Epson SQ-2550 User Manual Download Page 259

Page: 259 / 315

Commands Arranged by Topic

ESC 0
Format:

Cancel Skip Over Perforation

ASCII code: ESC 0

Decimal:

Hexadecimal: 1B 4F

Comments:

Cancels the skip over perforation set by ESC N. Overrides

the SelecType 1’ SKIP setting.

LF
Format:

Line Feed

ASCII code: LF

Decimal:

Hexadecimal: 0A

Comments:

When this command is received, the data in the print buffer

is printed and the paper advances one line in the current line

spacing.

ESC 0
Format:

Select 1 /S-inch Line Spacing

ASCII code: ESC 0

Decimal:

27 48

Hexadecimal: 1B 30

Comments:

Sets the line spacing to l/8th of an inch for subsequent line

feed commands. The 0 is the character zero and not decimal
code 0. Overrides the SelecType LINE SPACING setting.

Command Summary

9-15

Summary of Contents for SQ-2550

Page 1: ...EPSON SQ 850 SQ 2550 24 NOZZLE INK JET PRINTER USER S GUIDE ...

Page 2: ...correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the printer with respect to the receiver Move the printer away from the receiver Plug the printer into a different outlet so that the printer and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for addition...

Page 3: ...EPSON S Q 8 5 0 2 5 5 0 User s Guide ...

Page 4: ...paration of this book Seiko Epson Corporation assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein Seiko Epson Corporation shall not be liable against any damages or problems arising from the use of any options other than those designated as Original Epson Products by Seiko Epson Corporation EPSON ...

Page 5: ...r the Printer l 7 Assembling the Printer 1 9 Testing the Printer 1 14 Connecting the Printer to Your Computer l 28 Setting Up Your Application Software l 32 Chapter 2 Paper Handling 2 l Choosing Paper 2 2 Using Single Sheets 2 3 Using Continuous Paper 2 8 Switching between Continuous and Single Sheets 2 16 Printing on Special Paper 2 23 Contents iii ...

Page 6: ...onal Character Set 3 35 Choosing a Character Table 3 36 Data Dump Mode 3 38 Chapter 4 Software and Graphics 4 l Enhancing Your Printing 4 2 Graphics 4 9 User defined Characters 4 21 Chapter 5 Using Printer Options 5 1 The Cut Sheet Feeder 5 2 The Pull Tractor 5 21 Interface Boards 5 31 Chapter 6 Maintenance 6 l Cleaning the Printer 6 2 Cleaning the Print Head 6 4 Replacing the Ink Cartridge 6 6 Tr...

Page 7: ...ecifications 8 l Printer Specifications 8 2 Interface Specifications 8 10 Options Specifications 8 15 Initialization 8 18 Chapter 9 Command Summary 9 l Using the Command Summary 9 2 Commands in Numerical Order 9 5 Commands Arranged by Topic 9 8 Appendix A l Proportional Width Table A 2 Character Tables A 6 Glossary GL 1 Index IN 1 Contents v ...

Page 8: ... most from your printer This chapter includes advice on the use of software commands graphics and user defined characters Also see Chapter 9 for a summary of printer commands If the printer does not operate properly or the printed results are not what you expect see Chapter 7 for a list of possible solutions Other chapters contain information on general maintenance use of the printer options and s...

Page 9: ...ollowed carefully to avoid damage to your printer and computer CAUTIONS should be followed carefully to ensure that your printer operates correctly Notes contain important information and useful tips on the operation of your printer 2 About This Guide ...

Page 10: ...anced paper handling system that allows you to easily switch between single sheets and continuous paper by pressing the appropriate panel buttons You can use single sheets without removing the continuous paper or you can use continuous paper even while the optional Cut Sheet Feeder is installed A short tear off feature that saves paper After you tear off the latest sheet printed on continuous pape...

Page 11: ...000 LQ 2500 LQ 2500 LQ 850 LQ 1050 LQ 500 LQ 2550 and SQ 2500 printers Options A variety of printer options is available for use with your SQ 850 or SQ 2550 printer For detailed information on the installation and use of these options see Chapter 5 Single bin and Double bin Cut Sheet Feeders C806081 C806091 C806101 C806111 These cut sheet feeders give you easier and more efficient handling of sing...

Page 12: ...eful when printing graphics labels or continuous preprinted forms Optional Interface Boards A number of optional interface boards can be used to supplement the printer s built in parallel and serial interfaces Guidelines for choosing the right interface and instructions on installing the boards are given in Chapter 5 Introduction 5 ...

Page 13: ... 9 Attaching the paper guide 1 9 Installing the ink cartridge 1 10 Testing the Printer 1 14 Connecting to a power supply 1 14 Charging the ink cartridge 1 16 Running the self test 1 19 Checking the operation 1 26 Connecting the Printer to Your Computer 1 28 The parallel interface 1 28 The serial interface 1 30 Setting Up Your Application Software 1 32 Choosing from a menu 1 32 Setting Up the Print...

Page 14: ...nk cartridge beyond its rated life expectancy Ink cartridges are good up to the date printed on the cartridge See that the print head is capped before the printer is turned off To cap the head simply push the ON LINE button to set the printer off line The head caps automatically when it enters the off line state Then turn off the printer Never remove the ink cartridge when the printer is on line o...

Page 15: ...n knob cross head screwdriver optional screw locks CAUTION Different versions of the printer are designed for different electrical standards The power supply type is shown on the label on the back of the printer If it does not show the correct voltage for your country contact your EPSON dealer It is not possible to adjust the printer for use on another voltage Setting Up the Printer l 3 ...

Page 16: ... must be removed before you turn on the printer After removing these items store them with the other packaging material in case you ever need to transport your printer 1 Insert the platen knob into the hole on the printer s side and rotate it until it slips onto the shaft 2 Press firmly on the knob until it fits against the printer case l 4 Setting Up the Printer ...

Page 17: ...ys turn off the power If you need to adjust the position of the paper after it is loaded use the micro adjustment feature described in the section on setting the loading position in Chapter 3 3 Remove the printer cover 4 Remove the white packing material and remove the notice sheet by using the platen knob Then push the paper bail toward the platen Setting Up the Printer l 5 ...

Page 18: ...transport screws and locking brackets as shown below SQ 850 only has two screws and single locking bracket CAUTION Never leave the transport screw in the printer because of it can damage the print head 6 Reattach the printer cover l 6 Setting Up the Printer ...

Page 19: ...et do not use an adapter plug WARNING l Avoid locations that are subject to direct sunlight excessive heat moisture or dust l Avoid using electrical outlets that are controlled by wall switches or automatic timers Accidental disruption of power can wipe out information in your computer s and printer s memory l Avoid using outlets on the same circuit with large motors or other appliances that might...

Page 20: ...Never use a stand that supports the printer at an angle The printer should always be kept level l If your paper supply is positioned below the printer stand make sure that there is enough clearance to keep the paper from catching on the underside of the stand Also check to see that the distance between the stand supports is wide enough to accommodate the width of your paper l Position your printer...

Page 21: ...k cartridge Before assembling the printer make sure that all protective materials have been removed Installation instructions for these components are given below Attaching the paper guide To install the paper guide follow these steps 1 Fit the pins of the paper guide into the slots in the printer as shown below Setting Up the Printer l 9 ...

Page 22: ...out 2000 pages in Letter Quality mode Also keep in mind that the first ink cartridge you install may print fewer pages because some of the ink is used to fill up the ink delivery system Note On one end of the cartridge is an ink indicator lever that registers whether the cartridge is full or empty the lever is up when full and down when empty there s an F and E marked on the case When replacing an...

Page 23: ...mediately with water and contact a physician Wash all traces of ink from your skin thoroughly with soap and water after handling the cartridge If irritation occurs contact a physician l Do not dismantle the cartridge l Keep the cartridge out of reach of children Install the ink cartridge as follows 1 Open the ink cartridge compartment cover by pressing once on the area marked by the three grooves ...

Page 24: ...left of the printer before removing or replacing the ink cartridge 2 Insert the end of the cartridge with the foil plug into the ink compartment as shown in the illustration below Then gently push the cartridge all the way into the compartment until you hear the click of the cartridge meeting the back of the ink compartment 1 12 Setting Up the Printer ...

Page 25: ...3 Close the ink cartridge compartment cover Setting Up the Printer 1 13 ...

Page 26: ...amaged during shipping and to ensure that the ink cartridge is correctly installed Before running the self test you need to connect your printer to a power supply charge the ink and load a sheet of paper Connecting to a power supply Before plugging in your printer make sure that all packing materials are removed and the ink cartridge is installed 1 Check to see that the printer is turned off the c...

Page 27: ...ntact your EPSON dealer without connecting the power cable 3 Connect the power cable to the AC inlet on the printer s rear panel WARNING Before turning on the printer be absolutely sure that you have removed all of the protective materials Turning on the printer while the print head cannot move may seriously damage the mechanism Setting Up the Printer 1 15 ...

Page 28: ...e one shown above the steps for connecting it are the same Charging the ink cartridge Before operating your printer you need to charge the ink delivery system with ink You do not need to perform this step again even when after transport the printer Note You do not need to charge the ink every time you replace the ink cartridge 1 16 Setting Up the Printer ...

Page 29: ...turn on the printer This initiates a three minute cleaning and set up cycle that prepares the ink system for operation During this cycle the LCD Liquid Crystal Display on the control panel displays INK CHARGE and a count down of the time needed to complete the cycle 2 When the set up cycle is completed the display shows INK CHARGE 0 Setting Up the Printer 1 17 ...

Page 30: ...t charging the ink delivery system can damage the printer 3 Turn off the printer WARNING After you turn off the printer always wait at least five seconds before turning it back on Rapid switching of the power on and off can damage the printer After completing the ink charging cycle you are ready to run the printer s self test 1 18 Setting Up the Printer ...

Page 31: ...ction in Chapter 2 on choosing paper CAUTION Run the self test using paper that is at least as wide as 217 mm 8 27 inches if you have an SQ 850 or 364 mm 14 inches if you have an SQ 2550 Before running the self test make sure that the power cable is connected to a properly grounded electrical outlet and the printer is turned off 1 While holding down the LINE FEED button draft mode or the FORM FEED...

Page 32: ...ing the Printer 2 Press the PAPER SELECT button on the control panel until the message on the LCD shows Friction 3 Move the left edge guide until it rests against the guide mark 1 20 Setting Up the Printer ...

Page 33: ...ust the right edge guide to match the width of your paper Next slide a sheet down between the edge guides until it meets resistance 5 Press the LOAD EJECT button once to automatically load the paper Setting Up the Printer 1 21 ...

Page 34: ...ut or you press the ON LINE button If the self test results are satisfactory and you wish to stop the test press the ON LINE button To resume the self test press the ON LINE button once more Note To clear a paper jam first set the printer off line and use the FORM FEED or LINE FEED button If it is necessary to use the platen knob to clear the jam be sure to turn the printer off first 1 22 Setting ...

Page 35: ...Testing the Printer 8 If paper is still loaded press the LOAD EJECT button to eject it Then reset the printer by pressing both the ON LINE and LOAD EJECT buttons Setting Up the Printer l 23 ...

Page 36: ...arts of typical draft and Letter Quality self tests are shown below Draft mode FONT P I T C H LINE SPACING PAGE TRACTER P A G E C S F B N 1 P A G E C S F B N 2 1 S K I P AUTO TEAR OFF LEFT MARGIN 1 24 Setting Up the Printer ...

Page 37: ...Testing the Printer Letter Quality mode FONT P I T C H L I N E S P A C I N G PAGE TRACTER PAGE CSF BN1 P A G E C S F B N 2 1 SKIP AUTO TEAR OFF LEFT MARGIN Setting Up the Printer 1 25 ...

Page 38: ...e test did not print when you pressed the ON LINE button The print head does not move The ink cartridge may be empty or the cartridge may not be installed Install a new ink cartridge Refer to 6 6 The printer cover is open Close the printer cover and resume printing Turn off the printer and repeat the previous section Make sure you hold down longer on the FORM FEED or LINE FEED button while you tur...

Page 39: ... button to set the printer off line Then press both the ON LINE and LINE FEED buttons to start the print head cleaning cycle Your may not be using the correct type of paper for your printer Make sure the surface of the paper is not too rough or too smooth Although most types of business correspondence quality paper works well with the SQ you should always test the paper you want to use before buyi...

Page 40: ...terface you should be able to use one of the optional interfaces described in Chapter 5 The parallel interface is the printer s default setting If you need to use the built in serial interface be sure to change the SelecType setting followed steps in Chapter 3 The parallel interface Connect the parallel interface cable as described below Before connecting the parallel interface cable make sure tha...

Page 41: ...these clips into place the printed results may be incorrect 1 3 If your cable has a ground wire attach it to the ground connector beneath the interface connector 4 Plug the other end of the cable into the computer If there is a ground wire at the computer end of the cable attach it to the ground connector of the computer Setting Up the Printer 1 29 ...

Page 42: ...d in this section Before connecting the serial interface cable make sure that both the printer and your computer are turned off 1 Plug the connector of the cable securely into the printer 2 Use a screwdriver to secure the cable by tightening the screw on each side of the connector 1 30 Setting Up the Printer ...

Page 43: ...lace these screw locks with the optional ones provided with the printer 3 If your cable has a ground wire attach it to the ground connector beneath the interface connector 4 Plug the other end of the cable into the computer If there is a ground wire at the computer end of the cable attach it to the ground connector of the computer Setting Up the Printer 1 31 ...

Page 44: ...rams provide an installation or setup section that presents a list of printers to choose from Choosing from a menu Because the family of EPSON printers shares a great many commands you can use an application program even if it does not list the SQ 850 or SQ 2550 on its printer selection menu If the SQ 850 or SQ 2550 is not listed select the first printer from the following list The printers are li...

Page 45: ... printer Standard printer Draft printer To use all the features of the SQ 850 or SQ 2550 however it is best to use a program with the SQ 850 or SQ 2550 on its menu If your program does not list your printer contact the software manufacturer to see if an update is available For more information on using software see Chapter 4 Setting Up the Printer 1 33 ...

Page 46: ...Continuous Paper 2 8 Positioning your continuous paper supply 2 8 Loading continuous paper 2 9 Switching between Continuous and Single Sheets 2 16 Switching to single sheets 2 16 Switching back to continuous paper 2 21 Printing on Special Paper 2 23 The paper thickness lever 2 23 Labels 2 25 Envelopes 2 28 Paper Handling 2 l ...

Page 47: ...ction in Chapter 8 for more information Most correspondence quality paper works in the SQ 850 or SQ 2550 without problems It is however a good practice to test the paper in your printer before buying in large quantities Also you should test envelopes preprinted forms and labels To test a supply of paper take a single sheet from the package and load it in the printer Perform the self test described...

Page 48: ... to a maximum width of 257 mm 10 1 inches on the SQ 850 and 364 mm 14 3 inches on the SQ 2550 Loading a sheet To load a single sheet of paper follow these steps 1 Turn on the printer The POWER and PAPER OUT lights come on and the printer beeps three times Paper Handling 2 3 ...

Page 49: ...Using Single Sheets 2 Press the PAPER SELECT button until the LCD panel shows 3 Move the left edge guide until it rests against the guide mark 2 4 Paper Handling ...

Page 50: ...Using single sheets 4 Adjust the right edge guide to match the width of your paper 5 Slide a sheet of paper down between the edge guides until it meets resistance Paper Handling 2 5 ...

Page 51: ...Sheets 6 Press the LOAD EJECT button once to load the paper Note If the platen turns without loading the paper remove the paper and re insert it more firmly then press the LOAD EJECT button again 2 6 Paper Handling ...

Page 52: ...n you print a document more than one page long using single sheet paper the printer stops printing when it reaches the bottom of the paper When this happens either the ON LINE light goes off automatically or it may remain on depending on your application software If the ON LINE light remains on the first thing you should do is press the ON LINE button to take the printer off line Once the ON LINE ...

Page 53: ...e SQ 850 and 406 mm 16 0 inches on the SQ 2550 Positioning your continuous paper supply An important consideration for achieving smooth and accurate paper feeding is the position of your continuous paper supply Three ways of positioning your printer and continuous paper supply are shown below Make sure that you align the paper supply with the paper loaded in the tractor so that the paper feeds smo...

Page 54: ...e loading continuous paper make sure that the printer is turned off 1 Remove the paper guide by tilting it up and lifting it off of the printer I 2 Turn on the printer and press the PAPER SELECT button to changes the display to Tractor Paper Handling 2 9 ...

Page 55: ...and right sprocket lock levers by pushing them back Slide the left sprocket unit until it stops at the ring and lock it in place Next slide the right sprocket unit to roughly match the width of your paper but do not lock it 2 10 Paper Handling ...

Page 56: ...Using Continuous Paper 5 6 Open the sprocket covers Slide the paper support to a point midway between the sprocket units Paper Handling 2 11 ...

Page 57: ...Using Continuous Paper 7 Fit the first four holes in the continuous paper over the pins of the sprocket units 8 Close the sprocket covers 2 12 Paper Handling ...

Page 58: ... into the printer 9 Slide the right sprocket unit to a position where the paper is straight and has no wrinkles and then lock it into place 10 Reattach the paper guide laid down onto the back of the printer Then slide the edge guides together so that they meet at about the middle of the paper s width Paper Handling 2 13 ...

Page 59: ...button to feed paper to the loading position Note If you press the LOAD EJECT button when continuous paper is already loaded the paper is reverse fed to the standby position 12 Press the ON LINE button to set the printer on line 2 14 Paper Handling ...

Page 60: ...loading and short tear off positions If you need to adjust this position you can use the micro adjustment feature See the section on setting the loading position in Chapter 3 Note Before you begin printing make sure you check the page length and skip over perforation settings and readjust the settings if necessary See the sections on page length and skip over perforation in Chapter 3 Paper Handlin...

Page 61: ...easily switch to single sheet printing without removing the continuous paper from the tractor Switching to single sheets To switch from continuous paper to single sheets follow the steps below 1 After printing on the continuous paper press the ON LINE button to set the printer off line 2 16 Paper Handling ...

Page 62: ...ss the FORM FEED button again Do not use the platen knob to feed the paper while the printer is turned on WARNING l Make sure you tear off your printed document before pressing the LOAD EJECT button Reverse feeding several pages at a time may result in a paper jam This is especially true for narrow paper between 102 and 152 mm between 4 and 6 inches l Never feed labels backward through the printer...

Page 63: ...ce Press the PAPER SELECT button to change the display on the LCD to Friction The continuous paper is fed backward automatically to its standby position The paper is still attached to the tractor but is no longer in the paper path 2 18 Paper Handling ...

Page 64: ...t edge guide until it rests against the guide mark Next adjust the right edge guide to match the width of your paper 6 Slide a sheet of paper down between the edge guides until it meets resistance Paper Handling 2 19 ...

Page 65: ...7 Press the LOAD EJECT button once to automatically load the paper 8 Press the ON LINE button to set the printer on line 2 20 Paper Handling ...

Page 66: ...LECT button until the display shows Tractor If a single sheet is loaded it is ejected automatically and continuous paper is fed to the loading position Remove the ejected single sheet from the printer 2 Slide the edge guides together so that they meet at about the middle of the paper s width Note When using continuous paper always make sure that the edge guides are pushed together Paper Handling 2...

Page 67: ...3 Lift the paper guide slightly and lower it onto the back of the printer 4 Press the ON LINE button to set the printer on line 2 22 Paper Handling ...

Page 68: ...ttings keep the printing entirely within the printable areas That is you should not print any closer that 12 7 mm one half inch from either side of the paper for labels or envelopes For information on the printable area for envelopes see page 2 29 The paper thickness lever Your printer has a paper thickness lever that allows you to adjust for thicker than normal paper such as envelopes For normal ...

Page 69: ...Printing on Special Paper 1 Remove the printer cover 2 Set the paper thickness lever position by pulling down as you may need 2 24 Paper Handling ...

Page 70: ...ls choose the type that is mounted on a continuous backing sheet with sprocket holes for use with the tractor Do not use single sheet labels on a shiny backing sheet because they almost always slip a little if fed by friction alone You load labels the same way that you load continuous paper See the section on loading continuous paper in this chapter for more information Paper Handling 2 25 ...

Page 71: ...e off the backing and jam the printer Also never use the tear off function or the LOAD EJECT button to eject labels If a label does become stuck in the printer mechanism refer the problem to your dealer To eject the labels from the printer follow these steps 1 Remove the paper guide 2 26 Paper Handling ...

Page 72: ...ince labels are especially sensitive to temperature and humidity always use them under normal operating conditions 3 Press the ON LINE button to set the printer off line Then press the FORM FEED button to eject the labels forward Remember not to use the LOAD EJECT button to eject labels Paper Handling 2 27 ...

Page 73: ...il plain or bond envelopes using the single sheet loading feature described in the beginning of this chapter Chapter 5 describes using envelopes with the cut sheet feeder When loading an envelope you may have to push down on it slightly while pressing the LOAD EJECT button 2 28 Paper Handling ...

Page 74: ...d envelope press the ON LINE button to set the printer off line Then press the LOAD EJECT button CAUTION When printing on envelopes be sure that your application program settings keep the printing entirely within the printable area as shown below Paper Handling 2 29 ...

Page 75: ... Paper Note If the printed results are faint you can use the paper thickness lever to adjust the distance between the print head and the platen See the section on the paper thickness lever on page 2 23 2 30 Paper Handling ...

Page 76: ...g the settings 3 16 Page Length 3 18 Skip Over Perforation 3 19 Adjusting the Loading Position 3 21 The loading position 3 21 Adjusting the loading position 3 22 Short Tear Off 3 23 What happens in short tear off mode 3 23 Adjusting the tear off position 3 26 Selecting Typestyles 3 28 Character fonts 3 28 Character spacing 3 33 Selecting an International Character Set 3 35 Choosing a Character Tab...

Page 77: ...printer and the buttons let you control all of the main printer settings and paper handling functions The display The display shows the current status of the printer If any of the following states occur the display shows the corresponding message SelecType messages and operation are described later in this chapter PAPER OUT The printer is out of paper I NK END The ink supply is low or the ink cart...

Page 78: ...to accept input data This light flickers while data is received PAPER OUT red INK END red ON LINE green TEAR OFF orange On when the paper out sensor detects that the printer is out of paper On when the ink cartridge is low On when the printer can receive and print data from the computer On when short tear off mode is selected Using the Printer 3 3 ...

Page 79: ...ght is on and the printer can receive and print data from the computer 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 When the printer is off line press this button to feed the paper one line or hold it down to feed the paper continuously When the printer is off line press this button to load or eject the p...

Page 80: ...ng this button displays fonts in the following order Draft Roman S Serif Sans Serif Courier Prestige Script OCR B OCR H Orator Orator S See the section on fonts in this chapter for more information When the printer is in SelecType mode this button is used to change the SelecType settings as a MENU button Using the Printer 3 5 ...

Page 81: ...When the printer is in SelecType mode this button is used to change the SelecType settings as a MENU button When the printer is off line press this button to select the paper handling system The selected system is shown on the display The paper handling system is selected in the following order Select CSF bin 1 or CSF bin 2 only if using the optional cut sheet feeder When the printer is in SelecTy...

Page 82: ...loading position See the short tear off section in this chapter for more information When the printer is in SelecType mode this button is used to change the SelecType settings as a SELECTION button The A button is used to feed the paper slightly forward and the button is used to feed the paper slightly backward This feature is used to adjust the top of form position short tear off position or load...

Page 83: ...the section on SelecType in this chapter for details When the printer is off line press both the ON LINE and LINE FEED buttons at the same time to perform print head cleaning These buttons also used to initiate a one time ink charging routine during printer setup RESET Press both the ON LINE and LOAD EJECT buttons at the same time to initialize the printer This cancels printer settings to defaults...

Page 84: ...k the current settings and operating status of the printer See the section on testing the printer in Chapter 1 for more information Data dump By holding down both the LINE FEED and FORM FEED buttons while you turn on the printer you turn on the data dump mode This feature allows advanced users to find the cause of communication problems between the computer and printer See the section on the data ...

Page 85: ...e printer s default settings without DIP switches Using SelecType To enter SelecType mode press both the ON LINE and FORM FEED buttons at the same time ON LINE FORM FEED Note You can exit the SelecType by pressing these two buttons once more When the printer is in SelecType mode you can use four buttons FONT PITCH PAPER SELECT and TEAR OFF buttons to change the printer settings the MENU items are ...

Page 86: ...ch case the pertinent pitch is not displayed LINE SPACING PAGE Tracror PAGE CSF BN1 PAGE CSF BN2 1 6inch 1 8 inch 24 to 132 LINE 1 S K I P AUTO TEAR OFF LEFT MARGIN 24 to 132 LINE 24 to 132 LINE The line spacing is in 1 6th of an inch units On Off On Off 0 to 45 columns SQ 850 0 to 80 columns SQ 2550 RIGHT MARGIN 1 to 80 columns SQ 850 1 to 136 columns SQ 2550 The column spacing is based on a pitc...

Page 87: ... l l e l S e r i a l 300BPS 600BPS 1200BPS 2400BPS 4800BPS 9600BPS 19200BPS PARITY Bi D Uni D This option is displayed only when the INTERFACE option is set to Serial N o n e E v e n Odd Ignore This option is displayed only when the INTERFACE option is set to Serial AUTO LINE FEED O n O f f D C 1 D C 3 Enable Disable The SQ comes with preset default values which can be printed out using the self t...

Page 88: ...lay in SelecType unless the interface is set to Serial Check your computer manual for the correct baud rate and parity settings Your computer and printer must have the same baud rate and parity in order to communicate properly l AUTO LINE FEED This setting should remain at its default value Off in most cases Most applications send automatic line feeds at the end of every line If all of the lines a...

Page 89: ...bes the procedure for changing the CG TABLE option but the other options can also be changed in the same manner 1 Press the ON LINE and FORM FEED buttons at the same time to enter SelecType so that the display shows FONT xxx xxx is the current selected font 3 14 Using the Printer ...

Page 90: ...ress the FONT button or PITCH button until the dispaly on the LCD changes to CG TABLE Italic 3 Press the PAPER SELECT or TEAR OFF button several times until the right half of display changes to Graphic Using the Printer 3 15 ...

Page 91: ... COUNTRY and CG TABLE Initializing the settings To make your new SelecType settings effective the printer needs to be initialized before printing Your printer has a special control panel feature that allows you to initialize the printer s settings without having to turn off the printer It also allows you to conserve your ink supply because it does not activate the print head cleaning cycle After c...

Page 92: ...cType Settings You can also initialize the printer by using the software command ESC or by turning off the printer See the section on initialization in Chapter 7 for more information Using the Printer 3 17 ...

Page 93: ... 132 lines Be sure that the page length is correctly set for the type of paper you are using If you are using the cut sheet feeder the page length is automatically set and memorized when you run the printer s built in self test However you can use this SelecType feature to override this setting To set the page length using SelecType follow the steps in the Using SelecType section earlier in this c...

Page 94: ...the initial printable line on the next page so that the printer skips over the perforation This feature is very convenient if your application program does not provide top and bottom margins If you adjust your loading position to the proper point you can get half of the margin at the bottom of one page and half at the top of the next page as shown in the following illustration 1 SKIP Off Skip over...

Page 95: ...rgin using SelecType turn on the 1 SKIP option by following the steps in the Using SelecType section earlier in this chapter Note Most application programs take care of top and bottom margins Therefore do not turn on skip over perforation unless your program does not provide these margins 3 20 Using the Printer ...

Page 96: ...er jam or other paper feeding problem Use of the platen knob while the printer is on may affect the loading and short tear off positions If you need to adjust the loading position always use the micro adjustment feature Until this loading position is reset the printer remembers this loading position and uses it as a reference point for feeding the paper The micro adjustment feature moves the paper...

Page 97: ...utton The display shows TOF ADJUST TOF stands for top of form 3 Press the button A to feed the paper forward or the button to feed the paper backward Note The printer beeps when the paper reaches a position that is approximately 8 5 mm from the top edge of the paper You can use this position as a reference point when adjust the printer s loading position 3 22 Using the Printer ...

Page 98: ...omatically feeds back to the loading position See the SelecType section in this chapter for instructions on setting the AUTO TEAR OFF option The other way of operating the short tear off feature is by using the TEAR OFF button on the control panel to feed the perforation of your continuous paper to the tear off edge of the printer After tearing off the paper press the TEAR OFF button again to feed...

Page 99: ... OFF button is described below 1 When you have finished printing press the TEAR OFF button once to feed the perforation of your page forward to the tear off edge of the paper bail 2 Tear off the page using the tear off edge of the paper bail 3 24 Using the Printer ...

Page 100: ...paper does not meet the tear off edge adjust the tear off position of the paper with the micro adjustment feature described on the next page 3 Press the TEAR OFF button again to reverse feed the paper to its loading position Using the Printer 3 25 ...

Page 101: ... meet the tear off edge use the micro adjustment feature The same procedure can be used regardless of whether you set the tear off position using SelecType or with the TEAR OFF button 1 Be sure that the TEAR OFF light is on then press the MICRO FEED button The display shows TEAR OFF ADJUST 3 26 Using the Printer ...

Page 102: ... feature can only be used with the built in tractor feeding system When you press the TEAR OFF button or resume printing after tearing off the sheet the paper automatically feeds backward to the loading position before printing begins Once you use the micro adjustment feature to set the tear off position the printer remembers that position even after it is turned off Using the Printer 3 27 ...

Page 103: ...able on the control panel This section describes how to select a typestyle using the FONT and PITCH buttons on the control panel The settings you select using these buttons do not remain valid once the printer is turned off Also commands from your application program temporarily override these control panel settings Character fonts Your printer has ten built in character fonts To select a font hol...

Page 104: ...back issue of Trader s Times What is the price schedule for quantities over one gross SANS SERIF W e v e j u s t s e e n y o u r e x c e l l e n t a d f o r m i n i a t u r e z e b r a s i n a r e c e n t b a c k i s s u e o f Trader s Times W h a t i s t h e p r i c e s c h e d u l e f o r q u a n t i t i e s o v e r o n e g r o s s Using the Printer 3 29 ...

Page 105: ...ule for quantities over one gross PRESTIGE We ve just seen your excellent ad for miniature zebras in a recent back issue of Trader s Times What is the price schedule for quantities over one gross We ve just seen your excellent ad for miniature zebras in a recent back issue 0f Trader s Times What is the price schedule for quantities over one gross 3 30 Using the Printer ...

Page 106: ...antities over one gross OCR B We ve just seen your excellent ad for miniature zebras in a recent back issue of Trader s Times What is the price schedule for quantities over one gross ORATOR MINIATURE ZEBRAS IN A RECENT BACK ISSUE OF T R A D E R S T I M E S WH A T I S T H E P R I C E S C H E D U L E FOR QUANTITIES OVER ONE GROSS Using the Printer 3 31 ...

Page 107: ...d in Letter Quality LQ mode Letter Quality fonts take a little longer to print but produce fully formed characters for presentation quality documents The use of the OCR A or OCR B font permits printouts to be read by an optical reader also known as a document reader for input into another computer The sample printouts of OCR A and OCR B are useful as a comparison with other font samples However pr...

Page 108: ...an Sans Serif Courier Prestige Script OCR A OCR B Orator Orator S 10 12 15 17 20 10 12 15 17 20 Proportional 10 12 15 17 20 Proportional I0 12 15 17 20 Proportional 10 12 15 17 20 Proportioanl IO 12 15 17 20 Proportional 10 12 17 20 Proportional 10 12 17 20 Proportional 10 12 17 20 Proportional 10 12 17 20 Proporitonal The following printout compares the fixed character spacing settings This is 10...

Page 109: ...or proportional spacing character width varies from one character to the next For example a narrow letter like i receives less space than a wide letter like W The following printout compares 10 cpi a fixed spacing printing with proportional spacing This is 10 cpi printing This is proportional spacing 3 34 Using the Printer ...

Page 110: ...rnational character sets International character set Country ASCII code hex 23 24 40 5B 5C 5D 5E 60 7B 7C 7D 7E 0 U S A 1 France 2 Germany 3 U K 4 Denmark 1 5 Sweden 6 Italy 7 Spain 1 8 J a p a n 9 Norway 10 Denmark 2 11 Spain 2 12 Latin America 13 Korea 64 Legal To select the desired international character set using SelecType set the COUNTRY option by following the steps in the SelecType section...

Page 111: ...atible computer select the EPSON Extended Graphics table when you wish to print the graphics characters as they are displayed on the screen Since the character table setting only affects the upper half of the character table you can still print text if you have selected the EPSON Extended Graphics character table To print the user defined characters that you have defined previously select the down...

Page 112: ...s characters are shown below Italics EPSON Extended Graphics To select the italic character table EPSON Extended Graphics character table or Download character table using SelecType set the CG TABLE option by following the steps in the SelecType section earlier in this chapter Using the Printer 3 37 ...

Page 113: ...mmunication problems between the printer and application programs In data dump mode an exact printout of the codes reaching the printer is produced 1 To enter the data dump mode hold down the FORM FEED and LINE FEED buttons at the same time while you turn on the printer FORM FEED LINE FEED 3 38 Using the Printer ...

Page 114: ...printer prints all the codes sent to the printer in hexadecimal format as shown below 3 To turn off the data dump mode press the ON LINE button to take the printer off line and then turn off the printer The data dump mode can also be cancelled by sending an INIT signal from the computer Using the Printer 3 39 ...

Page 115: ...exadecimal codes on the third line of the printout sample 20 20 54 Each hexadecimal code 20 represents a space while the hexadecimal code 54 represents the letter T Check the third line of the right column and you will find the letter T preceded by two spaces The chart below interprets part of the first line of codes Hex codes Command Function 1B 40 ESC Initialize printer 1B 5200 ESC R0 Select USA...

Page 116: ...lumn reservation numbers 4 14 A simple graphics program 4 15 Using hand calculated data to print graphics 4 16 Individual graphics option commands 4 19 The reassigning command 4 20 User defined Characters 4 21 Designing your characters 4 21 Defining your characters 4 23 Sending information to your printer 4 25 Printing user defined characters 4 27 Copying ROM characters to RAM 4 28 Letter Quality ...

Page 117: ...variety to your documents the SQ 850 and SQ 2550 have five pitches as well as proportional spacing All six can be selected with a software command or by SelecType or panel setting see Chapter 3 For many of the built in fonts you can choose a character spacing of 10 12 15 17 or 20 characters per inch cpi or proportional spacing The printout below compares the five pitches This is 10 cpi printing Th...

Page 118: ...to the basic pitches and proportional spacing the SQ 850 and SQ 2550 offer three other modes that can change the size of your printing These modes are double width double height and condensed Double width and double height The double width mode doubles the width of any size character while the double height mode doubles the height of any size character These modes are useful for emphasizing headin...

Page 119: ...ters also widens or narrows the space between words and letters Because word processors usually create a left margin by printing spaces you may need to change the number of characters on a line to keep the margins correct if you change width Note 15 cpi 17 cpi and 20 cpi can not be condensed Special effects and emphasis The SQ 850 and SQ 2550 have a number of features for those extra effects requi...

Page 120: ...the print head goes over each line twice making the text bolder For even greater boldness emphasized and double strike can be combined The following samples show the different effects you can achieve both alone and in combination This is ROMAN printing This is ROMAN emphasized This is ROMAN double strike This is ROMAN with both Italic printing You can select the italic character table by SelecType...

Page 121: ...Chapter 9 for more information T h i s i s c o n t i n u o u s u n d e r l i n i n g T h i s i s b r o k e n o v e r l I n l n g Superscripts and Subscripts Superscripts and subscripts can be used for printing footnote numbers and mathematical formulas The example below shows underlining superscripts and subscripts combined in a mathematical formula average a1 a2 an n Outline and shadow The outlin...

Page 122: ...SCape codes to your printer refer to Chapter 9 The format of the Master Select code is shown below ASCII code ESC n Decimal 27 33 n Hexadecimal 1B 21 n The variable n is a number that identifies the mode or combination of modes To find the value of n use the table below to add up either the decimal or hexadecimal numbers for the features you want Feature 10 cpi 12 cpi proportional condensed emphas...

Page 123: ...inter ASCII code ESC 1 Decimal 27 33 49 Hexadecimal 1B 21 31 The print quality and font must be set separately either using SelecType or the ESC x and ESC k commands There are two more things to consider when using the Master Select command l Master Select cancels any of the listed features that you do not try to set For example if you have already set a character width other than 10 cpi and you u...

Page 124: ... instructions The quickest and easiest way to print graphics on your printer is to use a commercial graphics program With such programs you usually create an image on your monitor and then give a command to send the image to the printer If you use commercial software that produces graphics all you need to know about dot graphics is how to use the software If on the other hand you wish to do your o...

Page 125: ...e nozzles fire time after time in different patterns to produce letters numbers or symbols Because the dots overlap each other both horizontally and vertically in the Letter Quality mode it is difficult to see individual dots Instead the letters and symbols seem to be made of unbroken lines In order for the dots to overlap vertically the nozzles in the print head are in more than one column but th...

Page 126: ...e with six densities Although this mode uses only one third of the printer s nozzles it produces good quality graphics and allows you to use the many programs written for 8 element graphics Twenty four element graphics The graphics mode that takes full advantage of the printer s print head is 24 element graphics It has five densities but for simplicity this explanation will begin with only one of ...

Page 127: ...his numbering system is shown below To fire any one nozzle you send its number To fire more than one nozzle at the same time add up the numbers of the nozzles and send the sum to the printer With these labels for the nozzles you fire the top nozzle by sending 128 To fire the bottom nozzle you send 1 If you want to fire only the top and bottom nozzles you simply add 128 and 1 then send 129 By addin...

Page 128: ...u Before you can put these numbers in a graphics program however you need to know the format of the graphics command The graphics command The graphics mode command is quite different from the other commands used by the printer For most of the other printer modes such as emphasized and double width one ESCape code turns the mode on and another turns it off For graphics the command is more complicat...

Page 129: ...cent dots cannot be printed in this mode Column reservation numbers The graphics command requires more than one number to specify how many columns to reserve because one line can use thousands of columns but the printer does not use numbers larger than 255 decimal Therefore the graphics mode command uses two numbers for reserving columns To figure nl and n2 divide the total number of columns by 25...

Page 130: ...is just a simple example to show you how the graphics command column reservation numbers and data can be used in a BASIC program Type in and run the following program be especially careful to include both semicolons The program produces the printout you see below it 10 WIDTH LPT1 255 20 LPRINT CHR 27 CHR 32 CHR 30 FOR X 1 TO 120 40 LPRINT CHR 170 50 NEXT X 40 CHR 0 Line 20 selects single density 2...

Page 131: ...e of 24 element graphics is approximately 1 8th of an inch high and since triple density graphics prints 180 dots per inch horizontally a design planned on this figure will be about 1 8th of an inch high and less than 1 4th of an inch wide The actual pattern that the printer prints on the paper is of course made up of dots that overlap each other both vertically and horizontally The reason the pla...

Page 132: ...l be sent to the printer as graphics data to print the design Below is shown the same grid divided into three sections to make the data calculation easier At the bottom of each section of each column is the total of the nozzle numbers for that section This gives you a total of 126 data numbers necessary to print this small figure Software and Graphics 4 17 ...

Page 133: ...5 255 7 255 255 15 255 255 100 DATA 31 255 254 31 255 252 31 255 248 31 255 240 31 255 224 31 255 192 110 DATA 31 255 0 31 252 0 31 240 0 31 224 0 31 128 0 31 240 0 120 DATA 31 255 192 28 255 224 28 127 240 28 15 248 30 0 252 In this program line 20 assigns the graphics option 24 element triple density with code 39 Code 42 sets the number of nozzle columns at 42 Lines 80 140 contain 126 bytes of d...

Page 134: ... LX and EX series printers There are four individual graphics option commands that are very much the same as the ESC command but each one works for only one graphics option All these commands are g element graphics options Note that these commands contain one less variable than the ESC command because they don t need to select a graphics option They are shown below Command Function ESC K Single de...

Page 135: ...RT I graphics option the command in BASIC is LPRINT CHR 27 K CHR 4 This is a quick way to change the aspect ratio of the design that you are printing Changing the graphics option will change the width without changing the height You should however make this change with caution If you change one of the S element graphics options to a 24 element graphics option without changing the program that supp...

Page 136: ...that assists you in creating characters or simply supplies you with sets of characters already created Also some popular commercial software programs take advantage of the printer s user defined character function to enhance printouts These characters are called download characters in some programs The standard characters are stored in the printer s Read Only Memory ROM and the user defined charac...

Page 137: ...ether than those for draft The illustration below shows two grids for designing normal height draft characters and proportional characters The line at the side labelled cap height indicates the top of a standard capital letter and the line labelled baseline indicates the baseline for all letters except those with descenders the bottom parts of such letters as j and y The bottom row is usually left...

Page 138: ...m to print The examples here like the ones in the graphics section use an X to represent each dot In the illustration below you see a draft grid with a simple user defined character planned on it Now you translate the dot pattern you ve created on paper to a numeric format so you can send the information to your printer Every dot has an assigned value Each vertical column which has a maximum of 24...

Page 139: ...acter On the left side of the figure the data numbers are calculated for the middle column The value of each byte is calculated by adding the values of the rows where dots appear The right side of the figure shows the whole character with the three data numbers for each column indicated at the bottom This manual uses decimal numbers because the example programs in this manual are written in BASIC ...

Page 140: ...e character The command your printer uses to define characters is one of the most complex in its repertoire The format of the command is this ESC 0 nl n2 d0 dl d2 data The ESC is simple enough The 0 which is ASCII code 0 not the numeral zero in quotation marks allows for future enhancements At this time it is always ASCII 0 With your printer you can define many characters with a sing command The v...

Page 141: ...r of columns of dots that are printed to make up the character By varying the width of the character itself and the spaces around it you can create proportional width characters that print at draft speed The table below shows the maximum values for these bytes Mode Draft Letter Quality 10 cpi Letter Quality 12 cpi d1 d0 d1 d2 maximum maximum 9 12 29 36 23 30 Proportional I 37 42 The last part of t...

Page 142: ...gn which is contained in the data statements at the end of the program is sent to the printer in the loop between lines 50 and 70 Note When defining Letter Quality or proportional characters in BASIC put a WIDTH statement in your program to prevent carriage return and line feed codes from interfering with your definitions Printing user defined characters If you entered the example program above yo...

Page 143: ...n character sets at any time even in the middle of a line To try it place semicolons at the end of lines 80 and 100 in the program above Copying ROM characters to RAM After running the program above if you select the user defined character set and try to print other characters the only one that will print is the arrow Since no other characters are in the printer s user defined RAM area nothing els...

Page 144: ...rint with the user defined set as your normal character set You ll never need to switch back and forth between sets Letter Quality characters If you select Letter Quality printing with the ESC xl command you can design user defined characters using up to 29 columns of the Letter Quality Proportional grid The dot columns are spaced closer together horizontally than draft style dot columns the horiz...

Page 145: ...uality mode is selected super subscript characters are created when either superscript or subscript is selected These super subscript characters can be used either as superscripts or as subscripts The characters are exactly the same it is only their placement that differs The difference between super subscript characters and regular characters is that they are smaller They are a maximum of 16 dots...

Page 146: ...maller they do not require as much information when you define them When you define super subscript characters you need only two bytes of data for each vertical row of dots Design grids for these characters are shown in the figure below Software and Graphics 4 31 ...

Page 147: ...ed Only one type of character definition may be stored in RAM at any time If you define characters in one mode then switch to another mode and select the user defined character set the command will not be effective and the character in ROM will printed The user defined character definitions however remain unaffected If you switch back to the mode in which they were defined you can then select and ...

Page 148: ...13 Switching between the cut sheet feeder and continuous paper 5 15 Single sheet insertion 5 17 Removing the cut sheet feeder 5 19 The Pull Tractor 5 21 Installation 5 21 Paper handling 5 24 Removing the pull tractor 5 29 Interface Boards 5 31 Choosing an interface 5 31 Compatible interfaces 5 31 Installing the interface board 5 32 The 8143 new serial interface board 5 39 Using Printer Options 5 l...

Page 149: ...t sheet feeder bin at one time and a new sheet is loaded automatically whenever required Installation First assemble the cut sheet feeder by following the instructions provided in its accompanying manual The illustrations used in the following steps are of the C806111 double bin cut sheet feeder However all cut sheet feeders available for use with the SQ 850 and SQ 2550 install and operate the sam...

Page 150: ...e and continuous paper load continuous paper as described in Chapter 2 2 Hold the assembled cut sheet feeder in both hands and fit its notches over the pins of the printer Then lower the cut sheet feeder unit onto the printer 3 Close the printer cover Using Printer Options 5 3 ...

Page 151: ... same way The procedure for loading CSF bin 1 the front bin is used in the following example The C806081 and C806101 have only one bin 1 Slide the left paper guide until it stops at the ring shown in the figure below 2 Slide the right paper guide to roughly match the width of your paper I 5 4 Using Printer Options ...

Page 152: ...the selected bin forward until the paper guides retract and lock open to allow for paper loading Then pull up the two small levers on the paper guides 4 Take a stack of paper and fan it Next tap the paper on a flat surface to even up the stack Using Printer Options 5 5 ...

Page 153: ...The Cut Sheet Feeder 5 6 Using Printer Options ...

Page 154: ...E button to set the printer off line 9 Press the PAPER SELECT button to change the display on the LCD to CSF bin 1 Press the PAPER SELECT button again if you wish to select CSF bin 2 If continuous paper is loaded the paper is reverse fed Using Printer Options 5 7 ...

Page 155: ...counted by the printer becomes the default page length setting This setting however can be overridden by SelecType or by software commands The procedure for running the self test is the same as when the cut sheet feeder mode is off 1 Be sure a stack of paper is inserted in the selected bin of the cut sheet feeder and that the printer is turned off 2 While holding down the LINE FEED button draft mo...

Page 156: ...for the first sheet of the draft mode self test The printout of the second sheet is similar to the original self test described in Chapter 1 3 The self test continues until the paper runs out or until you press the ON LINE button To stop the test press the ON LINE button ...

Page 157: ...the printer Loading envelopes Envelopes are loaded in much the same way as regular paper CAUTION When printing envelopes using the C806091 or C806111 cut sheet feeder make sure to load them into bin 1 never into bin 2 1 Be sure that CSF bin 1 is selected by paper select then slide the left paper guide until it stops at the ring in the figure below S 10 Using Printer Options ...

Page 158: ...Feeder 2 Slide the right paper guide to match the width envelopes of your 3 Pull the left and right paper levers forward and push down on the two small levers until they lock into position Using Printer Options 5 11 ...

Page 159: ...ce to even it up Insert the envelopes into the front bin You can stack up to 25 standard envelopes into the bin See the printer specifications section for more information 5 Press the LOAD EJECT button to load an envelope Then press the ON LINE button to start printing 5 12 Using Printer Options ...

Page 160: ...he cut sheet feeder mode the PAPER OUT light goes off while the next sheet of paper is being fed but the printer remains on line When the selected paper bin is empty the printer automatically goes off line and the PAPER OUT light goes on To resume printing stack more paper then press the ON LINE button Note If you turn off your printer during a paper out or paper jam condition any data remaining i...

Page 161: ...ss this button to load the paper However note that paper loads automatically when you print When there is paper in the printer press this button to eject the sheet without loading the next sheet Software operation The following commands cause the printer to eject the sheet in the printer without loading the next sheet FF Form Feed ESC EM R Ejects a sheet in the cut sheet feeder mode Note The ESC E...

Page 162: ...f an inch Software does not come into effect while the printer is off line Be sure that the printer is on line if you wish to control the cut sheet feeder using software commands Switching between the cut sheet feeder and continuous paper The SQ 850 and SQ 2550 allow you to easily switch between the cut sheet feeder and the tractor feeding system without having to remove either the feeder or the c...

Page 163: ... cut sheet feeder operation to continuous paper press the PAPER SELECT button until the display shows Tractor position Continuous paper is fed to its loading 3 Press the ON LINE button to set the printer on line 5 16 Using Printer Options ...

Page 164: ... cut sheet feeder s front cover To do this first open the printer cover and then raise the cut sheet feeder s cover Clear the jammed paper and then close the cover Do not operate the printer with this cover open Single sheet insertion Your cut sheet feeder also has a single sheet loading feature This feature is especially useful because it allows you to switch to a different type or size of paper ...

Page 165: ... insert the sheet into the paper path until you feed resistance 2 Press the LOAD EJECT button to load the sheet If your document is more than one page the next sheet will be automatically loaded from the cut sheet feeder s paper supply 3 Press the ON LINE button put the printer on line 5 18 Using Printer Options ...

Page 166: ...e cut sheet feeder 1 Remove the paper stacked in the cut sheet feeder 2 Tilt the back section of the cut sheet feeder forward to release its notches from the printer s pins and lift off the cut sheet feeder Using Printer Options 5 19 ...

Page 167: ...The Cut Sheet Feeder After removing the cut sheet feeder be sure to store the cut sheet feeder in its original box and packing materials 5 20 Using Printer Options ...

Page 168: ...is especially useful for printing continuous preprinted forms and labels Use of the pull tractor is also recommended for obtaining the highest quality graphics For best results use the pull tractor along with the built in push tractor as described in this section Installation 1 Remove the paper guide and open the printer cover Using Printer Options 5 21 ...

Page 169: ...ll Tractor 2 Set continuous paper in the built in push tractor as described in steps 3 to 9 in the section on loading continuous paper in Chapter 2 3 Pull the paper bail toward you 5 22 Using Printer Options ...

Page 170: ...r 4 Holding the pull tractor with the gears to the right fit the rear notches onto the rear mounting pins 5 Tilt the tractor unit toward you until the front latches click over the front pins Using Printer Options 5 23 ...

Page 171: ...t the loading position be sure to use the micro adjustment feature described in Chapter 3 Paper handling Before loading continuous paper with the pull tractor make sure that the pull tractor is installed and then follow these steps CAUTION The short tear off function cannot be used Before you start printing with the pull tractor make sure that the AUTO TEAR OFF 5 24 Using Printer Options ...

Page 172: ...e control panel shows Tractor and the paper is loaded in the push tractor 2 Take the printer to off line Then press the FORM FEED button to advance the paper one page so that you can fit the paper onto the pull tractor Using Printer Options 5 25 ...

Page 173: ...cket lock levers and position the sprocket units to match the width of the paper Then adjust the paper support so that they are spaced evenly between the sprocket units 4 Open the pull tractor s sprocket covers 5 26 Using Printer Options ...

Page 174: ...r 5 Fit the holes in the paper over the tractor pins on sprocket units and close the sprocket covers the 6 See that the paper is not crooked or wrinkled and lock the sprocket units in place Using Printer Options 5 27 ...

Page 175: ... the pull tractor knob and turn it slightly to remove any slack from the paper 8 Attach the paper separator designed for use with the pull tractor unit 9 Press the ON LINE button to set the printer on line 5 28 Using Printer Options ...

Page 176: ...The Pull Tractor Removing the pull tractor 1 Be sure the printer is turned off then remove the paper separator 2 Open the printer cover and pull the paper bail toward you Using Printer Options 5 29 ...

Page 177: ...ractor Then tilt the tractor back and lift it off the printer 4 Push the paper bail back and close the printer cover After removing the pull tractor be sure to store the pull tractor in its original packing materials and box 5 30 Using Printer Options ...

Page 178: ...ur computer is no equipped with a parallel interface or if you need an interface that comforms to the Current Loop standard instead of the RS 232C In addition the available serial interface boards provide user selectable baud rates and data word structures These interfaces also offer some combination of the following features X on X off data communication protocol loopback self test modes and data...

Page 179: ...uld correspond to one of the numbers listed in the table above Make sure you set the DIP switch and jumper settings on the interface board according to the instructions in your computer manual and your interface board manual before installing the board Installing the interface board The optional interface boards available for your printer are easy to install and the only tool needed is a cross hea...

Page 180: ...present inside the printer when the power is on NEVER attempt to install or remove an interface board without first turning off the printer and unplugging it from the electrical outlet Also try not to touch contacts on the circuit board of the printer because many of the components can be destroyed by the static electricity that may build up in your body Using Printer Options 5 33 ...

Page 181: ...Interface Boards 5 34 Using Printer Options ...

Page 182: ...fer with respect to how the frame ground FG wire is attached This slight difference does not affect the operation of the interface in any way 1 If the FG wire is not attached to the interface board attach the plug end of the wire onto the FG pin located on the board Using Printer Options 5 35 ...

Page 183: ...l interface connector by pressing in on the plastic clips located at the back of the plate 3 Position the interface board inside the printer as shown below making sure the board does not catch on any of the wires inside the compartment 5 36 Using Printer Options ...

Page 184: ... Carefully align the pins on the optional interface board with the mating connector on the main board then plug the board into the connector 5 Secure the board with three of the screws provided Using Printer Options 5 37 ...

Page 185: ... wire retaining screw to attach the round end of the FG frame ground wire to the ground connector beneath the interface connector 7 Replace the interface board cover and secure it with the retaining screw 5 38 Using Printer Options ...

Page 186: ...r you to alter the communications protocol of the printer or the computer so that they can communicate properly In most cases you should use the information in your optional interface manual or your computer s manual to match the computer with the interface If you are using the 8143 optional board with the SQ printer make sure that you read through the section below on baud rate selection You may ...

Page 187: ...put buffer drops to 256 bytes the printer outputs an X off code or sets the DTR flag to 1 MARK indicating that it cannot receive data Once the vacant area for data in the buffer recovers to 512 bytes the printer outputs an X on code or set the DTR flag to 0 SPACE indicating that it is again ready to receive data Error handling When a parity error is detected your printer prints an asterisk All oth...

Page 188: ...Chapter 6 Maintenance Cleaning the Printer 6 2 Cleaning the Print Head 6 4 Replacing the Ink Cartridge 6 6 Transporting the Printer 6 9 Maintenance 6 3 ...

Page 189: ...nter operating at its best you should clean it thoroughly several times a year 1 Turn off the printer and remove the cut sheet feeder or pull tractor if installed 2 Use a soft brush to carefully clean away all dust and dirt 6 2 Maintenance ...

Page 190: ...inside the printer WARNING l Never use alcohols or thinners to clean the printer these chemicals can damage the components as well as the case l Be careful not to get water on the printer mechanism or electronic components l Do not use a hard or abrasive brush l Do not spray the inside of the printer with lubricants unsuitable oils can damage the mechanism Contact your EPSON dealer if you think lu...

Page 191: ...roper operation you should use the ON LINE and LINE FEED buttons if printing becomes inconsistent The cleaning cycle ensures that all the nozzles are delivering ink properly To run the cleaning cycle follow these steps 1 Turn on the printer and press the ON LINE button to take the printer off line 6 4 Maintenance ...

Page 192: ...ON LINE and LINE FEED buttons to start the print head cleaning cycle The display shows CLEANING for about 30 seconds When the cleaning cycle is finished press the ON LINE button to place the printer on line and resume printing Maintenance 6 5 ...

Page 193: ...ridge before you can print again Note The INK END light is also lit whenever the ink cartridge is removed Always replace the old ink cartridge with the exclusive SO20002 EPSON ink cartridge Otherwise the printer will not work WARNING Skin and Eye Irritant This ink contains potassium hydroxide and may cause irritation on contact with skin and eyes Please take the following precautions l Avoid conta...

Page 194: ... three grooves Then carefully remove the used ink cartridge from the printer Note On one end of the cartridge is an ink indicator lever that registers whether the cartridge is full or empty When replacing an empty cartridge with a new one you can check this lever to avoid confusion After replacing the cartridge dispose of the empty cartridge immediately since it cannot be refilled Maintenance 6 7 ...

Page 195: ...ith the foil seal into the ink compartment as shown below Gently push the cartridge all the way into the compartment 3 Close the cartridge compartment cover as shown below and press the ON LINE button to place the printer on line and resume printing 6 8 Maintenance ...

Page 196: ... until the display shows Tractor and then follow the steps below 1 Take the printer off line before turning it off so that the ink nozzles are properly capped 2 Remove the optional cut sheet feeder or pull tractor if installed See Chapter 5 for option removal instructions 3 Unplug the power cable from the electrical outlet then disconnect the interface cable and power cable from the printer Next r...

Page 197: ...tment cover and remove the ink cartridge by pulling it straight out of the printer Place the cartridge in a plastic bag and store separately Then close the ink cartridge compartment cover 5 Insert the notice sheet by rotating the platen knob 6 10 Maintenance ...

Page 198: ...paper bail open then insert the white packing material between the paper bail and platen as shown below 7 Reattach the printer cover Then remove the platen knob 8 Pack the printer in its original foam packing supports and box Maintenance 6 11 ...

Page 199: ...Chapter 7 Troubleshooting Problems and Solutions 7 2 Power Supply 7 3 Printing 7 4 Paper Handling 7 13 Options 7 21 Troubleshooting 7 1 ...

Page 200: ... Refer to 7 4 l The print is faint or uneven Refer to 7 6 l The printout is not what you expected Refer to 7 7 l The position of the printout is not what you expected Refer to 7 10 Paper handling l Single sheets do not feed properly Refer to 7 13 l Continuous paper does not feed properly Refer to 7 16 Options l Using the cut sheet feeder the paper does not feed preperly Refer to 7 21 l Using the p...

Page 201: ...the power switch The problem may lie with the electrical outlet Make sure that the electrical outlet is not controlled by an outside source such as a wall switch Refer to l 16 Power is not being supplied to the electrical outlet Connect another electrical device to the outlet to check whether the outlet is operating properly The voltage may not be correct for your printer Make sure that the voltag...

Page 202: ... cable may not be plugged in securely Check both ends of the cable between the printer and the computer If you are using a parallel interface secure the connector using the wire retaining clips You may not be using the correct interface cable Make sure your interface cable meets the specifications for the printer and the computer Refer to l 29 The printer may be off line and cannot receive data Ch...

Page 203: ...e left until the PAPER OUT light goes out The ink cartridge may be empty or the cartridge may not be installed Install a new ink cartridge Refer to 6 6 The printer cover is open Close the printer cover and resume printing This indicates an error in printer operation Turn off the printer check for paper jamming or other problems then turn the printer back on If the printer still does not print corr...

Page 204: ...dots after cleaning the print head several times the print head may be damaged The gap between the print head and the platen may not be correct Adjust the gap between the platen and print head using the paper thickness lever Refer to 2 23 You may not be using the correct type of paper for your printer Make sure the surface of the paper is not too rough or too smooth Although most types of business...

Page 205: ... may not be communicating correctly Make sure that you are using the correct interface cable and that the communication protocol is correct See your computer s manual for more information You can also use your printer s data dump mode to check the data being sent from the computer In data dump mode an extra printout of the codes reaching the pritner is produced The wrong character table may be sel...

Page 206: ...ter table using ESC t 0 If settings cannot be performed using control codes set the CG TABLE option of SelecType to Italic Refer to 3 14 The wrong international character set is selected If your application program is capable of sending control codes specify the desired international character set using ESC R n If settings cannot be performed using control codes set the COUNTRY option of SelecType...

Page 207: ...ess both the ON LINE and LOAD EJECT buttons before trying to print New default settings do not take effect unless you initialize the printer by pressing the buttons or by turning the printer off and on Refer to 3 16 The condensed mode may be set If your application program is capable of sending control codes you can cancel the condensed mode by sending the DC2 code to the printer Refer to 9 27 Tro...

Page 208: ...of each line of text Check the AUTO LINE FEED setting in SelecType and set it to on Refer to 3 11 Two line feed signals are probably being sent Check the AUTO LINE FEED setting in SelecType and sent it to off Refer to 3 11 Your interface cable may not be configured correctly Disable the AUTO c c FEED XT signal of your interface The loading position may be set up incorrctly Use micro adjustment to ...

Page 209: ...lay If your application program is capable of sending control codes use the line spacing commands listed in Chapter 9 The Command Summary The margin settings may not be set correctly Use your application program settings to change the margins If your program allow it you can also set the left and right margins using the ESC I n and ESC Q n commands Refer to 9 20 If you are using BASIC enter either...

Page 210: ...high or too low Use the micro adjustment feature to reset the loading position so that the perforation is centered within the skip area Your application program may be setting the top and bottom margins If this is the case use SelecType to turn off skip over perforation feature Slight misalignment may occur during bidirectional printing When precise printing of vertical lines in necessary the unid...

Page 211: ...ot move and paper was not fed You may be tring to feed paper using one of the control panel buttons while the printer is on line ON LINE light is on Press the ON LINE button once to set the printer off line then feed the paper After feeding the paper press the ON LINE button again to set the printer on line Refer to 3 4 The paper may be set too far to the right If this is the case the paper end de...

Page 212: ...fer to 2 5 The paper may not be firmly inserted into the paper path When feeding thicker than normal paper push down lightly on the paper while you press the LOAD EJECT button Paper select may not be set to Friction Make sure that the display on the control panel shows Friction If not set the pritner off line and press the PAPER SELECT button until the Friction is displayed on the panel The dimens...

Page 213: ...ts use the paper guide in its upright position Refer to 2 18 The left and right edge guides may be placed too far apart Adjust the edge guides to match the width of your paper You may be trying to eject the paper using the FORM FEED button The paper may not be fully ejected if you use the FORM FEED button Always press the LOAD EJECT button to eject the paper Troubleshooting 7 15 ...

Page 214: ...rectly in the push tractor Set the paper again to the tractor The paper guide may be in the upright position When using continuous paper make sure that the paper guide is lowered so that it can act as a paper separator Refer to 2 13 The paper may be caught on the edge guides When using continuous paper make sure that the paper guide is closed and the edge guides are positioned at the center of the...

Page 215: ... by pressing the sprocket lock levers forward Refer to 2 13 Something may be obstructing your paper supply Make sure that the paper can feed smoothly into the printer Refer to 2 8 The position of your paper supply may be preventing it from feeding straight into the printer Position the stack of incoming new paper and outgoing printed paper so that the paper feeds straight Refer to 2 8 The supply o...

Page 216: ... If this happens press the LOAD EJECT button once more to reload the paper Refer to 2 14 The skip over perforation may be set with SelecType Enter SelecType and turn off the skip over perforation feature Refer to 3 19 The page length for continuous paper may not be set correctly Change the page length with your software program You can also use the ESC C n or ESC C 0 n command to specify the page ...

Page 217: ...d forms it is recommended that you use the optional pull tractor The short tear off function may be selected When you resume printing the paper feeds backward to its loading position If you do not need this function use SelecType to turn it off Refer to 3 23 The AUTO TEAR OFF option may not be on Check the AUTO TEAR OFF setting in SelecType Make sure it is on Refer to 3 11 All of the data in the b...

Page 218: ...rly continued The LOAD EJECT button is pressed to eject the paper but the paper does not fully eject or it jams 7 20 Troubleshooting You may have tried to back feed too many pages Before ejecting the paper always remove the last printed page Refer to 2 17 ...

Page 219: ...e command is sent from cut sheet feeder Use the paper select the computer the button to select the cut sheet feeder CSF platen rotates but bin 1 or CSF bin 2 If you are using a paper does not feed double bin cut sheet feeder make sure The PAPER OUT light that the correct bin number displays on is on the display panel Refer to 5 7 You may be pressing the LOAD EJECT button while the printer is on li...

Page 220: ...s bin The paper set levers of the cut sheet feeder may not be pushed back After loading a stack of paper in the cut sheet feeder make sure to push the paper set levers back Refer to 5 6 The two small levers on the paper guides may not be set correctly When printing envelopes push down on the two small levers until they lock into position The left and right paper guides may be placed too close toge...

Page 221: ...ure to fan it sufficiently and align the edges of the stack Refer to 5 5 The paper feed is crooked The paper may be old or creased Discard it and load new clean sheets of paper You may not be using the proper size paper Make sure to use paper sizes that are within the range specified in Chapter 8 Refer to 8 16 You tried to The single sheet may have been inserted manually insert a in the wrong plac...

Page 222: ...omething may be obstructing your paper supply Make sure that the paper can feed smoothly into the printer Refer to 2 8 The supply of paper may be too far from the printer Position the paper supply so that it is less than a meter away Refer to 2 8 The pull tractor and push tractor sprocket units may not be aligned Align both tractors and resume printing The paper may be slack Adjust the position of...

Page 223: ... SelecType Refer to 3 10 The page length for one page of the continuous paper may be set incorrectly Set the page length correctly by using the Selectype You can also use the ESC C n or ESC C 0 n command to specify the page length The loading position of the paper may be too high or too low Use the micro adjustment feature to reset the loading position so that the perforation is centered within th...

Page 224: ...k the specifications to make sure that you can use the interface with this printer The DIP switches or jumpers on the interface board may be set wrong See the interface manual for the correct settings Before changing the settings however make sure the printer is turned off and the power cable is unplugged The interface may not be configured correctly to operate with the computer See your computer ...

Page 225: ...r still does not operate properly after checking the above points run a self test of the interface to make sure that there are no on board defects If any abnormality is found contact your dealer Troubleshooting 7 27 ...

Page 226: ...rinting 8 2 Paper 8 3 Mechanical 8 6 Electrical 8 8 Environment 8 8 Interface Specifications 8 10 Parallel interface 8 10 Serial interface 8 13 Options Specifications 8 15 Cut sheet feeders 8 15 Initialization 8 18 Default settings 8 19 Technical Specifications 8 1 ...

Page 227: ...e through SelecType or software command Line spacing l 6 inch l 8 inch or programmable in increments of 1 60th 1 18Oth or 1 360th of an inch Printable columns See table below Character size IO cpi IO cpi double width 10 cpi condensed 12cpi 12 cpi double width 12 cpi condensed 15 cpi 15 cpi double width Proportional Maximum printed characters W 850 SQ 2550 80 136 40 68 137 233 96 163 48 81 160 272 ...

Page 228: ...Proportional EPSON Orator 10 12 17 20 Proportional EPSON Orator S 10 12 17 20 Proportional Character tables Paper Paper feed methods Paper width Single sheets Continuous 96 standard ASCII characters 15 international character sets EPSON Extended Graphics characters Friction Built in push feed tractor Pull tractor optional Single bin cut sheet feeder optional Double bin cut sheet feeder optional SQ...

Page 229: ... x 92 mm 6 5 inches x 3 625 inches No 10 241 x 105 mm 9 5 inches x 4 125 inches 63 5 x 23 8 mm 2 5 x 0 94 inches 101 6 x 23 8 mm 4 0 x 0 94 inches 101 6 x 36 5 mm 4 0 x 1 44 inches 94 to 364 mm 3 7 to 14 3 inches 8 5 mm 0 33 or more 25 mm 0 98 or more 3 mm 0 12 or more 8 4 Technical Specifications ...

Page 230: ... 0 to 15 0 13 mm 0 51 or more paper width 254 mm 10 paper width 13 mm 0 511 or more 21 mm 0 82 or more 406 mm 16 paper width 279 mm 11 paper width 31 mm 1 22 or more 46 mm 1 81 or more Envelope Paper feed speed Approximately 62 ms line at l 6 inch line spacing 4 0 ips continuous Technical Specifications 8 5 ...

Page 231: ...Mechanical Ink Cartridge Print capacity depending on number of cleaning operations Draft 6 million characters Letter Quality 3 million characters Color and type Black ink exclusive to the SQ 850 2550 SO20002 Ink capacity 105 to 115 cc Ink life 2 years from production date Storage temperature 30 to 40 C Storage 30 to 65 C Transit within 120 hours at 65 C within a month at 40 C 8 6 Technical Specifi...

Page 232: ... with soap and water after handling the cartridge If irritation occurs contact a physician l Do not dismantle the cartridge l Keep out of reach of children Reliability MCBF For all components excluding print head 5 million lines MTBF SQ 850 4000 power on hours at 25 duty SQ 2550 6000 power on hours at 25 duty Print head life 2000 million dots nozzle External Dimensions SQ 850 SQ 2550 Height 177 mm...

Page 233: ...g 50 0 5 Hz 60 0 5 Hz 10 M ohms between AC power line and chassis 120 V model can withstand 1 25 kV rms applied for one minute 220 240 V model can withstand 3 75 kV rms applied for one minute Operation Storage Operation Storage 8 8 Technical Specifications 5 C to 35 C 30 C to 40 C 30 C to 65 C with shipment container within 120 hours at 65 C within a month at 40 C 10 to 80 without condensation 5 t...

Page 234: ...Shock Operation Up to 1 G within 1 ms Storage Up to 2 G within 1 ms Vibration Operation Up to 0 15 G at 10 to 55 Hz Storage Up to 0 50 G at 10 to 55 Hz Technical Specifications 8 9 ...

Page 235: ...se signals represent information of the 1st to 8th bits of parallel data respectively Each signal is at HIGH level when data is logical 1 and LOW when it is logical 0 1 2 3 4 5 6 7 8 9 10 11 28 ACKNLG OUT About a 12 microsecond pulse LOW indicates that data has been received and that the printer is ready to accept more data 29 BUSY OUT A HIGH signal indicates that the printer cannot receive data T...

Page 236: ...t the receiving terminal 32 ERROR OUT This level becomes LOW when the printer is 1 in paper out state 2 off line 3 in error state 33 34 35 GND NC Same as for Pins 19 30 Unused OUT Pulled up to 5V through 3 3K ohm resistance 36 SLCT IN IN The DCl DCS code is valid only when this signal is HIGH The same effect can be achieved by setting SelecType Technical Specifications 8 11 ...

Page 237: ...onnection on the return side All interface conditions are based on TTL level Both the rise and the fall times of each signal must be less than 0 2 microseconds Data transfer must be carried out by observing the ACKNLG or BUSY signal Data transfer to this printer can be carried out only after receipt of the ACKNLG signal or when the level of the BUSY signal is LOW Interface timing The figure below ...

Page 238: ...ow Pulsed Enabled Recv d ea char High DC3 High High Low Pulsed Disabled Recv d ea char High Low DCl DC3 Low High Not Disabled no effect no effect generated While printing is disabled data characters are received and acknowledged so that the printer can look for another DC1 character which allows it to resume printing Enable only when the SelecType DCl DC3 setting is On Serial interface The built i...

Page 239: ...f bytes in the input buffer rises to 512 Error handling A character is printed if a parity error is detected All other errors are ignored Connector D SUB 25 pin connector In the table below the direction of signals is given relative to the printer Pin number 2 20 Signal TXD DIR Signal Description direction out Transmits data for X on X off out Whether or not the printer is ready to receive data 3 ...

Page 240: ...n mounting on the printer Bin capacity bin 1 Single sheet bin 2 Single sheet Envelope Up to 150 sheets of 82 g m 2 Up to 185 sheets of 64 g m 2 Total thickness should not exceed 15 mm Up to 25 plain and bond type Up to 30 airmail Up to 150 sheets of 82 g m 2 Up to 185 sheets of 64 g m 2 Total thickness should not exceed 15 mm Envelopes can only be used in bin 1 Stacker capacity Single sheet Up to ...

Page 241: ...ith envelopes Paper Single sheet Envelope bin 1 and bin 2 bin 1 Width C806081 182mmto216mm 166 to 241 mm C806091 7 17 to 8 50 6 54 to 9 49 C806101 182 mm to 364 mm 166 to 241 mm C806111 7 17 to 14 33 6 54 to 9 49 Length 210 mm to 305 mm 92mmto104mm 8 27 to 12 00 3 62 to 4 09 Thickness 0 07 mm to 0 1 mm 0 25 mm to 0 5 mm 0 0028 to 0 0039 0 0098 to 0 0195 Weight 64 g m2 to 82 g m2 45 g m2 to 91 g m2...

Page 242: ...Printable area Storage condition T e m p e r a t u r e 2 Humidity 40 to 60 Technical Specifications 8 17 ...

Page 243: ...e parallel interface pin 31 goes LOW l When both the ON LINE and LOAD EJECT button is pressed at the same time Software initialization Software sends the ESC initialize the printer command These four kinds of initialization have slightly different effects In particular ESC does not initialize the printer mechanism clear the input data buffer or clear the user defined character set 8 18 Technical S...

Page 244: ...efined characters Graphic mode assignment Reset to Current paper position SelecType setting SelecType setting Cleared Every eight characters Channel 0 SelecType setting Left justification SelecType setting Cancelled Hardware Cleared Software Deselected only ESC K ESC 0 C L ESC 1 ESC Y ESC 2 ESC Z ESC 3 In addition when the printer is initialized by turning on its power using an INIT signal or rese...

Page 245: ...ds Arranged by Topic 9 8 Printer Operation 9 8 MSB Control 9 11 Data Control 9 12 Vertical Motion 9 13 Horizontal Motion 9 19 Overall Printing Style 9 23 Print Size and Character Width 9 25 Print Enhancement 9 29 Word Processing 9 35 Character Tables 9 36 User defined Characters 9 38 Graphics 9 40 Command Summary 9 l ...

Page 246: ...his chapter lists and describes each command separately the commands are divided into the following subjects Printer operation Print enhancement Data control Word processing Vertical motion Character tables Horizontal motion User defined characters Overall printing style Graphics Print size and character width Each command has a format section and a comments section The format section gives the AS...

Page 247: ... The simplest type of command consists of sending a single character to the printer For instance to print in condensed mode you send the code 15 The code format is ASCII code SI Decimal 15 H e x a d e c i m a l O F More complex commands consist of two or more character codes For example to print in proportional mode the code format is ASCII code ESC p n Decimal 27 112 n Hexadecimal 1B 70 n In this...

Page 248: ...Control Key column indicates that you press the control key at the same time you press the key for the letter or symbol in that column For example you press the control key and A at the same time to send the value 1 Note Many programs use the control keys for other purposes Also some programs do not use all of these keys Dec Hex 0 00 1 01 2 02 3 03 4 04 5 05 6 06 7 07 8 08 9 09 10 OA 11 OB 12 OC 1...

Page 249: ...5 23 36 24 37 25 38 26 Beeper Backspace Tab Horizontally Line Feed Tab Vertically Form Feed Carriage Return Select Double width Mode one line Select Condensed Mode Select Printer Cancel Condensed Mode Deselect Printer Cancel Double width Mode one line Cancel Line Delete Character Select Double width Mode one line Select Condensed Mode Cut Sheet Feeder Control Set Intercharacter Space Master Select...

Page 250: ...ct l 6 inch Line Spacing Set n 180 inch Line Spacing Select Italic Mode Cancel Italic Mode Enable Printable Characters Enable Upper Control Codes Copy ROM into RAM Select Unidirectional Mode one line Set MSB to 0 Set MSB to 1 Reassign Graphics Mode Initialize Printer Set n GO inch Line Spacing Set Vertical Tabs Set Page Length in Lines Set Page Length in Inches Set Horizontal Tabs Select Emphasize...

Page 251: ...ht Margin 9 20 Select an International Character Set 9 37 Select Superscript Mode 9 30 Select Subscript Mode 9 31 Cancel Superscript Subscript Mode 9 31 Turn Unidirectional Mode On Off 9 10 Turn Double width Mode On Off 9 28 Select High speed Double density Graphics Mode 9 41 Select Quadruple density Graphics Mode 9 41 Set Relative Print Position 9 21 Select Justification 9 35 Set Vertical Tabs in...

Page 252: ... Comments Resets the printer mode and clears the current print line preceding the command See initialization in Chapter 8 DC1 Format S e l e c t P r i n t e r ASCII code DC1 Decimal 17 Hexadecimal 11 Comments Returns the printer to the selected state if it has been deselected by the printer deselect code DC3 Does not select the printer if it has been switched off line by pressing the ON LINE butto...

Page 253: ...Delete Character ASCII code DEL Decimal 127 Hexadecimal 7F Comments Removes the last text character on the print line but does not affect control codes ESC Select Unidirectional Mode one line Format ASCII code ESC Decimal 27 60 Hexadecimal 1B 3C Comments Printing is normally bidirectional This command selects unidirectional printing for one line only It is cancelled by a carriage return The print ...

Page 254: ... setting can also be performed by SelecType ESC EM Cut Sheet Feeder Control Format ASCII code ESC EM n Decimal 27 25 n H e x a d e c i m a l 1 B 1 9 n Comments The following values can be used for n 1 Loads sheet from bin 1 2 Loads sheet from bin 2 R Ejects a sheet No paper is loaded The command should not be used unless the cut sheet feeder is installed It is ignored if any value other than 1 2 o...

Page 255: ... of all incoming data to 0 Some computers always send data with the MSB set to 1 which means that italics or character graphics will always be printed ESC can overcome this problem ESC Set MSB to 1 Format ASCII code ESC Decimal 27 62 Hexadecimal 1B 3E Comments Sets the MSB bit of all incoming data to 1 ESC Format Cancel MSB Control ASCII code ESC Decimal 27 35 Hexadecimal 1B 23 Comments Cancels th...

Page 256: ...Prints the data in the buffer and returns the print position to the left margin A line feed may be added if the AUTO FEED XT line on the parallel interface is held LOW This can also be performed by the SelecType AUTO LINE FEED setting CAN Cancel Line Format ASCII code CAN Decimal 24 Hexadecimal 18 Comments Removes all text on the print line but does not affect control codes 9 12 Commend Summary ...

Page 257: ...cut sheet feeder mode an FF ejects a sheet but does not load one ESC C Format Set Page Length in Lines ASCII code ESC C n Decimal 27 67 n H e x a d e c i m a l 1 B 4 3 n Comments Sets the page length to n lines in the current line spacing The value of n must be from l 127 lines The top of form position is set to the current line Overrides the SelecType P A G E T R A C T O R P A G E C S F B N 1 o r...

Page 258: ...F BN2 setting ESC N Format Set Skip Over Perforation ASCII code ESC N n Decimal 27 78 n Hexadecimal 1B 4E n Comments The variable n is the number of lines skipped between the last line printed on one page and the first line on the next page For example with the standard settings for line spacing l 6 inch and page length 66 lines ESC N 6 prints 60 lines and then skips 6 This setting is cancelled by...

Page 259: ...mal 10 Hexadecimal 0A Comments When this command is received the data in the print buffer is printed and the paper advances one line in the current line spacing ESC 0 Format Select 1 S inch Line Spacing ASCII code ESC 0 Decimal 27 48 Hexadecimal 1B 30 Comments Sets the line spacing to l 8th of an inch for subsequent line feed commands The 0 is the character zero and not decimal code 0 Overrides th...

Page 260: ...ng ESC 3 Format Set n 180 inch Line Spacing ASCII code ESC 3 n Decimal 27 51 n H e x a d e c i m a l 1 B 3 3 n Comments Sets the line spacing to n 180th of an inch for subsequent line feed commands The 3 is the character three and not decimal code 3 The value of n must be from O 255 ESC Format Set n 360 inch Line Spacing ASCII code ESC n Decimal 27 43 n H e x a d e c i m a l 1 B 2 B n Comments Set...

Page 261: ...7 74 n Hexadecimal 1B 4A n Comments Advances the paper n 180th of an inch The value of n must be from O 255 This command produces an immediate line feed but does not affect subsequent line spacing and does not produce a carriage return VT Tab Vertically Format ASCII code VT Decimal 11 Hexadecimal 0B Comments Advances the paper to the next tab setting in the channel selected by ESC If no channel ha...

Page 262: ...der The 0 character indicates the end of the command All settings are stored in channel 0 see ESC b ESC B 0 clears the tab settings ESC b Format Set Vertical Tabs in Channels ASCII code ESC b c nl n2 0 Decimal 27 98 c nl n2 0 Hexadecimal 1B 62 c nl n2 00 Comments Functions the same as ESC B except that the variable c selects a channel for the vertical tabs which must be between O 7 Therefore up to...

Page 263: ... ASCII code ESC 1 n Decimal 2 7 1 0 8 n H e x a d e c i m a l 1 B 6 C n Comments Set the left margin to n columns in the current character size Settings made in the proportional mode are treated as 10 cpi This command clears previous tab settings and all previous characters in the print line Use lowercase 1 as in left not the numeral one The minimum space between the margins is the width of one do...

Page 264: ...ngs and all previous characters in the print line The minimum space between the margins is the width of one double width 10 cpi character Overrides the SelecType RIGHT MARGIN setting BS Format Backspace ASCII code BS Decimal 8 Hexadecimal 08 Comments Prints out data in the print buffer then moves the print position one space to the left Backspacing can be performed up to but not beyond the left ma...

Page 265: ...t Relative Print Position Format ASCII code ESC nl n2 Decimal 27 92 nl n2 H e x a d e c i m a l 1 B 5 C n l n 2 Comments Determines the position relative to the current position at which printing of following data will start To find nl and n2 first calculate the displacement required in dots If the displacement is to the left subtract it from 65536 Send the resulting number using this formula tota...

Page 266: ...s Format ASCII code ESC D nl n2 0 Decimal 27 68 nl n2 0 Hexadecimal 1B 44 nl n2 00 Comments This command allows setting of up to 32 horizontal tabs which are entered as nl n2 n3 etc from l 255 with the 0 character terminating the command The tab settings must be entered in ascending order ESC D 0 clears all tabs The settings on power up or after an ESC command are every eight characters The tab se...

Page 267: ...y LQ mode Overrides the SelecType and control panel settings ESC k Format Select Typestyle Family ASCII code ESC k n Decimal 27 107 n H e x a d e c i m a l 1 B 6 B n Comments This command affects only the Letter Quality typestyle not draft If n 0 the Roman typestyle in the printer is used To select one of the eight other typestyles use the family number of the font shown on the next page For examp...

Page 268: ...ettings ESC Format Master Select ASCII code ESC n Decimal 27 33 n H e x a d e c i m a l 1 B 2 1 n Comments Selects any valid combination of the following modes 10 cpi 12 cpi proportional condensed emphasized double strike double width italic and underline For details on how to set n see the section on selecting typestyles with Master Select in Chapter 4 9 24 Commend Summary ...

Page 269: ...and control panel settings ESC M Format Select 12 cpi ASCII code ESC M Decimal 27 77 Hexadecimal 1B 4D Comments Selects 12 cpi 12 characters per inch Overrides the SelecType PITCH and control panel settings ESC g Format Select 15 cpi ASCII code ESC g Decimal 27 103 Hexadecimal 1B 67 Comments Selects 15 cpi 15 characters per inch and cancels 10 cpi or 12 cpi 15 cpi cannot be combined with condensed...

Page 270: ... letter like i receives less space than a wide letter like W The proportional widths are given in the character tables which appear in Appendix A Overrides the SelecType PITCH and control panel settings SI Format Select Condensed Mode ASCII code SI Decimal 15 Hexadecimal 0F Comments Prints characters at about 60 percent of their normal width For example the condensed 10 cpi mode has 17 characters ...

Page 271: ...ndensed Mode ASCII code DC2 Decimal 18 Hexadecimal 12 Comments Cancels condensed printing set by SI ESC SI or the SelecType and control panel settings so Format Select Double width Mode one line ASCII code SO Decimal 14 Hexadecimal 0E Comments Double width mode doubles the width of all characters This mode is cancelled by a carriage return or DC4 ESC SO duplicates this command Command Summary 9 27...

Page 272: ...idth Mode one line Comments Cancels one line double width printing selected by SO or ESC SO but not double width printing selected by ESC W or ESC ESC W Turn Double width Mode On Off Format A S C I I c o d e E S C W n Decimal 27 87 n H e x a d e c i m a l 1 B 5 7 n Comments The following values can be used for n 1 Mode is turned ON 0 Mode is turned OFF Double width mode doubles the width of all ch...

Page 273: ...ned ON 0 Mode is turned OFF Double height mode doubles the height of all characters Print Enhancement ESC E Select Emphasized Mode Format ASCII code ESC E Decimal 27 69 Hexadecimal 1B 45 Comments Makes text bolder by printing each dot twice ESC F Format Cancel Emphasized Mode ASCII code ESC F Decimal 27 70 Hexadecimal 1B 46 Comments Cancels the emphasized mode selected by ESC E Command Summary 9 2...

Page 274: ...ncel Double strike Mode Format ASCII code ESC H Decimal 27 72 Hexadecimal 1B 48 Comments Cancels the double strike mode selected by ESC G ESC SO Format Select Superscript Mode ASCII code ESC S 0 Decimal 27 83 0 H e x a d e c i m a l 1 B 5 3 0 Comments Prints characters about two thirds of the normal character height in the upper part of the character space 9 30 Commend Summary ...

Page 275: ...er space ESC T Format Cancel Superscript Subscript Mode ASCII code ESC T Decimal 27 84 Hexadecimal 1B 54 Comments Cancels either superscript or subscript ESC Turn Underlining Mode On Off Format A S C I I c o d e E S C n Decimal 2 7 4 5 n Hexadecimal 1B 2D n Comments The following values can be used for n 1 Mode is turned ON 0 Mode is turned OFF This mode provides continuous underlining including s...

Page 276: ...ents The following values can be used for n 0 Select normal style 1 Select outline style 2 Select shadow style 3 Select outline with shadow This command is valid for all characters with the exception of character codes B0H to DFH F4H and F5H in the EPSON Extended Graphics character table 9 32 Commend Summary ...

Page 277: ... the first 3 variables nl must be 3 n2 must be 0 m must be 1 The value of dl determines the location of the score dl 1 for underline dl 2 for strike through dl 3 for overscore The value of d2 determines whether the score line is single double broken or continuous d2 0 Cancel the score line selected by dl d2 1 Single continuous line d2 2 Double continuous line d2 5 Single broken line d2 6 Double br...

Page 278: ...s shown below Bit 2 Bit 1 Bit 0 On 1 Off 0 Broken Double Single line line on line on Continuous Double Single line line off line off Note If Bit 1 and Bit 0 are both off the selected score is cancelled Double line and single line scores cannot be combined at the same score position 9 34 Commend Summary ...

Page 279: ...n the buffer becomes full HT and BS are invalid except in n 0 mode For n 3 there must be no carriage returns within a paragraph ESC SP space Format Set Intercharacter Space ASCII code ESC SP n Decimal 27 32 n H e x a d e c i m a l 1 B 2 0 n Comments Sets the amount of space added to the right of each character in addition to the space already allowed in the design of the character The number of do...

Page 280: ...lects Italics character table 1 Selects EPSON Extended Graphics character table 2 Selects user defined character table The values 0 1 and 2 override the function of SelecType CG TABLE setting Note that the value of n must equal 00 hex 01 hex or 02 hex ESC 4 Format Select Italic Mode ASCII code ESC 4 Decimal 27 52 Hexadecimal 1B 34 Comments Causes italic characters to be printed This command is val...

Page 281: ...mat Select an International Character Set ASCII code ESC R n Decimal 27 82 n H e x a d e c i m a l 1 B 5 2 n Comments The following values can be used for n 0 USA 8 Japan 1 France 9 Norway 2 Germany 10 Denmark 2 3 UK 11 Spain 2 4 Denmark 1 12 Latin America 5 Sweden 13 Korea 6 Italy 64 Legal 7 Spain 1 Overrides the SelecType COUNTRY setting Command Summary 9 37 ...

Page 282: ...nl n 2 d0 dl d2 data Comments This command allows characters to be redefined in the currently selected mode ESC Copy ROM into RAM Format ASCII code ESC 0 n 0 Decimal 27 58 0 n 0 Hexadecimal 1B 3A 00 n 00 Comments This code copies the characters in the ROM into RAM so that specific characters can be redefined The variable n represents the font family 0 Roman 1 Sans Serif 2 Courier 3 Prestige 4 Scri...

Page 283: ...SC is required to define the character set The following values can be used for n 0 Selects the normal set 1 Selects the user defined set ESC 6 Format Enable Printable Characters ASCII code ESC 6 Decimal 27 54 Hexadecimal 1B 36 Comments When the EPSON Extended Graphics character table is selected this code enables the printing of codes 128 through 159 decimal as characters not control codes Comman...

Page 284: ...through 159 to be treated as control codes This is the default Graphics See Chapter 4 for sample graphics programs Also see the table under ESC for graphics modes ESC K Format Select Single density Graphics Mode ASCII code ESC K nl n2 Decimal 27 75 nl n 2 H e x a d e c i m a l 1 B 4 B n l n 2 Comments Turns on eight element single density graphics mode The total number of columns nl n2 x 256 9 40 ...

Page 285: ...lect High speed Double density Graphics Mode ASCII code ESC Y nl n 2 Decimal 27 89 nl n2 Hexadecimal 1 B 59 nl n2 Comments Turns on eight element high speed double density graphics mode The total number of columns nl n2 x 256 ESC Z Format Select Quadruple density Graphics Mode ASCII code ESC Z nl n 2 Decimal 27 90 nl n2 H e x a d e c i m a l 1 B 5 A n l n 2 Comments Turns on eight element quadrupl...

Page 286: ...table below for details on the available modes The total number of columns nl n2 Adjacent dots cannot be printed in this mode ESC Format ASCII code ESC s n Decimal 27 63 s n Hexadecimal 1B 3F s n Reassign Graphics Mode Comments Changes one graphics mode to another The variable s is a character K L Y or Z which is reassigned to a mode n O 6 32 33 38 40 9 42 Commend Summary ...

Page 287: ...Appendix Proportional Width Table A 2 Character Tables A 6 Appendix A l ...

Page 288: ...onal characters Also see the descriptions of the ESC R and ESC t commands on page 9 37 and 9 36 for information on how to use these characters The following width table shows each character its ASCII code hexadecimal and its width If there are two numbers in the width column the second one is for the superscript subscript version of the character Code 20 21 22 23 24 2 5 26 27 28 29 2A 2B 2C 2D 2E ...

Page 289: ... 24 36 24 42 28 36 24 36 24 36 24 36 24 36 24 36 24 36 24 42 28 36 24 42 28 36 24 36 24 30 20 24 16 30 20 24 16 30 20 30 20 18 12 30 20 36 24 30 20 Code 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E CHR Width 36 24 30 20 24 16 36 24 36 24 18 12 24 16 36 24 18 12 42 28 36 24 30 20 36 24 36 24 30 20 30 20 24 16 36 24 36 24 42 28 30 20 36 24 30 20 24 16 18 12 24 16 ...

Page 290: ...42 28 30 20 30 20 36 24 42 28 30 20 30 20 18 12 30 20 36 24 36 24 36 24 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 Code CHR B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF D0 D1 D2 Width 30 20 30 20 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 ...

Page 291: ... EE EF F0 F1 F2 F3 F4 F5 F6 F7 CHR Width 30 30 30 30 30 30 30 30 30 30 30 30 30 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 20 30 30 30 30 30 30 30 30 Code F8 F9 FA FB FC FD FE CHR Width 30 30 30 30 30 30 30 24 16 30 20 36 24 36 24 30 20 30 20 30 20 Appendix A 5 ...

Page 292: ...TABLE setting or using the ESC t software command For the EPSON Extended Graphics character table use of the ESC 6 or ESC 7 software command lets you select whether to print hex codes 80 to 9F as characters ESC 6 or control codes ESC 7 Italic Character Table A 6 Appendix ...

Page 293: ...Character Tables EPSON Extended Graphics Character Table Appendix A 7 ...

Page 294: ...codes to letters and symbols auto line feed When this feature is enabled using the SelecType setting each carriage return code CR is automatically accompanied by a line feed LF code baud rate A measure of the speed of data transmission Usually equivalent to bits per second bidirectional printing Printing in which the print head goes from left to right only on every other line On the other lines it...

Page 295: ...able The SQ has three Character Generator CG tables Italic Graphic and Download These tables contain the characters printed by the printer characters per inch cpi A measure of the size of text characters often referred to as pitch 10 cpi is the standard or default setting condensed Printing in which each character is approximately 60 of the width of standard characters Useful for fitting wide tabl...

Page 296: ...eshooting feature When the printer is in data dump mode each code that is receives is printed in hexadecimal notation as well as ASCII codes that stand for the characters Sometimes called hex dump decimal See number systems default A value or setting that takes effect when the equipment is turned on reset or initialized dot graphics A graphic design formed by patterns of dots dot matrix A method o...

Page 297: ...d in two passes of the print head the second time the dots are printed slightly to the right of the original dots EPSON Extended Graphics character table A table containing international accented characters Greek characters and character graphics for printing lines corners and shaded areas ESC escape A special control code used to begin most printer commands ESC P Abbreviation for EPSON Standard C...

Page 298: ...e bit at a time italic A typestyle in which the characters slant This sentence is italicized Letter Quality LQ One of two print qualities available on your printer Letter Quality reduces the print speed and increases the number of dots per character to increase the print quality line feed A control code and a panel button that advances the paper one line space liquid crystal display LCD The displa...

Page 299: ...o feed See micro adjustment number systems Three number systems are commonly used with printers decimal is base 10 and uses the digits 0 1 2 3 4 5 6 7 8 and 9 This is the most familiar system hexadecimal hex is base 16 and uses the digits 0 1 2 3 4 5 6 7 8 9 A B C D E and F This is frequently used by programmers Any decimal number between 0 and 255 can be expressed by a two digit hex number binary...

Page 300: ...black roller that provides a backing for the printing print quality Your printer has two types of print quality draft and Letter Quality Draft is for high speed draft quality jobs Letter Quality is for final polished documents proportional spacing Printing in which the width if the character varies from character to character For example a capital W receives much more space than a lower case i The...

Page 301: ...self test A method of checking the operation of the printer When the self test is run the printer prints out its SelecType settings and the characters that are stored in its ROM serial interface See interface short tear off A feature that automatically feeds the perforation of continuous paper to the tear off position and then advances the paper back to the loading position This position can be ad...

Page 302: ...irection only Allows more precise vertical alignment than bidirectional printing Often used for printing graphics user defined characters Characters that are defined and stored in the printer by the user Also known as download characters Glossary GL 9 ...

Page 303: ...able 3 11 3 36 Character font 3 11 3 28 8 3 selecting by command 9 23 24 setting by button 3 28 32 setting by SelecType 3 11 setting by software commands 9 23 24 Character pitch setting by button 3 33 34 setting by SelecType 3 11 setting with software commands 9 24 25 Character size 4 34 Character spacing 4 2 Character tables A 6 setting by SelecType 3 36 setting by software commands 9 36 Checking...

Page 304: ...th 4 3 9 28 Download see User defined characters Download character table 3 11 3 36 Draft quality self test 1 19 24 E Edge guide l 20 21 with continuous paper 2 13 with single sheet 2 4 5 Electrical specifications 8 8 Emphasized printing 4 5 9 29 GL 4 Envelopes 2 28 30 5 10 12 8 4 5 Environmental specifications 8 8 9 Epson ESC P GL 4 Epson Extended Graphics character table A 7 GL 4 setting by Sele...

Page 305: ... Ink indicator lever l 10 Input buffer capacity 8 3 Interface boards 5 31 40 choosing 5 31 installing 5 32 39 Interface parallel l 28 29 8 10 13 setting by SelecType 3 12 Interfaces optional 5 31 International character set 3 35 Italic character table A 6 setting by SelecType 3 36 setting by software commands 9 36 37 Italic printing 4 5 9 36 37 GL 5 J Justification 9 35 L Labels 2 25 27 Letter Qua...

Page 306: ... Moving the printer 6 9 11 0 ON LINE button 3 4 light 3 3 One inch skip 1 skip see Skip over perforation Options cut sheet feeder 5 2 20 interface boards 5 31 40 pull tractor 5 21 30 Options using 5 2 40 Outline 4 6 Overlining 4 6 P Page length setting by SelecType 3 18 setting by software commands 9 13 14 Panel control 3 2 9 Paper loading continuous paper 2 8 15 5 24 28 loading single sheets 2 3 ...

Page 307: ... 4 5 removing for transport 6 9 Position for paper supply 2 8 POWER light 3 3 Power supply connecting to l 14 16 Print direction 8 2 setting by SelecType 3 11 setting by software commands 9 9 10 Print head cleaning 6 4 5 life 8 7 operation during graphics printing 4 10 13 Print speed 8 2 Printer cleaning 6 2 3 options 5 l 40 parts see inside back cover setting up l 2 32 specifications 8 2 9 testin...

Page 308: ... sheet loading 2 3 7 Skip over perforation adjusting 3 26 27 setting by SelecType 3 19 20 setting by software command 9 14 15 Software commands 9 2 42 Specifications interface 8 l O 14 printer 8 2 9 Strike through printing 4 6 Subscripts and superscripts 4 6 setting by software commands 9 30 31 user defined 4 30 31 Switches see Buttons T TEAR OFF button 3 7 light 3 3 Testing self test 1 19 25 5 S ...

Page 309: ...Index U Underlining 4 6 9 31 Unidirectional printing 3 12 9 10 Unpacking l 3 User defined characters 4 21 31 9 38 39 GL 9 V Voltage 1 3 power supply 8 8 Index IN 7 ...

Page 310: ......

Page 311: ...eference For a more detailed explanation see the page reference in Chapter 9 Variables are not included in this quick reference due to their complexity For those codes that contain variables such as ESC Q n for setting the right margin see Chapter 9 P r i n t e r O p e r a t i o n D a t a C o n t r o l ...

Page 312: ...Print Enhancement Word Processing ...

Page 313: ......

Page 314: ...stralia Phone 6 1 2 4 5 2 0 6 6 6 Telex 7 5 0 5 2 EPSON SINGAPORE PTE LTD No 1 Raffles Place 2 6 0 0 Oub Centre Singapore 0104 P h o n e 5 3 3 0 4 7 7 T e l e x 3 9 5 3 6 EPSON ELECTRONICS TRADING LTD EPSON ELECTRONICS TRADING LTD 25 F Harbour Centre TAIWAN BRANCH 25 Harbour Road Wanchai 10F No 287 Nanking E Road Sec 3 Hong Kong Taipei Taiwan R O C P h o n e 5 8 3 1 4 6 0 0 Phone 02 717 7360 T e l...

Page 315: ...USER S GUIDE Printed in Japan 89 07 4 ...

Search results

Summary of Contents for SQ-2550

Reviews:

Related manuals for SQ-2550

Brands by name

Popular brands

Epson SQ-2550, User Manual

Search results

Summary of Contents for SQ-2550

Reviews:

Related manuals for SQ-2550

Brands by name

Popular brands