Epson GQ-3500 Quick Reference Guide
EPSON
EPSON AMERICA INC.
SERVICE
PRODUCT SUPPORT BULLETIN
PSB NO.: P-0021
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.
Memory
Size
Description
DATE: 06/15/88
I
Table 1
Product
PAGE: 1 of 1
I
Status
512K
1.5Meg
2.OMeg
Standard Memory Size
Initial Memory Up-grade
Current memory up-grade
EIIMM
5190
5192-A
DT o”o
pgl g/J.
ril D”o
,=r @.I.
InI D-8
DEi fia.
EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505
EPSON
EPSON AMERICA, INC.
SERVICE
DATE:
SUBJECT:
NUMBER:
Page 1 of 4
PURPOSE
The purpose of this bulletin is to assist users of the GQ-3500 in
printing spreadsheet type documents.
in this document will provide added versatility to your application
software.
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.
understanding of the printer codes used in the GQ-3500; however,
this knowledge is not critical in proper usage of these codes.
PRODUCT SUPPORT BULLETIN
05-04-88
PRINTING SPREADSHEETS WITH THE GQ-3500
P-0019
The printer codes highlighted
This bulletin contains all the information necessary to
The user should also have a basic
The GQ-3500 Interface Card must be set to the Page Printer mode for
these codes to work correctly.
must be set to the OFF position.
the printer,
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
loosen the two knurled screws on the back
DIP switches 1 and 2 of switch bank 1
To access these switches, turn off
of
the
ESC y select the font that would permit
the desired characters per inch.
The SELECT CHARACTER SET command allows the user to
the greatest legibility with
To select
character set fonts would be best suited for the document and the
pitch selected.
Table 1 shows the set-up string format.
The variables n1 and n2 designate the specific font selection.
The variable n1 specifies the font locations as follows:
0
= Internal fonts
The variable n2 represents
location.
Table 2 shows the internal fonts available in the GQ-3500.
the desired character set first determine which of the
Table 1
ASCII code:
Decimal:
Hexidecimal:
1
= IC Card fonts
ESC y n1 n2
027 121 n1 n2
79 nl n2
the particular
= Downloaded fonts
2
font in the selected
Table 2
No. Name
I
0
Courier 10
1
Courier 10
2
EDP 13 Portrait
3
EDP 13
4
Modern 10 PS
5
Ext. Graphics
6
Ext. Graphics
LOTUS l-2-3 accepts printer set-up codes
the codes
font internal to the GQ-3500.
EXAMPLE 1:
in EXAMPLE 1
Orientation
Portrait
Landscape
Landscape
Portrait
Portrait
Landscape
below will select EDP 13, the smallest
EDP 13:
\027\121\000\003
CPI
10 10
10 10
13
13
-10 12
10 12
in decimal
Point Size
7
7
10
form. Using
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
therefore, it
other if
the selected CPI is too small. Table 3 shows the set-up
not
alter the actual size of
is possible
the character,
to cause letters to print over each
string format.
Table 3
ASCII Code:
Decimal:
Hexadecimal
ESC ,
n1 n2 n3
27 44 n1 n2 n3
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
shown in EXAMPLE 2, to obtain
the pitch
this number divide 300 by the
in 1/300 inch increments. As
desired characters per inch.
EXAMPLE 2:
15
(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
15 characters per inch
in LOTUS l-2-3.
EXAMPLE 3:
Table 4
lists
some
\027\044\001\020\000
commonly used character spacings and their
n2 variables.
Table 4
n2 (Decimal)
n2 (Hexidecimal)
60
37
30
25
23
20
18
PRINTING SPREADSHEETS WITH THE GQ-3500
3C
25
1E
19
17
14
12
PAGE 3
ESC o - The
software to print sideways on the page, allowing
text to be printed.
landscape font.
portrait font.
should only be used in the printer set-up string and not within a
cell printer string.
SET PRINT DIRECTION command enables the application
more columns of
When in the landscape mode be sure to use the
When in the portrait
To assure proper printer function this command
Table 5 shows the set-up string format.
Table 5
mode be sure to use the
ASCII Code:
Decimal:
Hexidecimal: 1B 6F n
The variable n selects
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:
the orientation. If n = 1, the page will
ESC o n
27
111 n
PRINTING SPREADSHEETS WITH THE GQ-3500
PAGE
4
EPSON
SEWI&*
DATE:
SUUJECWGQ-3500
NUMBER:
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,
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
2. Developer Unit
3. Collector Unit (cleans and prepares the drum for the
4. Charge Corona (prepares the drum for the next image,
5. Transfer Corona (assists in applying the image to the
PRODUCT
11 November, 1987
PREVENTATIVE MAINTENANCE AND TROUBLESHOOTING
P-0014
only problems which can be resolved with simple
image
SUPPORT BULLETIN
and applies the image to the paper)
applies
4
latent image)
next image
located in the collector unit)
paper,
the toner onto the drum
scan)
located directly under the drum)
1.
PRINT DRUM
UNIT
3. COLLECTOR UNIT
EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505
5. TRANSFER CORONA
RECOMMENDED PREVENTATIVE MAINTENANCE
COMPOlElT
PRINT
COLLECTOR
UNIT
DEVELOPER
UNIT
INNER
SURFACES
CHARGE/TRANSFER
CORONAS
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.
Place the Drum/Collector on sheets of paper. AVOID STROM LIGHT.
ORUH
_--.
WIPE UP ACCUMULATED TONER
CLEAIIIWG
OUST OFF EXCESS TONER
DUST, WIPE OR VACUUM OFF
EXCESS TONER
INSPECT TONER ROLLER FOR
UNEVEN TONER DISTRIBUTION
INSPECT FOR BROKEN OR
MISSING
Grasp the two green tabs and lift.
HETHOD
CORONA WIRES
TOOLS USED
SOFT CLOTH OR
TISSUE
SOFT BRUSH, TOWEL
OR VACUUM
NONE
SOFT TOWEL
OR VACUUM
NONE
Transfer Charger Wire Cleaning
stored inside the printer.
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.
grid. Make sure it is not broken.
EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505
Inspect the charge corona wire located above the metal
It is located at the front of the
- Use the small cleaning tool
Print Drum Cleaning -
can be wiped off with a clean soft cloth.
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.
reported to your service technician for further inspection.
OTHER COPY QUALITY CONCERNS
An uneven toner distribution should be
Inspect
the Drum for excess
The Collector will remove
toner
which
Ghost Images On Page
malfunctioning collector unit.
lined above.
Light Copy Image broken transfer corona wire.
the recommended will prevent proper toner transfer.
Toner Smears On Page
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.
use in laser printers.
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.
Will possibly cause several types of poor print
It is recommended to utilize paper intended for
- Are usually the result of a clogged or
Perform the cleaning procedure out-
Is generally the result of a dirty or
Also, paper thickness in excess of
- Are the indication of either a dirty or
Generally smooth surfaced envelopes and
EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF.
gOSOS
EPSON
EPSON AMERICA,
SERVICE
DATE:
SUBJECT:
NUMBER:
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.
supported,
work.
m0231 or
page 1-15 of the GQ-3500 users manual). The version number is
located at the lower right hand corner of the test printout.
INC.
This
The GQ-3500 should be equipped with a
These are some of the features supported by the created PFT.
PRODUCT SUPPORT BULLETIN
9/22/87
c
GQ-3500 and DisplayWrite 4
P-0011
APPLICATION NOTE is
Not
however,
later (verify this by running a text self-test shown on
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
all
most functions
(not avail.
intended to assist DisplayWrite 4
functions and capabilities will be
available through DW4 will
firmware
in all fonts)
revision of
The PFT installation is divided into 4 sections:
I.
II.
III. Designate
IV.
The installation procedure must be completed
to support
should take approximately 30-40 minuets to
(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,
Install DW4
manual).
Revise GQ-3500
within).
DEFINED profile (Refer to DW4 users manual).
Set GQ-3500 dip switches for page printer mode.
the functions listed and work properly.
operating
PFT
the GQ-3500 PFT within
system
(Follow instructions
(Refer to DW4 users
contained
the SYSTEM or USER
in it's entirety
The procedure
complete. The printer
CALIF. 90505
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