Epson GQ-3500 Dimensions

EPSON

EPSON AMERICA INC.

SERVICE

PRODUCT SUPPORT BULLETIN

PSB NO.: P-0021

DATE: 06/15/88

PAGE:

of 1

SUBJECT: GQ-3500 MEMORY SIZE STATUS DISPLAY

The purpose of this bulletin is to clarify how the GQ-3500 displays

memory size during the power up selftest.

The characters appear on the "STATUS" display, for a moment,

immediately after the GQ-3500 is powered on.

Table 1 shows the 3 memory sizes and status indications used in

the GQ-3500.

Table 1

Memory Product Status

Size

Description

512K

Standard Memory Size

EIIMM

o”o

pgl

g/J.

1.5Meg

Initial Memory Up-grade

5190

ril

D”o

,=r

@.I.

2.OMeg

Current memory up-grade

5192-A

InI

D-8

DEi

fia.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

EPSON

EPSON AMERICA, INC.

SERVICE

PRODUCT SUPPORT BULLETIN

DATE:

05-04-88

SUBJECT:

PRINTING SPREADSHEETS WITH THE GQ-3500

NUMBER:

P-0019

Page 1 of 4

PURPOSE

The purpose of this bulletin is to assist users of the GQ-3500 in

printing spreadsheet type documents.

The printer codes highlighted

in this document will provide added versatility to your application

software.

This bulletin contains all the information necessary to

create the printer set-up string codes; however, the GQ-3500 User's

Manual and your application software documentation should be

available for reference.

PREREQUISITES

The user of this document should know how to format and input

printer set-up strings into the spreadsheet application software.

The examples given will be those that can be used in LOTUS l-2-3.

LOTUS l-2-3 allows the user to input these codes before the document

or within a spreadsheet cell.

The user should also have a basic

understanding of the printer codes used in the GQ-3500; however,

this knowledge is not critical in proper usage of these codes.

The GQ-3500 Interface Card must be set to the Page Printer mode for

these codes to work correctly.

DIP switches 1 and 2 of switch bank 1

must be set to the OFF position.

the printer,

To access these switches, turn off

loosen the two knurled screws on the back

the

printer, and pull the board straight out.

SET-UP STRING PROCEDURES

The GQ-3500 offers several features in the page printer mode which

are beneficial in providing information-packed print-outs, that are

printed clearly enough to be easily read. These features can be

accessed with a printer set-up string that can be sent through the

application software.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

ESC y -

The SELECT CHARACTER SET command allows the user to

select the font that would permit

the desired characters per inch. the greatest legibility with

To select the desired character set first determine which of the

character set fonts would be best suited for the document and the

pitch selected.

Table 1 shows the set-up string format.

Table 1

ASCII code:

ESC y n1 n2

Decimal:

027 121 n1 n2

Hexidecimal:

79 nl n2

The variables n1 and n2 designate the specific font selection.

The variable n1 specifies the font locations as follows:

= Internal fonts

= IC Card fonts

= Downloaded fonts

The variable n2 represents

the particular

font in the selected

location.

Table 2 shows the internal fonts available in the GQ-3500.

Table 2

No. Name Orientation

CPI

Point Size

Courier 10 Portrait

10 10

Courier 10 Landscape

10 10

EDP 13 Portrait

EDP 13

Modern 10 PS Landscape

Portrait

-- 10

Ext. Graphics Portrait

10 12

Ext. Graphics Landscape

10 12

LOTUS l-2-3 accepts printer set-up codes in decimal

the codes

in EXAMPLE 1

form. Using

below will select EDP 13, the smallest

font internal to the GQ-3500.

EXAMPLE 1: EDP 13:

\027\121\000\003

PRINTING SPREADSHEETS WITH THE GQ-3500

PAGE 2

ESC ,

- The SELECT PITCH command determines the distance of the

beginning of one character to the beginning of the next. The

command does

not

alter the actual size of

therefore, it

the character,

other if is possible

to cause letters to print over each

the selected CPI is too small. Table 3 shows the set-up

string format.

Table 3

ASCII Code:

ESC ,

n1 n2 n3

Decimal:

27 44 n1 n2 n3

Hexadecimal

1B 2C n1 n2 n3

The variable n1 turns the Select Pitch on when 1 is entered, a 0

will allow the font to return to the default pitch.

The variable n2 defines

the pitch

shown in EXAMPLE 2, to obtain

in 1/300 inch increments. As

desired characters per inch.

this number divide 300 by the

EXAMPLE 2:

(Incremental Factor) / (Desired CPI) = n2

To prevent

the spacing from being

increased by 256 increments,

the variable n3 must be a 0 (null) character.

Using the codes in EXAMPLE 3 will select

in LOTUS l-2-3.

15 characters per inch

EXAMPLE 3:

\027\044\001\020\000

Table 4

lists

some

n2 variables.

commonly used character spacings and their

Table 4

n2 (Decimal) n2 (Hexidecimal)

37 25

25 19

23 17

20 14

18 12

PRINTING SPREADSHEETS WITH THE GQ-3500

PAGE 3

ESC o - The

SET PRINT DIRECTION command enables the application

software to print sideways on the page, allowing

text to be printed.

more columns of

landscape font.

When in the landscape mode be sure to use the

mode be sure to use the

portrait font.

When in the portrait

To assure proper printer function this command

should only be used in the printer set-up string and not within a

cell printer string. Table 5 shows the set-up string format.

Table 5

ASCII Code:

ESC o n

Decimal:

111 n

Hexidecimal: 1B 6F n

The variable n selects

the orientation. If n = 1, the page will

be printed in the landscape mode. If n = 0 the printer will be

reset to portrait.

To change the print orientation use the codes in EXAMPLE 4.

EXAMPLE 4:

PRINTING SPREADSHEETS WITH THE GQ-3500 PAGE

EPSON

SEWI&*

PRODUCT

SUPPORT BULLETIN

DATE:

11 November, 1987

SUUJECWGQ-3500

PREVENTATIVE MAINTENANCE AND TROUBLESHOOTING

NUMBER:

P-0014

This bulletin is intended to supplement the GQ-3500 Users

Guide to maintain high quality copy.

Symptoms of degraded print quality can be manifested in many

ways, however, only problems which can be resolved with simple

cleaning or replacement of consumables will be addressed in this

bulletin.

OPERATIONAL CHARACTERISTICS

The GQ-3500 processing unit functions virtually the same

as an ordinary copier and contains many of the same components

The components discussed will include:

1. Print Drum (converts the laser scan into a latent

image

2. Developer Unit

and applies the image to the paper)

applies the toner onto the drum

latent image)

3. Collector Unit (cleans and prepares the drum for the

next image

scan)

4. Charge Corona (prepares the drum for the next image,

located in the collector unit)

5. Transfer Corona (assists in applying the image to the

paper,

located directly under the drum)

PRINT DRUM

3. COLLECTOR UNIT

5. TRANSFER CORONA

UNIT

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

RECOMMENDED PREVENTATIVE MAINTENANCE

COMPOlElT

CLEAIIIWG

HETHOD TOOLS USED

ORUH

_--.

OUST OFF EXCESS TONER SOFT CLOTH OR

TISSUE

COLLECTOR DUST, WIPE OR VACUUM OFF

SOFT BRUSH, TOWEL

UNIT

EXCESS TONER OR VACUUM

DEVELOPER INSPECT TONER ROLLER FOR

NONE

UNIT

UNEVEN TONER DISTRIBUTION

INNER

WIPE UP ACCUMULATED TONER SOFT TOWEL

SURFACES

OR VACUUM

CHARGE/TRANSFER INSPECT FOR BROKEN OR

NONE

CORONAS

MISSING

CORONA WIRES

The proper cleaning and/or timely replacement of the above

items will insure a long and productive printer life.

CLEANING PROCEDURE

Turn off the power switch and open the printer clamshell case.

Remove the Drum/Collector. Grasp the two green tabs and lift.

Place the Drum/Collector on sheets of paper. AVOID STROM LIGHT.

Transfer Charger Wire Cleaning - Use the small cleaning tool

stored inside the printer. It is located at the front of the

printer to the right of the toner cartridge. Refer to page 5-16

of the GQ-3500 Users Manual for complete transfer charger wire

cleaning instructions.

Reinstall the Drum/Collector unit into the printer after

cleaning the transfer charger wire.

Collector Unit Cleaning - Separate the Print Drum from the

Collector unit. This is accomplished by compressing both of the

green spring loaded clamps on the Collector and lifting, leaving

the Print Drum in the Processing Tray. Cover the Drum with sheets

of paper to avoid excess exposure to light. Inspect the Collector

cleaning blades for excess toner which may clog the opening (the

blades contact the Print Drum when the Drum is attached).

Carefully shake or brush off excess toner into a waste basket. The

cleaning blades are fragile and will render the Collector useless

if damaged.

Inspect the charge corona wire located above the metal

grid. Make sure it is not broken.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

Print Drum Cleaning -

Inspect

the Drum for excess

toner

which

can be wiped off with a clean soft cloth. The Collector will remove

residual toner, so do not attempt to clean all toner from the Drum.

Over-enthusiastic cleaning subjects the Print Drum to the risk of

scratches.

Reattach the-Print Drum to the Collector in the Processing

Tray carefully realigning the units to each other.

Developer Unit - Can be removed by releasing the small blue

lever and lifting the developer. Inspect toner roller (this

contacts the drum when the developer is installed) for an even

silver/black surface. An uneven toner distribution should be

reported to your service technician for further inspection.

OTHER COPY QUALITY CONCERNS

Ghost Images On Page - Are usually the result of a clogged or

malfunctioning collector unit. Perform the cleaning procedure out-

lined above.

Light Copy Image - Is generally the result of a dirty or

broken transfer corona wire. Also, paper thickness in excess of

the recommended will prevent proper toner transfer.

Toner Smears On Page - Are the indication of either a dirty or

clogged collector or a defective developer. This can also be

manifested in toner splotches on the page. Perform the cleaning

and inspection procedure outlined above.

Bond Paper -

quality symptoms.

Will possibly cause several types of poor print

It is recommended to utilize paper intended for

use in laser printers. Generally smooth surfaced envelopes and

paper will provide better print.

Also, paper that has horizontal rather than vertical grain

will likely cause excessive paper curl upon exiting the printer.

Specify vertical grain when ordering paper for your printer.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF.

gOSOS

EPSON

EPSON AMERICA,

INC.

SERVICE

PRODUCT SUPPORT BULLETIN

DATE:

9/22/87

SUBJECT:

NUMBER:

GQ-3500 and DisplayWrite 4

P-0011

This

APPLICATION NOTE is

intended to assist DisplayWrite 4

users utilizing the GQ-3500. The PRINTER FUNCTION TABLE contained

herein will assist the user in creating a custom printer driver

for the GQ-3500.

Not

all

functions and capabilities will be

supported, however,

most functions

work.

available through DW4 will

The GQ-3500 should be equipped with a

firmware revision of

m0231 or

later (verify this by running a text self-test shown on

page 1-15 of the GQ-3500 users manual). The version number is

located at the lower right hand corner of the test printout.

These are some of the features supported by the created PFT.

Pica (10 pitch)

Elite (12 pitch)

Compressed (17 pitch)

Double Width (5 pitch)

8.5 pitch

15 pitch

17.1 pitch

Super/Subscript

Boldface

Underlining

Variable Line Spacing

Automatic Option Tray selection

Multiple Copies Variable Control

Landscape Paper Handling

IBM Graphic Character Set

(not avail.

in all fonts)

The PFT installation is divided into 4 sections:

Install DW4

operating system

(Refer to DW4 users

manual).

II.

Revise GQ-3500

PFT (Follow instructions contained

within).

III. Designate

the GQ-3500 PFT within

the SYSTEM or USER

DEFINED profile (Refer to DW4 users manual).

IV.

Set GQ-3500 dip switches for page printer mode.

The installation procedure must be completed

to support in it's entirety

the functions listed and work properly.

should take approximately 30-40 minuets to

The procedure

complete. The printer

(GQ-3500) must be connected and ready to print to complete the

creation and installation of the PFT.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE,

CALIF. 90505

SECTION I.

To begin the creation of

the

GQ-3500 File

Table the

installation of

DisplayWrite 4 must be completed. In the PRINTER

SELECTION menu, select item "10.

OTHER

PRINTER" and enter GQ3500.

Refer to the DW4 users 'manual for specifics.

If the program

installation has already been completed proceed to SECTION II.

SECTION II.

Upon completing the installation and accessing

of DisplayWrite 4 please follow these steps to access the create

a working copy

file table:

NOTE

SOME FUNCTIONS REQUIRE A TEST TO BE RUN AFTER

ENTERING VALUES, THE RESPONSE TO

EACH

OF THESE

SHOULD BE "Y" REGARDLESS OF THE TEST RESULTS.

1) From the Main Menu, Select

"9. Profiles.'

2) From the Profiles Menu, Select

"6 Create Table."

3) From the Printer Function Table TasksDepressR."

4) From the Revise Printer Function Table Selection, Enter

Table Name -- "GQ3500."

5) From the Revise Printer Function Table (see figure

below

for

an example) we are ready to CREATE the control codes.

Create Printer Function Table

1. Initialization and Reset

2. Vertical/Horizontal Spacing

3. Highlighting

I4. Paper/Page Options

5. Typestyles/Character Sets

6. User-defined Controls

7. Function Selection Tests

has

We will start with

Il.

and proceed down the menu. If a section

been omitted it is to be left in the default setting.

Initialization and Reset

Start of Document Initialization

Control Sequence:

[

(blank)

End

Document Reset:

Control Sequence:

[

(blank)

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