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    EPSON TERMINAL PRINTER

       Stylus 1000

SERVICE MANUAL
  (ADDENDUM for
     Stylus 800
 SERVICE MANUAL)




     SEIKO EPSON CORPORATION
 PRINTER TECHNICAL SUPPORT GROUP



                                   4002262
                                    REV.-A
                                                         ADDENDUM




              REVISION SHEET
Revision   Issued Date                   Revision Page
 Rev.-A    April 28, 1993    1st issue




                       -i-
                                                                                                       ADDENDUM

 Stylus-800/1000 SERVICE MANUAL                                                                   General Description

 1.1 General Description
This addendum only summarizes the major features and specifications which specifically applicable to the
stylus-looo.

 1.1.1 Features

 s Fastprinting speed. You can print up to 150 cps in 10 cpi LQ mode and up to 250 cps in 10 cpi DRAFT
      mode.

 s Built-in
          adjustable auto sheet feeder supports various different size of paper, A3 to A4, LETTER and
      LEGAL. It can holds up to 100 sheet of paper at a time.

s You     can use a continuous form by installing optional tractor unit.

s   Various built-in font :

      4 scalable LQ fonts, 15 bit-mapped LQ fonts and 3 DRAFT fonts.

1.1.2 Specification
                                                          .
This section describes the detail specification of the Stylus-1000.

1.1.2.1 Printing Specification

Print Speed :              See the table below.

Printable Column :         See the table below.

                                 Table 1-1 Print Speed and Printable Column
                              Character           Printable       Print Speed       Print Speed
                                Pitch             Column              (LQ)           (DRAFT)
                     I         10 cpi         I     136       I    150     CPS 1       250        I
                               12 cpi               163              180               300
                               15 cpi               204              255               375
                     I        17 cpi        I       233       I      257        I      428        I
                     I ( 1 0 cpi/Condensed) I                 I                 I                 I
                               20 cpi               272              300               500
                         (12 cpi/Condensed)




REV.-A                                                                                                         1-1
ADDENDUM

General Description                                                     Stylus-800/1000 SERVICE MANUAL


1.1.2.2 Paper Handling Specification

Paper Feeding :        s Friction fed (either from built-in auto sheet feeder or manual insertion slot)
                       s push tractor feed (from rear tractor unit (optional))

                       Note) Set the release lever to correct position to select proper feeding system.

1.1.2.3 Paper Specification

           [With ASFJ
                       Width :      182-420 mm (7.2 - 16.5")

                                    Note) When you use A3 size paper in landscape orientation, both left
                                          and right margin area becomes large since the maximum printable
                                          width is limited up to 345 mm.

                      Length :      182-297 mm (7.2 - 11.7')
                      Thickness :   0.065-0.11 (0.0026 - 0.0043")
                      Weight :      64.90 g/mZ (18 - 241b./55 -78 Kg)
                      Quality :     Normal PPC paper, Bond paper
                                                   .
                      (With manual insertion slot]
                      Width :     182-420 mm (7.2 - 16.5")
                      Length :    182-420 mm (7.2 - 16.5")
                      Thickness : 0.065-0.11 (0.0026 - 0.0043")
                      Weight :    52-90 g/m2 (14 - 241b.)
                      Quality :   Normal PPC paper, Bond paper

            Size :        #6 (W X L : 166 X 92 mm (6VZ x 3%"))
                                    #10 (W X L : 240 X 104 mm (9?4 x 4%"))
                      Thickness :   0.16-0.52 mm (0.0063 - 0.020")

                                    Note) The variation in thickness within printable area must be less than
                                          0.25 mm (0.0098").

                      Weight :      45-90 g/m' (I2 - 241b.)
                      Quality :     Normal PPC paper, Bond paper

     Width :       101.6 -406.4 mm (4.0 - 16.0")
                      Thickness :   0.065 -0.1 mm (0.0026 - 0.0039")
                      Weight :      52-82 g/m2 (14 - 221b.)
                      Quality :     Normal PPC paper, Bond paper

cLabel>               Label size : 63.5 x 23.8 mm (W x L/Minimum)
                      Baclcirw vaver size :   101.6 -406.4 mm (4.0 - 16.0")
                      ThiCkn:si :' Less than 0.2 mm (0.0078") including backing paper.
                      QuaIity :     Equivalent of normal PPC paper

                      Notes) 1.     Label can only be used under normal temperature condition.
                             2.     Usable only with tractor feeding (requires optional tractor unit).
                             3.     Do not perform any reverse feed.
                             4.     Remove label form paper while the printer is not in use.




1-2                                                                                                      REV.-A
                                                                                           ADDENDUM

 Stylus-800/1000 SERVICE MANUAL                                                      General Description


Adjust lever :      The adjust lever, attached to the carriage unit, must be set to proper position for the
                    paper thickness, as shown in table below.

                                 Table 1-2 Adjust Lever Position
                                Lever                    Paper
                               Position
                                 LEFT         Cut Sheet
                              (Horizontal)    Continuous form
                                                                           1

                                RIGHT         Envelope
                               (Vertical)     Label




REV.-A                                                                                               1-3
ADDENDUM

General Description                                                    Stylus-800/fOOO SERVICE MANUAL



1.1.3 Printer    Operations

This section describes the basic operation of the printer.

1.1.3.1 Control Panel

The control panel of the Stylus-1000 contains six non-lock type push buttons and nine LED indicators for easy
controls over the various printer's functions.


                                     () DATA

                                     opApEROuT               Q
                                     O INK OUT                          I
                                                                        1

                                     () ECONOMY
                                     O CONDENSED             [;;    1 II




                          .



                                  Figure 1-1 Control Panel - Stylus-1000

fButtonl

s PAUSE             Switch the printer status between the printing and the no-printing in case if
                    any print data is exist in the input buffer.
s ECONOMY/CONDENSED Selects the ECONOMY printing mode or the CONDENSED printing mode
                    alternately. It also works as a reverse micro feed button if the ALT button has
                    been pressed.
s FONT              Select the one of the available fonts. It also works as a forward micro feed
                    button if the ALT button has been pressed.
H LOAD/EJECT        By pressing this button, the printer either loads a new paper into the printer,
                    or ejects a paper that currently in the paper path of the printer. It also works
                    as the LF/FF button if the ALT button has been pressed.
s ALT               It functions as to alternate the function of certain buttons to another. Holds
                    down this button in PAUSE mode for 5 seconds, the printer moves the carriage
                    to the ink cartridge installation/replacement position.
s RESET             When you press this button, the printer is initialized.

[Indicators]

s PAUSE             It lights when the printer is in PAUSE mode.
s DATA              It lights when the print data exists in the input buffer.
s PAPER OUT         It lights when the printer is in out-of-paper condition. It blinks if the paper jam
                    has occurred.
z INK OUT           It lights when the printer detects ink end of the ink cartridge. It blinks if the
                    ink level becomes low.
s ECONOMY/CONDENSED These LEDs shows the currently selected mode.
s FONT              It indicates the currently selected font.



1-4                                                                                                  REV.-A
                                                                                                                                                                                                                                                                  ADDENDUM

 StVlus-800/1000 SERVICE MANUAL                                                                                                                                                                                                                           General Description


 1.1.3.2 Default Setting Item

The default setting items of the Stylus-1000 are as listed in table below.

                                           Table 1-3 Default Setting Item
                    Menu Contents                                                                                    Description                                                                                                                        Factory
                                                                                                                                                                                                                                                        Setting
                 Character Table              Select the character table                                                                                                                                                                                  us
                                                                                                                                                                                                                                                         Italic
                 Auto Print Direction         ON:                              Print direction is automatically                                                                                                                                           ON
                                                                              selected as to maintains optimal
                                                                               print quality (alignment).
                                           . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . !. . . . . . . . . . .
                                             OFF: Depends on the command `ESC U'.
                 Page Length for             o:                                11 inch                                                                                                                                                                    11 "
                 Continuous Form             1:                                12 inch
                                             2:                                8.5 inch
                                             3:                               70/6 inch
                 Skip-over Perforation       ON 10FF                                                                                                                                                                                                     OFF
                 for
                 Continuous Form
                 Network IIF Mode            ON:                              For network environment, such as                                                                                                                                           OFF
                                                                              LocalTalk. (Time-out printing is
                                                                             disabled.)
                                          ,. !. .., .. ... ,.,. .! , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . ,., ,.,. !
                                           OFF: For normal environment. (Time-out
                                                                             printing is enabled.)
                 Mixed Text/Graphics        ON:                            To ensure proper' printing of the                                                                                                                                             OFF
                 Mode `1                                                   image containing graphics and
                                                                           scalable font, with certain
                                                                           applications, such as MS Word,
                                                                           WordPerfect V.5.1 or earlier.
                                          ,., . , . . . , , . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
                                            OFF: For normal use.
                 4uto Line Feed             ON:                            Line feed operation is automatically                                                                                                                                          OFF
                                                                           performed by CR code input.
                                         .0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
                                          OFF: No line feed operation with single
                                                                         "CR code.
                 Wto IIF Switching         ON:                      Printer automatically select the l/F                                                                                                                                                 ON
                                                                    which receives the data.
                                         ,,. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ,. ,0.0. .,. . . . . . ., . ,. , ,., , ,., . . . . . .
                                          OFF: Active l/F is depending on the DIP-
                                                                    SW setting on the optional l/F card.
                 hto l/F Switch            30 sec. / 10 sec.                                                                                                                                                                                            10 sec.
                 Nait Time
                 \uto Tear Off             ON:                          Printer automatically feed a paper to                                                                                                                                            ON
                                                                       the tear-off position.
                                         ,,,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,. . . . , . ,. O. .
                                          OFF:

         Note)     q 1 = If set to ON, the capacity of input buffer is limited to 64 KByte.




REV.-A                                                                                                                                                                                                                                                                 1-5
ADDENDUM

General Description                                                         Stylus-800/fOOO SERVICE MANUAL


1.1.3.3 Error Conditions

The Stylus-1000 detects various errors and indicates them with the LED indicators and buzzer as shown in
table below.

                                            T de 1-4 El ror Indication
           Error         PAPER INK OUT          PAUSE         Buzzer                   Recovery
                          LED     LED            LED
                                                                                                                -
      Paper out           O N         OFF         OFF      JJ s x 3 times I Set the paper and press the
                                                                          buttons as follows :
                                                                          1. PAUSE
                        +                                                 2. LOAD/EJECT
                                  1


      Paper jam           Blink       OFF         OFF      ~m x 3 times   Same as above.
      Ink low q 1                                          No beeps       Press PAUSE button and replace
                                                                          the ink cartridge to new one.
                                                                          Then, press PAUSE button again
                                                                          to resume r)rintina. q 2
                                                                                                                -
      Ink end             OFF          ON         OFF      J= x 3 times   Replace the ink cartridge and
                                                                          press PAUSE button.
      No ink            OFF ON                    OFF                     Install the ink cartridge and press
      cartridge         --t-                                              PAUSE button.




                        T
                                                                                                                -
      Carriage Error    OFF OFF                   OFF     J3a x 5 times Turn off the printer, and turn it on
                                                                        again.
      Release Lever       OFF         OFF        OFF       )8 x 3 times Set the release lever to the
      *I                                                                I position to current paper path.
      Backout/Eject                              OFF      ~ x 3 times
      Error with
      Continuous
      form q 1




                       T
      Waste ink tank      OFF         ON        BLINKS     )= x 3 times Service maintenance required.
      over-flow                                                           (Replace the waste ink absorbing
                                                                          material and reset the protect
                                                                          counter.)

      Note) JI :    0.1 second beep
           n :      0.5 second beep
            s :     0.1 second interval
           u :      0.2 second intewal
           q1:      This is not treated as an error. (Warning)
           `2 :     It is not necessary to immediately replace the ink cartridge until the printer detect `Ink End'
                    error.




1-6                                                                                                         REV.-A
                                                                                                        ADDENDUM

Stylus-800/1000 SERVICE MANUAL                                                                    Operating Principles


2.1 Operating Principles
The main control circuit of the Stylus-1000 is different from the StyluS-800, and is the C114 MAIN BOARD.
This board has an additional comector to which the optional mpE-B I/F card cm be connected. The figure
below shows a block diagram of the main control circuit board.




                                                                              L            



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