printer is the C184 MAIN board. This circuit is controlled by a 16-bit
H8/3003 CPU (IC1), running at 14.7456 MHz. The CPU has a unique architecture, capable of handling data
on the data bus at either an 8-bit or 16-bit bus width. Because of this, both a 16-bit and an 8-bit data bus
width-type ROM can be used on the board, increasing the internal processing speed. Also, the CPU’s unique
architecture is capable of refresh control. In addition, the CPU controls the serial interface (RS-422 for Mac)
and optional interface (Type B interface).
Gate array E05B21 (IC2) manages the printhead driver, the external Centronics
extension CG board, and the control panel. The gate array also oversees the controls that create the 4-bit
signals for the carriage or the paper feed motor. (The carriage and paper feed motor are controlled by current
duty data.) This board also is equipped with a 93C46 EEPROM (IC11) to store certain parameters, such as the
black/color head data, printer mechanism control parameters, default setting parameters, as well as a special
counter value used for printhead (ink management) protection.
®
parallel interface, the
Timer IC NJU6355E (IC10) counts each time the printer goes through its cleaning cycle and keeps track of
how much time has elapsed since the printer has been used, thereby allowing the printer to be cleaned only
when necessary. The timer value is backed up by the lithium battery.
D-RAM (4M)
(IC5)
DMAREQ
I/
SD
C
SED6110DOA
(U1, U2)
D-RAM (4M)
( IC 6)
E05B21
(IC2)
O
L
K
B
Vx
o
T
Par a llel I/F
Carriage / Paper Feed
Motor Driver Signal
Black 64 Nozzles
Color 48 Nozzles
Data Bu s
Address Bus
A
o
T
Black / Color Head
Comm on and Nozzle
MROM (4-32M)
(IC7 )
Reset (Log ic )
(IC9)
PST592D
Panel
EEPROM
(IC11)
93C46
Selector Drive Signal
From A
RS-422
Seria l I/ F
P-ROM (4M)
(IC3)
Type-B I/F
Reset (Power)
(IC8)
M51955B
SN75LBC775
(IC13)
C184 MAIN Boar d
H8D2778A (IC16, 17)
Black/Color Head
Common Driver Circuit
P-ROM (1-4M)
(IC4)
Refresh
CPU
H8/3003
(I C1 )
(IC10)
NJU6355E
(Timer Cou nter)
SLA7043M (IC14, 15)
From B
Carriage / Paper Fe ed
Motor Driver
M
Figure 2-1. Main Control Circuit Block Diagram
2-2Rev.A
+35 V
+5 V
NMI
P62
CPU (IC1)
+5 V
PST592D
(IC X)
E05B21 (IC2)
RES
RESET
80
71
1
672
68
M51955 B
(I C 8 )
TBRST
RST
Type B
55
Stylus Pro XL+ Service ManualOperating Principles
2.3.2.1 Reset Circuits
The C184 MAIN board contains 2 reset circuits: the +5 V monitor reset circuit and the +35 V monitor reset
circuit. The +5 V monitor reset circuit monitors the voltage level of the +5 V line (logic line), using reset IC
PST592D (IC9), and outputs a reset signal to the CPU (IC1) and the E05E21 gate array (IC2) when the
voltage level drops below +4.2 V. The +35 V monitor reset circuit monitors the voltage level of the +35 V
line, using reset IC M51955B (IC8), and outputs a reset signal to the CPU. The reset signal is generated when
the voltage level drops below +28 V, and this causes a non-maskable interrupt (NMI).
Figure 2-2. Reset Circuit Block Diagram
Rev.A2-3
TH
(CN12)
CCO
181
CPU (IC1)
SWA0
HP
PE
(CN8)
(CN9)
180
BCO
(CN11)
GA (IC 2)
AN0
86
SWC1
SWC2
(CN12)
4
3
SWC0
5
PB3
Operating PrinciplesStylus Pro XL+ Service Manual
2.3.2.2 Sensor Circuits
The following sensor circuits enable the C184 MAIN board to monitor printer mechanism status:
HP sensorA photocoupler-type HP (home position) sensor is attached to the surface of the printer
mechanism to detect the carriage home position. A HIGH level from the signal indicates
that the carriage is in home position.
PE sensorA mechanical switch PE (paper end) sensor is built into the printer mechanism to determine
whether there is paper in the printer or not. A LOW level from the signal indicates that no
paper is loaded.
BCO sensor,
CCO sensor
ThermistorA thermistor is attached to the color printhead driver board to monitor its temperature using
Micro switches (BCO sensor for the black ink cartridge, CCO sensor for the color ink
cartridge) are attached to the bottom of ink cartridge holder in the carriage unit. When the
ink cartridge is installed, these switches are pressed and a LOW level from the signal
indicates that the ink cartridge is installed into the ink cartridge holder. These sensing
timing is only in the cartridge installation mode and one minute after the carriage holed to
prevent from miss censoring owing from switch actuators shock in printing condition.
the thermistor’s resistance value (at 25° C (77° F), the normal value is approximately
10K Ω). The CPU changes the printhead drive signal’s pulse width (charge pulse width)
based on the temperature level.
Figure 2-3. Sensor Circuit Block Diagram
2-4Rev.A
Stylus Pro XL+ Service ManualOperating Principles
2.3.2.3 Carriage Motor Driver Circuit
Carriage motor driver IC SLA7043 (IC15) outputs a constant current to drive the carriage motor in the printer
mechanism. Gate array E05B21 (IC2) decides the motor phase and speed, and then it sends a signal to the
carriage motor driver IC (SLA7043), using the 4-bit serial transmission line. The first bit indicates the
direction of motor rotation. The other three bits (a, b, c) are current duty data for the motor speed for each
printing sequence. (Refer to Table 2-2, below.)
SLA7043 can select the reference voltage itself based on these three bits of current duty data. Also, the driver
IC receives these signals via two serial transmission lines for the two motor phases (phase A and phase B). As
a result, the carriage motor can be driven in micro step sequence (
1
⁄
inches, minimum). The SLA7043
720
motor driver reads four-bit serial data using four clock counts from the E05B21 (IC2) clock.
Each bit is read at the falling edge of the clock pulses. Then, received serial data is written into the shift
register and then shifted the latch register. When the strobe pulse becomes active from the E05B21 (IC2),
serial data is moved into the reference voltage selection circuit and the voltage is changed. Therefore, when
the printer is in the constant speed mode, this strobe pulse becomes inactive. The following table indicates the
current duty of each carriage motor speed mode.
Table 2-2. Serial Data Contents
Modec b a*Vref (Typical)
0000
1001
2010
3011
4100
5101
6110
7111
Vref × 1/3
(Vref = +5 V)
× 0%
×20%
×40 %
×55.5%
×71.4%
×83%
×91%
×100%
*“a” indicates the 2nd bit, “b” indicates the 3rd bit, and “c” indicates the 4th bit.
The following figure shows 4-bit serial data and how this data is transferred by the SLA7043 driver. The step
time for the reference voltage is determined by the interval time of the strobe pulse.
5
16
2
13
6
17
3
14
9
10
SLA7043
(IC15)
CLKA
CLKB
STBA
STBB
DATA A
DATA B
REF A
REF B
RSA
RSB
GND
1
11
18
1
8
2
3
(CN6)
4
5
V
5
3
+
A
A
B
B
E05B21
(IC2)
CRCLK
CRSTB
CRASO
CRBSO
CRV0-5
CRHOLD
197
198
199
196
5-10
205
C
B
E
Q5
Figure 2-4. Carriage Motor Circuit Block Diagram
Rev.A2-5
Operating PrinciplesStylus Pro XL+ Service Manual
2.3.2.4 Paper Feed Motor Driver Circuit
The paper feed motor for this printer drives the following mechanisms:
Driver IC SLA7043 (IC14) drives the paper feed motor by a constant current. The principle of operation is
same as for the carriage motor driver circuit. However, the paper feed motor drives not only the paper feed
mechanism but also the pump unit. (Refer to Section 2.3.2.4.)
Table 2-3. Paper Feed Motor Drive Modes
ModePhase ExcitationDrive Frequency
Paper feed2-2 phase or 2W1-2 phase391 or 1600 pps
Pump drive2-2 phase300 or 1800 pps
E05B21
(IC2)
PFCLK
PFSTB
PFASO
PFBSO
PFV0-2
PFHOLD
202
198
204
201
11-13
205
B
Q4
5
16
2
13
6
17
3
14
9
10
E
SLA7043
(IC14)
CLKA
CLKB
STBA
STBB
DATA A
DATA B
REF A
REF B
RSA
RSB
GND
1
A
A
B
B
1
8
2
11
3
(CN7)
4
18
5
V
5
3
+
Figure 2-5. Paper Feed Motor Driver Circuit Block Diagram
2-6Rev.A
Stylus Pro XL+ Service ManualOperating Principles
2.3.2.5 Printhead Driver Circuit
The printhead driver circuit for this printer is composed of the following two parts:
❒Common driver circuit (common drive pulse generation)
❒Head driver circuit (nozzle control built on the printhead)
The common driver circuit is hybrid IC H8D2778A on the C184 MAIN board. The head driver circuit is IC
SED61110D0A on the printhead unit itself. The printhead drive signals are output from gate array E05B21.
They consist of the common driver control signals (SBDT/SCDAT, SCLK,
BH1C1/CH1C1, BH1D/CH1D, BHDIS/CHDIS) and the nozzle select signals (BHDAT/CHDAT,
BHCLK/CHCLK, BHLAT/CHLAT,
BHNCHG/CHNCHG).
The common driver control signals from gate array E05B21 are translated to common drive voltage pulses by
IC H8D2778A and input to each printhead nozzle PZT. The nozzle select signals are also output from gate
array E05B21 to SED6110D0A on the head unit to select the print nozzles. Then the ink dots are ejected from
the selected nozzles.
The common driver control signals consist of the common voltage control signals (SBDAT/SCDAT, SSTB,
SCLR, SCLK) and the common drive pulse generation signals (BH1C0/CH1C0, BH1C1/CH1C1,
BH1D/CH1D, BHDIS/CHDIS). The common voltages (VH), ranging between the maximum voltage and 0
(V), are split into 256 levels, which are then translated into 8-bit serial data for the common voltage control
signal (BHDAT/CHDAT), which is output from gate array E05B21 to the common driver H8D2778A to fit
with each printhead specifically. The signals are received by
SSTB, SCLR and SCLK to the common driver.
SCLT
SDAT
SCLR
SSTB
H
L
H
L
H
L
H
L
Figure 2-7. Common Driver Signal Timing Chart
After the common voltage (VH) is stabilized, common drive pulse generation signals are translated to
generate the common drive pulses from gate array E05B21 to the H8D2778A common driver.
COM
VH
BH1C 0/CH1C0
BH1C 1/CH1C1
BH1D/CH1D
Figure 2-8. Common Drive Pulses
2-8Rev.A
VH
COM
BH1C0/CH1C0
BH1C1/CH1C1
BH1D/CH1D
BHNCHG/CHNCHG
BHLAT/CHLAT
BHCLK/CHCLK
BHDAT/CHDAT
# 1
# 64
Stylus Pro XL+ Service ManualOperating Principles
Nozzle Select Signals
The nozzle select signals are output from gate array E05B21 to SED6110D0A on the head unit to select the
printhead nozzles. Nozzle select data (BHDAT/CHDAT) is HIGH for selected nozzles and LOW for
unselected nozzles. Nozzle select data translation timing is controlled by 64 clock signals (BHCLK/CHCLK),
one for each nozzle. After the print nozzles are selected, the common drive pulses are input to each PZT on
the selected nozzles via SED6110D0A. Then the ink dots are ejected from each selected nozzle’s PZT.
Figure 2-9. Common Drive / Nozzle Select Signal Timing
(Normal Dot Printing)
Rev.A2-9
VH
COM
BH1C0/CH1C0
BH1C1/CH1C1
BH1D/CH1D
Operating PrinciplesStylus Pro XL+ Service Manual
Normal Dot Versus EPSON Micro Dot Printing Mode
The Stylus Color Pro XL+ can eject ink in two different modes (normal print mode and EPSON Micro Dot
Mode). These modes are the same as the modes used in the Stylus Color II/Stylus Color IIs. (Refer to Section
2.2.1.) However, EPSON Micro Dot Printing in the Stylus Color II and Stylus Color IIs can be used only for
printing with black ink. EPSON Micro Dot Printing in the Stylus Pro XL+ can be used with both black and
color printing.
In normal dot printing, a pair of common drive pulses are translated to the printhead to produce one dot. On
the other hand, one print dot consists of single dot in the EPSON Micro Dot Printing. A single common drive
pulse is translated to the printhead, as shown in the following figure.
Figure 2-10. Common Drive Pulse for EPSON Micro Dot
2-10Rev.A
Stylus Pro XL+ Service ManualOperating Principles
2.4 INK SYSTEM MANAGEMENT
This section explains how the ink system is managed to protect the printhead and the ink supply system and to
ensure high-quality output. Ink system operations are controlled by the following counters:
❒Protect counter
❒Ink consumption counter
2.4.1 Counters
EEPROM 93C46 (IC11) on the main board stores the counter values used for controlling ink system
operation.
2.4.2.1 Protect Counters
The values of protect counters A and B, C are stored in the EEPROM on the main board, and while the printer
is on, this data is also stored in the RAM on the main board.
❒ Protect counter AThis counter manages the total amount of drained ink. If the counter value
is equal to or exceeds 51,000, the printer indicates an error on the control
panel indicating that maintenance is required.
NotesforService
Protect counter A is reset:
1. Upon shipment from the factory.
2. After maintenance is performed (whenever you replace the ink drain tank).
❒ Protect counter B, CThese counters set limits to prevent the user from frequent initial ink
charging. The counters values are stored in the EEPROM as flags and are
reset by the EEPROM reset function.
2.4.2.2 Ink Consumption Counter
This counter manages black and color ink consumption. The counter is counted up during printing,
automatically. It also counts compulsory head cleaning and the interval times between usage of the ink
cartridge. This counter is only reset by the installation of a new ink cartridge.
Rev.A2-11
Stylus Pro XL+ Service ManualDisassembly and Assembly
When replacing or
disassembling the main
boardor printermechanism
When replacing or
disassembling the
black head(board)
When replacing or
disassembling
the colorhead(board)
When replacing or
disassembling both the
colorand black head
1. Writingheaddata(see Section 4.1.1)
2. Bi-Dalignment adjustment (seeSection4.1.2).
3. Head gapadjustment(see Section 4.1.3).
1. Writingheaddata(see Section 4.1.1)
2. Bi-Dalignment adjustment (seeSection4.1.2).
3. Head gapadjustment(see Section 4.1.3).
1. Writingheaddata(see Section 4.1.1)
2. Blackheadangleadjustment(see Section 4.1.4).
3. Black- color headverticaladjustment (seeSection4.1.5).
4. Head gapadjustment(see Section 4.1.3).
5. Bi-Dalignment adjustment (seeSection4.1.2).
1. Writingheaddata(see Section 4.1.1)
2. Color headangle adjustment (seeSection4.1.6).
3. Black- color headverticaladjustment (seeSection4.1.5).
4. Head gapadjustment(see Section 4.1.3).
5. Bi-Dalignment adjustment (seeSection4.1.2).
1. Writingheaddata(see Section 4.1.1)
2. Color headangle adjustment (seeSection4.1.6).
3. Blackheadangleadjustment(see Section 4.1.4).
4. Black- color headverticaladjustment (seeSection4.1.5).
5. Head gapadjustment(see Section 4.1.3).
6. Bi-Dalignment adjustment (seeSection4.1.2).
When replacing or
disassembling
the carriageunit
1. Platen gap adjustment(see Section 4.1.7).
2. Writingheaddata(see Section 4.1.1)
3. Bi-Dalignment adjustment (seeSection4.1.2).
4. Head gapadjustment(see Section 4.1.3).
NOTE:The destination data writing operation (see Section 4.1.2) is performed automatically
when you quit the program from the adjustment main menu and turn off the printer.
When you need to replace the printer mechanism, you will find the head data information
written on the outside of carton containing the printer mechanism.
Rev.A 4-1
AdjustmentStylus Pro XL+ Service Manual
4.1.1 Head Data Writing Operation
Data unique to the specific black and color printhead used in the printer is stored in the EEPROM on the
C184 MAIN board. These values must be written to the EEPROM first when the printhead unit, the printer
mechanism, main board, or EEPROM chip is replaced. However, it is not necessary to write them to
EEPROM again, even if the EEPROM is reset from the control panel.
CAUTION
Before running this program, be sure the interface setting is set to parallel or auto select.
1.Connect the PC to the target printer using a parallel interface cable, and turn the printer on.
2.Load BASIC on the PC, and run the adjustments program. You see the following destination select
menu:
3.Input the number for the destination. Then the main menu appears, as shown in the menu that follows.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.Select “1, Head VH input” typing 1 and pressing Enter to perform the head data writing operation.
Then the menu for setting the black head data appears, as shown below:
input head VH
BKVH = ? ■
4-2Rev.A
Nozzle Select Circuit Board
Head VH Valu e
Stylus Pro XL+ Service ManualAdjustment
5.Input the black head VH values. Then the menu for setting color head VH values appears.
6.Input the color head VH values. Then the program returns to the main menu.
CAUTION
❏ The head VH data is written on the each head unit as shown in the following figure.
❏ The setting values are not stored permanently in the EEPROM until you turn the printer off.
Turn off the printer immediately after the adjustments.
Figure 4-1. Printhead VH Value
7.When the main menu appears, choose “10. Change customer & data / END” by typing 10 and Enter.
8.Choose “END” by typing 7 to exit the adjustment program.
CAUTION
Specific destination parameters, including the destination, interface mode, TOF value, and
economy/condensed, are not written to the EEPROM yet. Turn off the printer immediately after
the adjustments.
9.Turn off the printer.
4.1.1.1 Head VH Indication
This function prints out the VH values for the installed black and color heads stored in the EEPROM. The
values are in HEX, so convert them into the head VH values using a conversion table and input in the printer.
1.Select “7, Head VH indication” by typing 7 and pressing Enter to print out the head VH settings. The
printer prints the head values in four columns, as shown below:
Head VH : X1 X2 X3 X4
CAUTION
X1 and X2 show the VH for the black head; X3 and X4 show the VH for the color head.
Rev.A4-3
AdjustmentStylus Pro XL+ Service Manual
4.1.2 Destination Data Writing Operation
The setup value that specifies the printer destination is stored in EEPROM on the C184 MAIN board.
Therefore, this setup value must be written to the EEPROM when the main board or EEPROM chip is
replaced. This function is always selected to finish the program using END operation.
CAUTION
Before writing the destination data writing, set the interface to parallel or auto select.
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown shown below.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.When the main menu appears, choose “10, Change customer & data / END” by typing 10 and pressing
Enter.
5.The main menu immediately disappears briefly and then the destination select menu appears.
6.Choose “END” by typing 7 to exit the adjustment program.
CAUTION
Settings have not yet been written to the EEPROM. Turn off the printer immediately after the
adjustments.
7.Turn off the printer.
4-4Rev.A
Black Head
(Angle Adjustment)
Head Base
Head Carriage
Angular Spacer
Linear Spacer
Stylus Pro XL+ Service ManualAdjustment
4.1.3 Black Head Angle Adjustment
The black head angle adjustment is required when the black head is replaced or disassembled. If this
adjustment is not correct, a white banding problem may occur, or color head timing may not match black
head timing. The following figure illustrates the black head angle adjustment. The black head angle is
adjusted with linear and angular spacers. A linear spacer is attached to both sides of the head base, and an
angular spacer is attached only to the right side of the head base. Spacers for the black head come in different
shapes for the thickness needed. The following figure shows the relationship between the shape and thickness.
Figure 4-2. Black Head Angle Adjustment
Angular Spacers (for Black Head)
Spacer Nam eTh ickne ssShap e
angular s pacer BK
angular spac er BK- C
angular spac er BK- D
angular spacer BK-E
0.05
0.10angular spacer BK-B
0.15
0.20
0.25
Linear Spacers (Only for Black Head)
Spacer NameThicknessShape
linear spacer K
linear spacer J
li nea r sp ac er I
linear spacer
linear spacer B
linear spacer C
linear spacer D
linear spacer E
0.05
0.12
0.19
0.26
0.33
0.40
0.47
0.54
Rev.A4-5
Figure 4-3. Types of Spacers and Relationship between
linear spacer F
linear spacer G
linear spacer H
Shape and Thickness
0.61
0.68
0.75
AdjustmentStylus Pro XL+ Service Manual
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown below.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.Choose “3, Head angular & linear adjustment” by typing 3 and pressing ENTER. (The printer prints the
check pattern, along with the sample name. )
CAUTION
❏ When you replace both the black and color heads, always adjust the color head angle first.
The black head angle is based on the color head angle.
❏ After you replace the black head and print the black head angle pattern, you only have
to insert an angular spacer if the pattern is incorrect.
4-6Rev.A
Position APosition A
Replac e the ri ght
angula r spacer with
a thin ner one
Look at position A
Replac e the ri ght
angula r spacer with
a thi cker o ne
Stylus Pro XL+ Service ManualAdjustment
5.
3-2. BLACK HEAD ANGLE ADJUSTMENT
B
A
Figure 4-4. Black Head Angle Adjustment Sample
The printer prints a pattern like one in the following sample. Only the nozzles in rows A and D are fired
(making it is easy to see the angle of the black head).
6.In the figure above, pay attention to position A. (Do not look at position B.)
7.Using the following flowchart, replace the angular spacer for the black head, which is under the right
8.Turn the printer power off now.
9.Manually move the carriage to the center while pressing the carriage lock lever, and remove the two ink
10. Remove the rubber cap covering the head screw at the side of color ink cartridge. Then loosen (but do
Rev.A4-7
Figure 4-5. Spacer Selection Flowchart
linear spacer. The procedure for this replacement is explained beginning with step 7.
cartridges.
not remove) 3 screws. (Refer to Figure 4-6.)
CAUTION
After replacing the spacer, always install new ink cartridges before returning the printer to the
user. During this adjustment, use ink cartridges exclusively for service:
(Monochrome: 1020626, CMY: 1027990 ).
1. Push
Head Ba se
Linear Spacers
Platen Gap Adjust Lever
Angular Spacer
Carriage Unit
Black Head
2. Replace
AdjustmentStylus Pro XL+ Service Manual
Rubber Cap
Color Ink Cartridg e Holder
CBB(M3x11)
CBB(M3x1 1)
CBB(M3x11)
Figure 4-6. Removing the Rubber Cap
11. Replace the angular spacer for the black head with a new one. (Refer to Figure 4-7.)
(To replace the angular spacer, use tweezers to push the head base toward the rear.)
12. After replacing the angular spacer, reassemble the ink cartridge holder and reinstall the ink cartridges.
Use the BASIC program to verify the angle of the black head. Confirm the angle by performing the
steps 1 to 6 again, and if the angle is wrong, perform the adjustment again until the head angle is correct.
CAUTION
❏ The angular spacers come in five thicknesses. Continue performing this adjustment by
changing the black head spacers until the angle is correct.
❏ When inserting an angular spacer, always place the angular spacer on the linear spacer.
Figure 4-7. Angular Spacer Replacement Method
4-8Rev.A
Color Head
Color Head
(Reverse Side)
Head Base
(Angle Adjustment Concept)
(Spacer Setting Location)
Carriag e
Angular Spa cer
Stylus Pro XL+ Service ManualAdjustment
4.1.4 Color Head Angle Adjustment
The color head angle adjustment is required when the color head is replaced or disassembled. If this
adjustment is not correct, a white banding problem may occur, or the black head timing may not match the
color head timing. The following figure illustrates the color head angle adjustment. The color head angle is
adjusted with the angular spacer. The angular spacer is attached only to the left side of the head base.
Figure 4-8. Color Head Angle and Angular Spacer Position
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown below.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
10. Change customer & data / END
0. Cleaning
Rev.A4-9
Select Menu ? ■
3-1 YMC HEAD ANGULAR
Magenta
Mage ntaCyan
Cyan
A
B
AdjustmentStylus Pro XL+ Service Manual
4.
Figure 4-9. Color Head Angle Confirmation Sample
When the main menu appears, choose “3, Head Angle Confirmation Pattern Printing” by typing 3 and
pressing ENTER. (The printer prints a check pattern with the sample name.)
CAUTION
When replacing both the black and color heads, always adjust the color head angle first. The
black head angle and the black - color head vertical position adjustments are based on the color
head angle adjustment.
Figure 4-10. Relationship between the Shape and Thickness
Angular spacers for the color head come in five thicknesses, each having its own shape. The following figure
shows the relationship between the shape and thickness. Since the color head is not equipped with a linear
spacer, the angle adjustment is decided only by the angular spacer (specifically designed for the color head),
which is placed under the left side of the head base.
5.In Figure 4-9, pay attention to the position of A and B while you reset the left angular spacer. The
replacement procedure is explained beginning in step 6.
6.Turn off the printer now.
Angular Spacers (Fo r Color Head)
Spacer NameThick nessShape
angular spacer YMC
angular spacer YMC-C
angular spacer YMC-D
angular spacer YMC-E
0.30
0.35angular spacer YMC-B
0.40
0.45
0.50
4-10Rev.A
Stylus Pro XL+ Service ManualAdjustment
7.Move the carriage to the center manually, and loosen (but do not remove) the screw securing the color
head to the carriage.
Look at
positions A, B
Position A, BPosition A, B
(A)(B)(A)(B)
Replace the right
angular sp acer
with a thicker one
Replace the right
angular s pacer
with a thinner one
Figure 4-11. Spacer Selection
8.Remove the rubber cap covering the head screw at one side of color ink cartridge. Then loosen (but do
not remove) 3 screws. (Refer to the Figure 4-9.)
9.Replace the angular spacer on the left side with a new one, referring to the figure below. (Replace the
angular spacer using tweezers to push the head base toward the rear.)
10. Rerun the BASIC program and choose “3, Head Angle Confirmation Pattern Printing” again by typing 3
and pressing ENTER. Then verify that the confirmation sample is correct.
Carriage Unit
1
Push
Color Head
Base Head
Paper Gap Adjust Lever
Spacer Angular
(one side only)
Replace
2
Figure 4-12. YMC Angular Spacer Replacement
11. If the sample is incorrect, repeat steps 6-10 until the upper lines in the sample are aligned with one
another and the lower lines in the sample are exactly equidistant to one another (as shown at B in Figure
4-11).
12. When you complete this adjustment, turn off the printer.
Rev.A4-11
AdjustmentStylus Pro XL+ Service Manual
4.1.5 Black - Color Head Vertical Adjustment
This adjustment calibrates the vertical position between the black head and the color head. Align the top
nozzles (both nozzle # 1 on the black head and nozzle # 1 on the color head). You can make this adjustment
by using only the linear spacers for the black head. This adjustment is required when the black head or the
color head is replaced or disassembled. The following figure illustrates this adjustment.
Adjust
Carriage Unit
#1
#2
#16
Color Head
Magenta
Cyan
Ye llo w
#3
#7
#63
Black Head
#4
#6
#8
#64
#62
#5
#9
#61
#1#2
Vertical Position
Vertical Position
Figure 4-13. Black - Color Head Vertical Adjustment
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown below.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
4-12Rev.A
Stylus Pro XL+ Service ManualAdjustment
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.When the main menu appears, choose “3, Head angular & linear adjustment” by typing 3 and pressing
ENTER. (The printer prints the check pattern, along with the sample name.)
CAUTION
When replacing the black head, always adjust the black head angle first, because the black - color
head vertical adjustment is based upon the black head angle.
3-3. BLACK HEAD SPACE R SELECTION
Magenta
Black
-5-4
+1+2+3+4
-3-2-1
OK(0)
+5
Figure 4-14. Linear Spacer Selection Sample
5.In Figure 4-14, the vertical position is correct when both the magenta line and the black line are aligned
(as shown in position OK (0)). If the vertical position is correct, turn off the printer. If the black and
magenta lines are not aligned, perform the vertical adjustment as described in steps 6-10.
CAUTION
❏ The number shown in the sample indicates the thickness level compared to the current
linear spacer. (See * .) There are 11 linear spacers with 11 different thicknesses.
❏ The linear spacer is attached by two pieces, one on each side of the head base. Therefore,
when you need to replace one linear spacer, always replace both linear spacers at the
same time.
❏ When replacing the linear spacer, place it under the angular spacer.
*If necessary, replace the linear spacer. For instance, if your pattern is similar to the pattern
shown under –2, replace the linear spacer with a thinner linear spacer. If your pattern is similar
to the pattern shown under 2, replace the linear spacer with a thicker spacer.
6.Turn the printer off.
7.Move the carriage to the center while pressing the carriage lock lever, and remove the two ink cartridges.
8.Remove the rubber cap that covers a head screw at the side of color ink cartridge, and then loosen (but
do not remove) 3 screws. (Refer to the figure on the next page.)
CAUTION
After replacing the spacer, always install new ink cartridges before returning the printer to the
user. During adjustment, use the ink cartridges exclusively for service (Monochrome: 1020626,
CMY: 1027990 ).
Rev.A4-13
AdjustmentStylus Pro XL+ Service Manual
9.Change the linear spacers (2 spacers for the monochrome head only) with new ones, referring to the
figure below. (Replace linear spacers by using tweezers to push the head base toward the rear.)
Carriage Unit
1
Push
Head Base
Angular Spacer
Platen Gap Adjust Lever
Linear Spacers x 2
(Linear Spacer Replacement Position)
2
Replace
Figure 4-15. Linear Spacer Replacement Method
10. Rerun the BASIC program, and choose the “Head Vertical Position Confirmation” by typing 3 and
pressing ENTER; then confirm that the sample print is correct. If the sample is incorrect, change the
thickness of the linear spacer and perform this adjustment again until the two black and magenta lines
are aligned at the position “OK (0)."”
11. When you complete this adjustment, exit the BASIC program and turn off the printer.
4-14Rev.A
HEAD GAP ADJUST N O. X
Black Line
Color (Magenta) Line
Stylus Pro XL+ Service ManualAdjustment
4.1.6 Head Gap Adjustment (Black and Color Head)
The head gap adjustment is required when the printer mechanism, main board, or printhead (board) is
replaced or disassembled. This adjustment calibrates the head drive timing between the black and color head.
If this adjustment is not made, the vertical alignment will not be completed.
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown below.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.When the main menu appears, choose “5, BK. YMC head gap adjustment” by typing 5 and pressing
ENTER. (The printer prints a check pattern sample with a sample compensation value. The printer prints
a sample like the one shown in the following figure.)
Figure 4-16. Head Gap Adjustment Sample
Rev.A4-15
AdjustmentStylus Pro XL+ Service Manual
The adjustment value input menu appears as shown:
INPUT ADJUST No. (IF OK INPUT Y)? ■
adjustrange(from –32 to 32)
5.If the sample print is not vertically aligned for both odd-numbered lines (black lines) and
even-numbered lines (magenta lines), enter a compensation value in the range from −32 to +32.
❏ Positive compensation value: Shifts the 2nd line to the left
❏ Negative compensation value: Shifts the 2nd line to the right
When both the black and magenta lines are vertically aligned, input Y or y, and press ENTER. This
returns you to the main menu.
6.When the main menu appears, choose “10, Change customer & data / END” by typing 10 and Enter.
(This returns you the destination setting menu.)
7.Choose “7, END” by typing 7 and pressing ENTER to quit the adjustment program.
CAUTION
Settings have not yet been written to the EEPROM. Turn off the printer immediately after the
adjustments.
The bidirectional alignment is required when the printer mechanism, main board, or printhead (board) is
replaced. Performing this adjustment determines a compensation value to rectify any deviation in the print
position. This deviation could be caused by different print speeds, which are due to tolerances in the
mechanical components, or to differences in print timing between odd-numbered lines and even-numbered
lines in bidirectional printing. The printer stores the compensation data in the EEPROM on the C184 MAIN
board and refers to this data when performing bidirectional printing.
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown below.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.When the main menu appears, choose “6, Bi-D Adjustment” by typing 6 and pressing ENTER. (The
printer prints a check pattern with a sample compensation value. The next menu appears on the display.)
INPUT ADJUST No. (If OK INPUT Y)? ■
720 DPI adjust range ( from –30 to 30)
Rev.A4-17
AdjustmentStylus Pro XL+ Service Manual
5.If the sample print is not vertically aligned for both the odd-numbered and even-numbered lines, enter a
compensation value in the range from –30 to +30.
❏ Positive compensation value: Shifts the 2nd line to the left
❏ Negative compensation value: Shifts the 2nd line to the right
When the sample print becomes vertically aligned for both lines, press Y and ENTER; then the printer
prints out the current Bi- D setting pattern, and this returns you to the 360 DPI Bi-d adjustment mode.
6.Adjust the 360 DPI Bi-d setting mode in the same way as 720 dpi Bi-D adjustment.
7.If you have finished the 360 dpi Bi-d adjustment, choose “10, END” by typing 10 and pressing
ENTER. (The destination setting menu appears on the display again.)
8.Choose “7, END” by typing 7 and pressing ENTER to quit the adjustment program.
CAUTION
Settings have not been written to the EEPROM yet. Turn off the printer immediately after the
adjustments.
9.Turn off the printer.
4-18Rev.A
Bushing
Right Adjustment Position
Left Adjustment Positio n
Paper Guide Plate
Pump Unit
Front Frame
Thickness GaugeThickness Gauge
Platen
Attach the thickness gauge
under the PF p inch roller u nit.
FRONT
Platen
PF Pinch Roller
Unit
Front Frame
Paper Guid e
Tension Roller
Thickness Gauge
Attachment Point
Stylus Pro XL+ Service ManualAdjustment
4.1.8 Platen Gap Adjustment
This adjustment is required when the carriage unit is replaced or removed from the printer mechanism. Adjust
the distance between the printhead nose and the paper surface to 1.1 mm.
1.Attach a thickness gauge (commercially available) to the left side adjustment position on the paper guide
plate, as shown in the figure below, so that one side hooks the paper feed pinch roller unit.
2.Move the carriage unit manually onto the thickness gauge.
Table 4-2. Gap and Adjustment Direction
Gap between Head Nose and Gauge SurfaceLeft BushingRight Bushing
NarrowCWCCW
SpreadCCWCW
3.Rotate the parallelism adjustment bushing, attached to the left and right ends of the carriage guide shaft,
when the black and color printheads contact the thickness gauge.
4.After attaching the printheads to the gauge surface, verify that the gap between the carriage roller and the
front frame is less than 0.04 mm. (See Figure 4-18.)
5.Attach the 1.1 mm thickness gauge to the right side adjustment position on the paper guide plate, as
shown below, so that one side hooks the paper feed pinch roller unit.
Rev.A4-19
Figure 4-17. Adjusting the Paper Gap
AdjustmentStylus Pro XL+ Service Manual
Note:When checking the gap between the carriage roller and the front frame, use the thickness
gauge or the paper guide plate. If the gap is correct the gauge cannot be installed into the
gap. If the gap is incorrect, the gauge can be inserted in the gap.
Carriage Roller
GAP
0.04 m m
Thick ness
Gauge
Eject Fra me
Figure 4-18. Confirming the Gap
6.Move the carriage manually to the right adjustment position and repeat steps 3, 4 and 5 referring to
Figures 4-17 and 4-18.
4-20Rev.A
Stylus Pro XL+ Service ManualAdjustment
4.1.9 Ink Consumption Counter Reset Operation
This operation is required when the ink cartridge is replaced. Usually, this operation is performed by the panel
operation. But if you perform this operation, you can reset the ink consumption counter value at any time.
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown below.
CAUTION
If you enter an incorrect number as the destination selection, printer functions are not
guaranteed.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.When the main menu appears, choose “2, Ink consumption counter reset” by typing 2 and pressing
ENTER. This resets the internal timer. The following message then appears.
Ink Counter Reset
Black Ink Counter Reset only——- 1
Color Ink Counter Reset only ——- 2
Both Ink Counters Reset——- 3
Quit Ink Counter Reset——- 4
Select No.
5.Choose and type the selection number. This returns you to the main menu.
Rev.A4-21
AdjustmentStylus Pro XL+ Service Manual
4.1.10 Head Cleaning Function
This function performs the compulsory ink charging to the printer head in order to check using the service
tool for ink charging.
1.Connect the PC to the target printer using a parallel interface cable and turn the printer on.
2.Load BASIC on the PC, and run the program. You see the following destination select menu.
3.Input the number for the destination. Then the main menu appears, as shown below.
STYLUS Pro XL+ Program : Rev. X
customer :
1. Head VH input
2. Ink consumption counter reset
3. Head angular & linear adjustment
4. Head position check
5. BK. YMC head gap adjustment (head gap center )
6. Bi-D adjustment(Bi-d center)
7. Head VH indication
10. Change customer & data / END
0. Cleaning
Select Menu ? ■
4.When the main menu appears, choose “0, Cleaning” by typing 0 and pressing ENTER. This resets the
internal timer. The following message then appears.
Ink Counter Reset
Black Ink counter Reset only ——- 1
Color Ink Counter Reset only ——- 2
Both Ink Counter Reset——- 3
Quit Ink Counter Reset——- 4
Select No.
5.Choose and type the selection number. This returns you to main menu.
CAUTION
If you perform this function on the same ink cartridge repeatedly, the ink life of this cartridge
becomes shorter than normal.
4-22Rev.A
CN1
CN2
CN1
CN5
C
N
1
1
C
N
9
C
N
8
CN7CN6
CN10
CN
CN
C
N
CN2
Type B I/F
(Option)
CN3
RS-4 22
Serial I/F
C
N
1
2
C
N
Parallel I/F
C
N
1
3
C137 PNL
AC Inlet
ASF Plung er
Printhead Unit
HP Sensor
CR Sensor
C184 MAIN
C137 PSB/PSE
RF Motor
CR Motor
Printer Mechanism
STYLUS PRO XL+ Service ManualAppendix
A.1 CONNECTOR SUMMARY
The figure below shows the interconnection of major components of the Stylus Color Pro XL+.
Figure A-1. Interconnection of major components
Rev.AA-1
AppendixSTYLUS PRO XL+ Service Manual
Table A-1. Connector Summary
BoardLocationPinsDescription
C164 MAINCN136Centronics parallel I/F
CN236Type B parallel I/F
CN38RS-422 serial I/F
CN56Power supply from PS board
CN65Carriage motor phase output
CN75PF/PM motor phase output
CN82Paper end sensor
CN93Carriage home position sensor
CN1020Control panel (to C137 PNL)
CN1122Black head nozzle selector and common driver
CN1222Color head nozzle selector and common driver
C137 PSB/PSECN12AC inlet (L/N)
CN28DC output (+5 V / +35 V)
C137 PNLCN120(to C164 MAIN)
A-2Rev.A
STYLUS PRO XL+ Service ManualAppendix
Table A-2. Connector Pin Assignments — CN1
PinI/ONameDescription
1I
2-9IDATA1-8Data strobe signal
10O
11
12O
13O
14IAFXT / Host BusyAuto line feed signal / Host busy signal
15—NCNot connected
16—GNDGround
17—FGFrame ground
18OLogic-H
19-30—GNDGround
31IINITINIT signal
O
STB / Host ClkSTROBE signal / Clock signal (Host)
ACK / Ptr ClkACK signal / Clock signal (Printer)
BUSY / Ptr Busy (Data
Bit-3, 7)
PE / Ack Data Req
(Data Bit-2, 6)
SLCT / Xflag
(Data Bit-1, 5)
Busy signal / Printer busy signal and reverse
channel transfer data bits 3, 7
Paper end signal / ACK data request signal
and reverse channel transfer data bits 2, 6
Printer select signal / X-flag signal and reverse
channel data bit 1, 5
Pulled up to +5 V through 3.9K Ω / A HIGH
signal indicates that all other signals sourced
by the peripheral are in valid status
32O
33—GNDGround
34—NCNot connected
35O+5 V
36I
ERR / Data Avail
(Data Bit-0, 4)
SLIN / 1284-ActiveNot used / 1284 active signal
Error signal / Data available signal and reverse
channel transfer data bit 0, 4
Pulled up to +5 V through 3.3K Ω
Rev.AA-3
STYLUS PRO XL+ Service ManualAppendix
A
4
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Figure A-4. C137 PSB Board Circuit Diagram
Rev.AA-9
2
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AppendixSTYLUS PRO XL+ Service Manual
A-10Rev.A
Figure A-5. C137 PSE Board Circuit Diagram
STYLUS PRO XL+ Service ManualAppendix
A
4
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Figure A-6. C137 PSE (Korea) Board Circuit Diagram
Rev.AA-11
EPSON
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