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1. On when the POWER switch is on and power is supplied READY green On when the printer is ready to accept input data Flickers during printing PAPER OUT red On when the printer is out of paper or when continuous paper is in the standby position ON LINE green On when the printer is on line and ready to accept data SelecType FONT Press this button to select LQ ROMAN LQ SANS SERIF DRAFT mode or a cartridge font if installed The orange indicator light show8 the font you select See Selecting Typestyles later in this chapter PITCH Press this button to select the character You can choose 10 CPL 12 15 CPL or PS proportional spacing The orange indicator light shows the spacing you select You cannot select proportional spacing with draft mode Draft mode overrides proportional spacing CONDENSED Press this button to turn the condensed mode on and off The orange indicator light is on when the printer is in the condensed mode In the condensed mode all characters are printed at approximately 60 percent of their normal width You cannot select condensed mode with a pitch of 15 cpi 24 Pin Printers Graphics Option Pins m Horiz density dots in Single density 8 0 60 Double density 8 1 120 High speed double density 8 2 120 Quadruole densitv 8 3 240 cati 8 4 80 CATH e 4 90 l Single density 24 31 60 Double density 24 33 120 CRT Ii 24 39 90 Triple density
2. Ribbon cartridge Cross head scewdriver Paper rest Printer Specifications Printing Print method 24 pin impact dot matrix Print speed Quality Characters per Inch Characters second line High speed dratt 10 300 Normal draft 10 246 a SE Letter Quality 10 82 12 98 Printing direction Line spacing Paper feed speed 24 Pin Printers Bidirectional logic seeking for text and graphics Bidirectional for graphics LQ 850 1050 DOT MATRIX PRINTER Printable columns Buffer Character fonts Characters Paper weight Paper thickness Number of copies Unidirectional can be selected with a DIP switch or by using the proper software command 1 6 inch or programmable in increments of 1 360 inch Single sheet 3 0 inches per sec 60 ms line Continuous 2 7 inches per sec 65 ms line lt Maximum printed characters Character spacing LO 850 LQ 1050 10 epi 80 136 10 coi condensed 137 233 12cpi 96 164 12 cpi condensed 160 272 6KB or OKB panel button selectable Available sizes Characters per inch Epson Roman 10 12 15 Proportional Epson Sans Seri 10 12 15 Proportional 96 standard ASCII character set including italic characters 14 international character sets 1 Legal character set 7 Epson Extended Graphics character set 5 graphics character sets Single Sheet 141b to 24 Ib continuous 14bto22b Multi
3. 23 24 ts ts 2 ts tn ts R Z3 24 40 58 5C 78 70 8 Japan tse 9 Norway ukeg GOAV 6 eo wo dt 10 Denmark II steorev eaewe ids tt 11 Spain Il s 4 i tet fh 6 a 12 Latin Amenca 4 N amp 6 UL A 6G 13 Korea tse iwn j 7 64 Legal s e Once you set the DIP switches for a certain character set that set remains valid even after you turn off reset or initialize the printer However software commands override the DIP switches settings until the commands are canceled or the printer is turned off reset or initialized LQ 850 1050 4 7 16 90 Graphics character sets Application Software Graphics typo Sw 1 1 Sw 1 2 bw 1 3 Because the family of Epson printers shares a great many commands you can use an application program even if it does not list the LQ 850 or LQ 1050 on its printer selection menu If the printer is not listed choose one of the following printers They are listed in order of preference LQ 850 LQ 1050 LQ 800 LQ 1000 LQ 510 LQ 500 LQ 1500 If none of these printers is listed select the first one available on the following list LQ EX FX LX RX MX Epson printer Standard printer Draft printer To use all of the features of the however it is best to use a program with the LQ 850 or LQ 1050 on its menu If your program does not list the printer contact the software manufacturer to see if an update is available that sup
4. 24 39 180 Hex density 24 40 360 Adjacent dots cannot be printed in this mode The Cut Sheet Feeder Single bin and Double bin Cut Sheet Feeders 7339G A 7340G A 7346 A 7348 A The cut sheet feeders make it possible to handle single sheet paper and envelopes more easily and more efficiently Up to 150 sheets of standard bond paper can be automatically fed into the printer without reloading l The Pull Tractor Pull Tractor Unit 7311 A 7312G A This option improves the performance of continuous haing Els eepectally useful with continuous multi part forms 7 16 90 LQ 850 1050 5 LQ 850 1050 DOT MATRIX PRINTER The Multi Font Module Multi Font M odule 7407 A The optional M ulti Font module adds to the number of fonts available in the Letter Quality mode You can use two Multi Font modules with your printer Commands in Numerical Order ASCII Dec Hex Description Page BEL 7 07 Beeper E EEN O T 9 12 BS 8 08 Backspace ssccseueeeeeseees 9 20 HT 9 09 Tab Horizontally 9 21 LF H OA Line Feed seesseeeeceeueees 9 15 VT 0B Tab Vertically eseeeeeeeenees 9 17 FF 12 0c Form Feed ccsceeeeseeeeees 9 13 CR 13 oD Carriage Return sseseeeeee 9 12 so 14 OE Select Doublewide Mode one line scceceeeeeneaees SI 15 OF Select Condensed Mode DC1 17 11 Select Printer sseeees DC2 18 12 Cancel Condensed Mode DC3 19 13 Desele
5. a 97 61 Selectjustification 2 05 9 33 ESC b 98 62 Set Vertical Tabs in Channels 9 18 ESC g 103 67 Select 15 CPI ss sseeeeeseeseees 9 24 ESC k 107 6B Select Typestyle Family ve 9 23 ESC 1 108 6C Set Left Margin 2 essees 9 19 ESC p 112 70 Turn Proportional Mode ON OFF vs seceesensesseseeeees 9 25 ESC q 113 71 SelectCharacter Style 9 32 ESC t 116 74 Select Character Table 9 34 ESC w 119 71 Turn Double high Mode e TAa i C EEEE 9 28 ESC x 120 78 Select Letter Quality or Draft 9 22 24 Pin Printers 7 16 90 LQ 850 1050 7 LQ 850 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 Single Sheet Loading When loading single sheets make sure that the paper lever is set to single sheets not tractor paper The paper pan be loaded manually or via the auto load button Before attempting to load in the paper wait for the platen to lock in place after changing the paper lever Setting up the Page Length The page length has to be adjusted for using single sheets and for using tractor paper When your software you asks you to set up the number of lines page single sheet8 require a shorter page length than does tr
6. mm length 7 2 to 14 3 inches 7 2 to 14 3 inches 182 to394 mm 182 to 364 mm Continuous paper width 4 0 to 10 0 inches 4 0 to 16 0 inches 101 to 254 mm 101 to 406 mm Envelopes No 0 6 54 x 3 62 inches 166 x 92 mm No 10 9 49 x 4 99 inch88 249 x 104 mm Labels 2 5 x 0 94 inch 63 x 23 8 mm minimum Printable area Note For the LQ 850 Single sheet 033 inch 8 5 mm minimum 12 inches 3 0 mm minimum Prin fable area 0 53 inch 13 5 mm minimum on paper from 9 to 10 1 inches wide increases the minimum right and left margins to 0 53 inches 7 16 90 24 Pin Printers LQ 850 1050 DOT MATRIX PRINTER Continuous paper Setting the DIP Switches DIP Switch 1 Settings Jorr sein ON ON International character say Graphics character set ol N Character aie Sore as OF rarer r Uae B OFF Hohspeed dat OFF TON OFF cut sheet oder mode on OFF OFF OFF 0 Printable area 035 inch 9 mm minimum Printable area minimum Note The minimum for the right and left margins increases to 0 98 inch 25 0 mm when printing on 10 inch wide paper on the LQ 850 or on I amp inch wide paper on the LQ 1050 Envelope 033 inch 8 5 mm t minimum Printable area C1 0 12 inch 3 0 mm minimum 053 inch 13 5 mm t minimum Note Envelope printing is only available at normal operating conditions Load the envelope with it
7. 000 power on hours at 25 duty LQ 1050 6000 power on hours at 25 duty 200 million strokes fabric ribbon 100 million strokes film ribbon Dimensions and weight ee tossa wo 10 1080 136 Widin 17 0 inches 490 mm 23 8 inches 605 mm CCE Electrical Voltage Power consumption Frequency 120 VAC 10 self test printing draft mode LQ 850 55W 240W maximum LQ 1050 60w 49 5 60 5 Hz Insulation resistance 10M ohms between AC power line and Dielectric strength between AC line and chassis Environmental Temperature Humidity without condensation Operation angle Shock Vibration LQ 850 1050 2 chassis Can withstand 1 00 kV rms applied for one minute or 1 20kV rms applied for one second Operation 41 F to 95 F 5 C to 35 C Storage 22 F to 150 F 30 C to 65 C Operation 10 to 80 Storage 5 to 85 Less than 15 without cut sheet feeder 0 with cut sheet feeder Operation Up to 1 G within 1 ms Storage Up to 2G within 1 ms Operation Up to 0 25 G at up to 55 Hz storage Up to 0 50 G at up to 55 Hz Paper Handling Paper feeding methods Friction Paper width and length Built in push feed tractor with paper tension unit Pull tractor optional Singlebin or double bin cut sheet feeder optional Paper LO 890 L 1050 Single sheet width 7 2 to 10 1 inches 72to 14 3 inches 182 to 257 mm 182 to 364
8. actor paper Set the page length to 61 lines for single sheets also when using the cut sheet feeder and 66 lines for tractor paper Software The type of printer installed on your system must be identified for each software package This is usually done through a setup menu If the LQ 850 1050 is not listed in the software pa amp age any Epson 24 pin driver will be compatible DIP Switch Settings The default settings will usually work for most applications but they should be checked before using the printer This will avoid unexpectedresults LQ 850 1050 8 7 16 90 24 Pin Printers Lq 850 1050 DOT MATRIX PRINTER Information Reference List Engineering Change Notices None Technical Information Bulletins None Product Support Bulletins P 0020 5 6 88 Paper thickness lever P 0035 11 29 88 LQ 850 950 1050printerquestions P 0047 7 19 89 LQ film ribbons Related Documentation TM LQ8510 LQ 850 1050 Service Manual 4000045 LQ 850 1050 user s Manual 24 Pin Printers 7 16 90 LQ 850 1050 9
9. ct Printer ccseeeees DC4 20 14 Cancel Double wide Mode one line 9 27 CAN 24 18 Cancel Line 9 12 DEL 127 7F Delete Character 9 9 ESC SO 14 OE Select Doublewide Mode one line seeseceeeeeeneens 9 27 ESC SI 15 OF Select Condensed Mode 9 26 ESCEM 25 19 Control Cut Sheet Feeder 9 10 ESC SP 32 20 Set Intercharacter Space 9 33 ESC 33 21 Master Select 9 23 ESC 35 23 Cancel MSB Control 9 11 ESC 36 24 Set Absolute Print Position 9 20 ESC 37 25 Select User defined Set 9 37 ESC amp 38 26 Define User defined Characters 9 36 ESC 40 28 Select Score 9 31 ESC 42 2A Select Graphics Mode 9 39 ESC 43 2B Set n 360 inch Line Spacing 9 15 ESC 45 2D Turn Underline Mode ON OFF ricusate 9 32 ESC 47 2F Select Vertical Tab Channel 9 18 ESC 0 48 30 Select I amp inch Line Spacing 9 15 ESC 2 50 32 Selecti 6 inchLineSpacing 9 16 ESC3 51 33 Setn 180 inch Line Spacing 9 16 ESC4 52 34 Select Italic Mode s s 9 34 ESC5 53 35 Cancel Italic Mode s s s 9 35 ESC6 54 36 Enable Printable Characters 9 37 ESC7 55 37 Enable Upper Control Codes 9 37 ESC 58 3A Copy ROM to RAM ssseeuee 9 36 LQ 850 1050 6 7 16 90 24 Pin Printers LQ 850 1050 DOT MATRIX PRINTER ASCII Dec Hex Description Page ESC lt 60 3c Select Unidirectional Mode one line 61 3D Set MSB to0 ESC gt 62 3E Set MSB tol i ESC 63 3F Reassign Graphic
10. ports your model The Control Panel UNE FEED x When the printer is off line press this button to advance the paper one line or hold it down to advance the paper continuously LOAD EJECT When the printer is off line press FORM FEED this button to feed paper to the loading position or to eject paper e that is already loaded Paper is c I ejected forward if the paper LINE FEED release lever is set to the single sheet position and backward out 3 of the paper path if the release lever is set to the continuous LOAD EJECT paper position o Also used for buffer options BIN 1 B1N 2 When the is on line Buttons press this to select ON LINE either bin 1 or bin 2 of the This button controls the printer s ayuda ciao ear on line and off line status Press you select bin 1 and twice if this button to put the printer on bin 2 line or to take it off line When the YOu Select printer is on line the ON LINE light is on and the printer can receive and print data from the computer FORMFEED When the printer is off line press this button to eject a single sheet of paper or to advance continuous paper to the top of the next page 24 Pin Printers LQ 850 1050 DOT MATRIX PRINTER Lights MULTI PART orange On when the paper thickness lever is set to position 4 or higher For regular paper this light should not be on When this light is blinking the micro adjustment function can be POWER green
11. put 12 Ib to 15 Ib per sheet forms Maximum number sheets 4 Envelope 12 Ib to 24 Ib Single Sheet 0 0025 to 0 0055 inch 0 065 to 0 14 mm Continuous 0 0025 to 0 012 inch 0 065 to 032 mm Envelope 0 0063 to 0 0197 inch 0 16 to 0 52 mm Label maximum 0 0075 inch 0 19 mm One original plus up to 3 copies at normal temperature One original plus up to 2 copies all temperature ranges Total thickness must not exceed 0 012 inch 0 32 mm Notes The The use of 24 Ib paper is only available at normal temperature e Printing past the edge of envelopes multi part forms labels or paper that is thicker than normal can damage the print head e Labels with a pressure sensitive covering either glued or tacked onto the backing sheet can be printed under the conditions listed below The total thickness may not exceed 0 0118 inch 0 3 mm range is between 41 F and 95 F 5 to 35 C The relative humidity is between 10 and 80 percent 7 16 90 LQ 850 1050 1 LQ 850 1050 DOT MATRIX PRINTER Mechanical Ribbon MCBF MTBF Print head life Black ribbon cartridge 7753 7754 Lifeexpectancy in Letter Quality characters at 48 dots character 2 million characters Film ribbon cartridge 7768 7770 Life expectancy in Letter Quality characters 7768 0 2 million characters 7770 0 3 million characters For all components excluding print head 5 000 000 lines LQ 850 4
12. s Mode 9 40 ESC 64 40 Initialize Printer 9 8 ESC A 65 4 Set n 60 inch Line Spacing 9 16 ESC B 66 42 Set Vertical Tabs 9 17 ESC C 67 43 Set Page Length in Lines i ESC C0 67 43 Set Page Length in Inches ESC D 68 44 Set Horizontal Tabs 9 22 ESC E 69 45 Select Emphasized Mode ESC F 70 46 Cancel Emphasized Mode ESC G 71 47 Select Double strike Mode 9 29 ESCH 72 48 Cancel Double strike Mode 9 29 ESC J 74 4A Perform n 180 inch Line Feed 9 17 ESC K 75 4B Select Single density Graphics Mudo s andsa ida ancl 9 38 ESCL 16 4C Select Doubledensity Graphics Mode soisi chaise ernas 9 38 ESCM 77 4D Select 12CPI 9 24 ESCN 78 4E Set Skip Over Perforation 9 14 ESCO 79 4F Cancel Skip Over Perforation 9 14 ESC P 80 50 Select 10 CPI 5 9 24 ESC Q 81 51 Set Right Margin 9 19 ESC R 82 52 Select an International character set 04 ESC S0 83 53 Select Superscript Mode ESCS1 83 53 Select Subscript Mode ESC T 84 54 Cancel Superscript Subscript Mode ssccecceeeeesensneees 9 30 ESC U 85 5 Turn Unidirectional Mode On Off iiss secsanrdasinaamnn 9 10 ESC W 87 57 Turn Doublewide Mode ON OFF sssasasassnsnnsassnne 9 27 ESC Y 89 59 select High speed Double density Graphics Mode 9 38 ESC Z 90 5A Select Quadruple density Graphics Mode 9 39 ESC 92 5C Set Relative Print Position 9 21 ESC
13. s long side horizontal Note For normal use set the paper thickness lever to position 2 on the scale If you have installed the optional film ribbon cartridge and you want to use the single sheets or continuous paper set the paper thickness lever to position 1 Note The ESC R control codes can change the above settings to any country s character Set The following table gives you general guidelines for selecting the International character sets are selectable only when DIP switch 1 4 is oft right paper thickness lever position for the type of paper you are using Interface parity selection Paper type Lever position Paper single shoots or continuous paper with film ribbon installed 1 Thin paper or 1 Paper single shoots or continuous paper with standard ribbon installed 2 24 bpaper single shoots Multi pert forms 2 sheet 3 sheet 4 sheet Labels Envelopes Air mail 4orS 6 alaanw Plain Bond 20b 6 Bond 24 b 7 Note if the lever is set to position 4 or higher the printing speed may be reduced slightly 24 Pin Printers 7 16 90 LQ 850 1050 3 LQ 850 1050 DOT MATRIX PRINTER United States ON ON ON Multilingual ON ON OFF Portugal ON OFF ON Canada French O N Q FF DFF Norway OFF ON ON Graphics character sets are selectable only when the DIP switch 1 4 is on Page length sdection

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