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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Epson 850, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Epson 850 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Epson 850. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Epson 850 should contain:
- informations concerning technical data of Epson 850
- name of the manufacturer and a year of construction of the Epson 850 item
- rules of operation, control and maintenance of the Epson 850 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Epson 850 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Epson 850, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Epson service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Epson 850.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Epson 850 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
LQ - 850/950/1050 DOT - MATRIX PRINTER Printer Specifications Printing Printing method 24-pin impact dot matrix Printing speed 10 draft 220 10 LCI 73 12 draft 264 12 LQ 88 Printing direction Bi-directional with logic-seeking. User can select unidirectional printing (left to right). Line spacing l/6 inch, or programmable in increments of 1/36Oth of [...]
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Page 2
LQ - 850/950/1050 DOT - MATRIX PRINTER Electrical Voltage 120 VAC, + 10% (USA) 220 VAC, f 10% (Europe) Non-switchable Power consumption 120 Watts maximum Frequency 49.5 to 60.5 Hz Insulation resistance 10 MR between AC power line and chassis Dielectric strength 120 V model can withstand 1.25 kV rms applied between AC line and chassis for 1 minute, [...]
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Page 3
LQ - 850/950/1050 DOT - MATRIX PRINTER Choosing a character set Character sets Country ASClt coda Ihex) 23 24 40 50 5C 50 5E 60 70 7C 70 7E - OUSA t$e[l-‘l:i 1 France z$~“~Q“Cti~ 2 Germany + s b :r, 0 Li . ’ a d ti 13 3lJK f%e:l"'t:)' 4 Denmark I D$@xOA~~eOH- 5 Sweden A n 0 A ii 9, c G i 6 & c 6 Italy t$@‘e-bhbei 7 S[...]
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Page 4
LQ - 850/950/1050 DOT- MATRIX PRINTER The Cut Sheet Feeder The following IS a typical example of a software setup reqmred for proper operation of your cut sheet feeder. Not all software is set up the vame. 50 you may find that a bit of experimentation IS required before you tind rhe best equivalent settings to use. To mamtaln 54 prmted lmes per pag[...]
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Page 5
LQ - 850/950/1050 DOT-MATRIX PRINTER 3. Insert the font module securely into SLOT A or 6 so that the arrow symbols on the font module and the slot are facing each other. If you install only one font module, be sure to insert it into SLOT A. Commands in Numerical Order The following list shows control codes and ESC sequences (with their decimal and [...]
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Page 6
LQ - 850/950/1050 DOT - MATRIX PRINTER Installation/Support Tips Short Tear Off To activate the short tear-off feature on the printer, first turn DIP switch 2-7 to the on position. To control it through the software, send a form feed command at the end of each page. After sending a form feed, do not send it any more data for a 3-second interval. To[...]
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Page 7
LQ - 850/950/1050 DOT - MATRIX PRINTER Information Reference List Engineering Change Notices LQ - 850 - 007/ LQ-1050-007 8/12/88 Version M82982 to Version M80483 LQ-850 PROM upgrade: to increase graphics accuracy in 24-pin bidirectional mode. LQ - 850 - 006/ 7/28/88 Version M8307A to Version M82982 LQ-1050-006 PROM upgrade: to correct and improve p[...]