Custom Audio Electronics P190 User manual
P 190
User’s Manual
P190
Wall printer
www.custom.it
P 190
2
All rights reserved. The reproduction of this manual, either totally or partially, in any
form whatsoever, whether it be on paper or through computer processes, is strictly
prohibited. Custom Engineering s.r.l. and the resource teams employed in the making
of this manual will not be held responsible for any problems arising as a result of
improper use of this manual, as they guarantee that the information contained in it has
been subjected to careful inspection.
Any suggestions regarding errors in its contents or possible improvements will,
nonetheless, be greatly appreciated. The products are continuously checked and
improved. For this reason Custom Engineering s.r.l. reserves the right to modify the
information contained in this manual without prior notice.
COD. DOME-P190-T Revision 1.10
Copyright 1998 Custom Engineering s.r.l. – Italy
Custom Engineering
Str. Berettine 2 - 43010 Fontevivo (PARMA) - Italy
Tel. : +39 0521-680111 - Fax : +39 0521-610701
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GENERAL INFORMATION REGARDING SAFETY
•Read and keep the following instructions.
•Observe all warnings and follow all instructions attached to the printer.
•Before cleaning the printer, disconnect the feed cable.
•Clean the printer with a damp cloth. Do not use liquid or spray products.
•Do not operate the printer near to water.
•Do not place the printer on unsteady surfaces. It could fall and get seriously
damaged.
•Use the type of electricity supply marked on the printer label. In the event of
uncertainty, contact the seller.
•Position the printer in such a way as to ensure that the cables connected to it will
not be damaged.
•Ensure that the maximum absorbed current of the printer does not exceed the
maximum acceptable current for the type of feed cable used.
•Do not put objects of any kind inside the printer as they could cause a short circuit
or damage parts which could affect its performance.
•Do not spill liquids on the printer.
•Do not carry out technical operations on the printer with the exception of the
scheduled maintenance operations specifically indicated in the user’s manual.
•Disconnect the printer from the electricity supply and have it repaired by a
specialized technician should any of the following conditions occur:
A. The feed connector has been damaged.
B. Liquid has penetrated to the inside of the printer;
C. The printer has been exposed to rain or water;
D. The printer is not operating normally despite the instructions in the user’s
manual having been followed.
E. The printer has been dropped and its case damaged.
F. The performance of the printer is poor.
G. The printer does not work.
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GENERAL CONTENTS
1. DESCRIPTION
1.1 General features
1.2 Product description
1.3 Technical specifications
2. INSTALLATION AND USE
2.1 Removing the printer from its packaging
2.2 Installation procedure
2.3 Connections
2.4 Configuration
2.5 Self-test
2.6 Precautions
2.7 Maintenance
3. INTERFACES
3.1 TTL serial
3.2 TTL parallel
3.3 RS232 serial (option)
3.4 CENTRONICS parallel (option)
3.5 Real Time Clock (option)
3.6 Installation of options
4. PRINTER FUNCTIONS
4.1 Printing modes
4.2 Graphics
4.3 Control characters
4.4 Character sets
CONTENTS
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TABLE CONTENTS
Table 1,technicalspecifications
Table 2, serial output signals
Table 3, parallel output signals
Table 4, control characters
FIGURE CONTENTS
Figure 1, front view
Figure 2, overall view
Figure 3, installation
Figure 4, specimen self-test
Figure 5, paper changing
Figure 6, Current Loop selection
Figure 7, printing modes
Figure 8, character sets
APPENDIX CONTENTS
APPENDIX A
A.1 RS232 serial connection with PC
A.2 Centronics parallel connection with PC
APPENDIX B
B.1 PSM05 power supply
B.2 ALI 9/40
APPENDIX C
C.1 Enabling of keyboard configuration function
CONTENTS
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1.1 GENERAL FEATURES
TheP190 (fig.1) is anextremely simpleand functionalwall printer. It isthe idealsolution forapplications
which require the immediate printing of data on a ticket, whether they be of an industrial, professional or
laboratory nature. It is suitable for POS, weighing systems, receipts (not for tax purposes), as well as
for security, controlling and diagnostics purposes.
It has an 8-needle, rapid impact printing mechanism and uses 57.5 mm wide paper rolls.
The P 190 printer is so light-weight and compact that it can be easily fitted on any kind of machinery.
It can be personally programmed and is thus able to meet all possible requirements. It has a 150 byte
print buffer and, as an option, can be equipped with a 2 Kbyte EEPROM. It has TTL serial and parallel
interfaces as standard or RS232 serial and CENTRONICS parallel interfaces as an option. It can, in
addition, be equipped with a Real Time Clock .
It comes in three colours and two models, with 24 and 40 columns.
FIGURE 1
DESCRIPTION
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1.2 PRODUCT DESCRIPTION
The P 190 printer has an ABS casing with a top covering the paper roll and print head.
The dimensions of the printer are shown in Figure 2.
The keyboard, located on the front of the printer, consists of the PRINT and FEED keys with their
respective LEDs.
FIGURE 2
• PRINT key. When this key is pressed, if the printer is in parallel pin 2 of J7 comes out of logic state “0”,
while in serial it transmits control character “$0D”; this only happens if it has been enabled by DATA4 to
logic “0” or if switch 5 of the RS232 option is in the ON position. The PRINT key LED only lights up
during printing. If the printer has a 2 Kbyte EEPROM (option, see paragraph 2.4), the contents of the
memorized blocks are trasmitted.
• FEED key. This enables the manual paper feed. If pressed briefly, when the RTCK option is installed,
the time and date are printed. When the FEED key LED lights up, it is to indicate that the logic card
power supply is correct, i.e. that it is over 3.7 V (minimum threshold below which the printer is reset and
the LED goes out).
DESCRIPTION
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1.3 TECHNICAL SPECIFICATIONS
Table 1 lists the main features of the two printer models: P 190 24 and 40 columns.
TABLE 1
COLUMNS 24 40
Characters (L x H mm):
Normal 1,7 x 2,6 1,1 x 2,6
Double height 1,7 x 5,2 1,1 x 5,2
Double width 3,4 x 2,6 2,2 x 2,6
Expanded 3,4 x 5,2 2,2 x 5,2
Graphic point (L x H mm) 0,33 x 0,38 0,19 x 0,38
Points per line 144 240
Printing speed:
Lines/sec. 2,5 1,5
Characters/sec. 60 60
Feed (lines/sec.) 6 3,6
Line buffer 24 byte 40 byte
Print buffer 150byte
Printing method Impactordot matrix
Character matrix 6 x 10 points
Printing mode Normalor reverse
Character set Normalandextended
Paper roll dimensions 57,5.0,5 mm xØ50 mmmax
Standard interfaces TTLserial andparallel
Optional interfaces Currentloop RS232serial
Centronicsparallel
Power supply double or single 5 Vcc ± 10%
Absorption
Mediumwhenonstandby 38 mA
Mediumwhenprinting 880 mA
Impulsewhenprinting 3,5 A (600 µSec)
Environmental conditions
Operatingtemperature 0°C - +50°C
Operatinghumidity 35% - 85%
Storagetemperature/humidity -20°C - +70°C / 10%-90%
Options Real time Clock, power pack 2 Kbyte EEPROM
DESCRIPTION
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2.1 REMOVING THE PRINTER FROM ITS PACKAGING
Open the package and check that:
a) none of the parts have been damaged during transportation;
b) that the ink cartridge is fitted on the printing mechanism and the paper roll is in place;
c) the two brass screws and washers necessary for installing the printer are, in fact fitted on it
FIGURE 3
2.2 INSTALLATION PROCEDURE
Make a 112 mm x 112 mm square hole in the wall where the printer is to be installed (see Figure 3).
Unscrew the two brass washers “A”, leaving the screws “B” in their holes. Insert the printer into the hole
on the wall, open the front panel and, from the back, manually screw in the two brass washers, until the
printer is firmly in place.
Insert the interface and the power supply connectors, located on the logic card.
If possible, protect the machine from direct light sources.
INSTALLATION and USE
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2.3 CONNECTIONS
Power supply
Withregardtopower supply,theP190 printerhasastandardAMPMODU1 4-pinmale(J3)typeconnector.
The power supply connector pins are marked as follows:
1 GND
2 GND
3 +VT: 5 Vcc ± 15% (printer needle power supply)
4 +VCC: 5 Vcc ± 7% (logic card power supply)
Connecting with the power supply connector (J5) can be avoided by using the flat 20-pin connector (J1)
of the logic or by replacing the latter, by special request at the order stage, with a similar 26-pin one,
thus connecting the power supply and the printer signals with a single cable. In this case, however, the
maximum length of the flat cable must not exceed 30 cm for the 20-pin version and 70 cm for the 26-pin
version. The reason for this is that current running along inside narrow wires can lead to power failures
which could interfere with the correct functioning of the printer.
Ifthe printerhas the RS232or CENTRONICSoptions, itmust besupplied by meansof theJ5 connector.
For the pin pattern required for supplying power through the logic flat cable, please refer to the following
paragraph.
LOGIC
Inthe J120-pin connector,the signalsarearrangedasfollows:
1+VT 2+VT
3 +VCC 4 +VCC
5 GND 6 GND
7 TD 8D6
9 D5 10 D4
11 D3 12 D2
13 D1 14 D0
15 D7 * 16 RESET
17 S-EN 18 READY/RTS
19 FEED 20 STB/RD
INSTALLATION and USE
TO PRINTING MECHANISM
POWER SUPPLY
CONNECTO
EXTERNAL REWINDER
CONNECTO
TO PRINT KEY
TO FEED KE
SELECTION JUMPER SETTING THROUGH
JUMPER FOR ENABLING
FRONT KEYS
CONNECTO
USER
EXTERNAL PRINT
KEY CONNECTOR
Table of contents
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