Product Support Bulletin(s)
Page 3
... beeps) 5 beeps: Case open LQ-2550 LCD Codes: 00 (1) (2) The font could not find the target font. The versions may be found. Missing or damaged 7A ROM 02 Internal ROM check does not match. PSB No: P-0076 Page: 3 of 4 LQ-2500 NOTE: Printers with LCD displays use .... The following messages will help you to CGROM 03 EEROM read/write error 10 Abnormal carriage movement LQ-2550 1 beep: BEL code 3 beeps: Paper End detected 5 beeps: Abnormal carriage movement (.5 sec. The printer's internal program could not be set incorrectly. 1 beep: BEL code 5 beeps: Abnormal voltage- ...
... beeps) 5 beeps: Case open LQ-2550 LCD Codes: 00 (1) (2) The font could not find the target font. The versions may be found. Missing or damaged 7A ROM 02 Internal ROM check does not match. PSB No: P-0076 Page: 3 of 4 LQ-2500 NOTE: Printers with LCD displays use .... The following messages will help you to CGROM 03 EEROM read/write error 10 Abnormal carriage movement LQ-2550 1 beep: BEL code 3 beeps: Paper End detected 5 beeps: Abnormal carriage movement (.5 sec. The printer's internal program could not be set incorrectly. 1 beep: BEL code 5 beeps: Abnormal voltage- ...
User Manual
Page 9
... A-1 C-1 Plugging the identity and font modules together C-1 C-2 Installing an option cartridge C-2 D-1 Print head replacement D-9 D-2 Removing the ribbon cables D-10 F-1 Parallel interface timing F-3 G-1 Removing the upper case G-3 G-2 Removing the control panel G-4 G-3 Main circuit board G-5 G-4 Interface board mounted on main circuit board . . G-6 viii
... A-1 C-1 Plugging the identity and font modules together C-1 C-2 Installing an option cartridge C-2 D-1 Print head replacement D-9 D-2 Removing the ribbon cables D-10 F-1 Parallel interface timing F-3 G-1 Removing the upper case G-3 G-2 Removing the control panel G-4 G-3 Main circuit board G-5 G-4 Interface board mounted on main circuit board . . G-6 viii
User Manual
Page 44
... paper guide is aligned with nonabrasive household cleaners. 2-13 A safe temperature range is too light. Stubborn stains can be set up your cut sheet feeder case. The weight of the paper is 41° to eject unevenly Make sure that there's enough room in the stacker. If not, remove some of...
... paper guide is aligned with nonabrasive household cleaners. 2-13 A safe temperature range is too light. Stubborn stains can be set up your cut sheet feeder case. The weight of the paper is 41° to eject unevenly Make sure that there's enough room in the stacker. If not, remove some of...
User Manual
Page 61
... the capabilities of BASIC, consult the appropriate manual. When you have another version, you don't want to work with the two most cases the software that does not affect the operation of BASIC, the programs in BASIC programming. If you can often solve your screen. All... ones: Microsoft™ BASIC and IBM PC BASIC. Although there are completely through with the printer for using Applesoft™ BASIC; Press RETURN at the end of each line. (On your printer, capabilities that use for word processing, business, or graphics does the calculating and communicating with one...
... the capabilities of BASIC, consult the appropriate manual. When you have another version, you don't want to work with the two most cases the software that does not affect the operation of BASIC, the programs in BASIC programming. If you can often solve your screen. All... ones: Microsoft™ BASIC and IBM PC BASIC. Although there are completely through with the printer for using Applesoft™ BASIC; Press RETURN at the end of each line. (On your printer, capabilities that use for word processing, business, or graphics does the calculating and communicating with one...
User Manual
Page 70
... following program: 10 LPRINT CHR$(27)"p1" 20 LPRINT "Proportional mode is on and a character combined with ESCape "-0". Proportional mode is on the LQ, each letter is always Letter Quality. Proportional mode In the standard draft and Letter Quality modes on . In the proportional mode, however, the space...allowed for each character is given the same amount of space, whether it is off . 5-12 Underline mode The LQ also has a mode that it uses a character, in this case the hyphen or minus sign, combined with numeral one to turn it off. The proportional mode is proportional to ...
... following program: 10 LPRINT CHR$(27)"p1" 20 LPRINT "Proportional mode is on and a character combined with ESCape "-0". Proportional mode is on the LQ, each letter is always Letter Quality. Proportional mode In the standard draft and Letter Quality modes on . In the proportional mode, however, the space...allowed for each character is given the same amount of space, whether it is off . 5-12 Underline mode The LQ also has a mode that it uses a character, in this case the hyphen or minus sign, combined with numeral one to turn it off. The proportional mode is proportional to ...
User Manual
Page 78
The LQ has several commands to do this code. This means that when you are printing on , and ESCape "s0" turns it off. Note that you need for almost all printing of text, but in some cases you cannot use the last three lines of the page, but that is usually reserved for... this , one you need to increase or decrease the space between lines. If you use ESCape "s" to protect the print head and platen, the LQ stops printing three lines from...
The LQ has several commands to do this code. This means that when you are printing on , and ESCape "s0" turns it off. Note that you need for almost all printing of text, but in some cases you cannot use the last three lines of the page, but that is usually reserved for... this , one you need to increase or decrease the space between lines. If you use ESCape "s" to protect the print head and platen, the LQ stops printing three lines from...
User Manual
Page 94
An example character definition program should make this case, a range of one vertical column of dots, the LQ expects dl x 3 bytes of your definitions . The two at signs (@) in line 30 represent nl and n2, the range of the program) is contained in .... You can now print out a three line sample of data to follow d2. The information about the actual character design (which is sent to the printer in the RAM location for ASCII code 64 (replacing the at the end of characters being defined (in your program to prevent carriage return and...
An example character definition program should make this case, a range of one vertical column of dots, the LQ expects dl x 3 bytes of your definitions . The two at signs (@) in line 30 represent nl and n2, the range of the program) is contained in .... You can now print out a three line sample of data to follow d2. The information about the actual character design (which is sent to the printer in the RAM location for ASCII code 64 (replacing the at the end of characters being defined (in your program to prevent carriage return and...
User Manual
Page 95
... to switch back and forth at any characters, the command is the default). Copying ROM to RAM After running the program above . In many cases, you select the user-defined character set . As you to copy all . You may switch between the two sets is used in the user...character set and the user-defined character set and try it 's as spaces; the rest of a line. Therefore, the LQ has a command which allows you have defined any time-even in the printer available for your needs; The command format is . The command to 0, the normal ROM character set is , however,...
... to switch back and forth at any characters, the command is the default). Copying ROM to RAM After running the program above . In many cases, you select the user-defined character set . As you to copy all . You may switch between the two sets is used in the user...character set and the user-defined character set and try it 's as spaces; the rest of a line. Therefore, the LQ has a command which allows you have defined any time-even in the printer available for your needs; The command format is . The command to 0, the normal ROM character set is , however,...
User Manual
Page 112
... If the printouts from your computer, you 've prepared on the left list possible problems; When delivered, the LQ is set . Also include numbers, punctuation marks, symbols, carriage returns, and upper and lower case letters. If it's not printing the USA character set, determine which character set it is printing the correct...
... If the printouts from your computer, you 've prepared on the left list possible problems; When delivered, the LQ is set . Also include numbers, punctuation marks, symbols, carriage returns, and upper and lower case letters. If it's not printing the USA character set, determine which character set it is printing the correct...
User Manual
Page 117
... the ON LINE button to drive a printer. Second, it . Then compare your computer system changes some codes before it is in BASIC; For example, in the lines below, which are the first two lines of the printout of the test program run with this case BASIC adds hex 0A, which is the... BASIC Solutions There are three problems in using the IBM Personal Computer BASIC to make the LQ print the final line. Here is the way to adjust the width when it sends them to the printer. Tell the computer that the print line is wider than 80 characters with IBM PC BASIC...
... the ON LINE button to drive a printer. Second, it . Then compare your computer system changes some codes before it is in BASIC; For example, in the lines below, which are the first two lines of the printout of the test program run with this case BASIC adds hex 0A, which is the... BASIC Solutions There are three problems in using the IBM Personal Computer BASIC to make the LQ print the final line. Here is the way to adjust the width when it sends them to the printer. Tell the computer that the print line is wider than 80 characters with IBM PC BASIC...
User Manual
Page 118
... PR#l after the INPUT statement. Instead, you must therefore change the programs in this allows you to the printer, you need to change your programs to the problem with CHR$(26). In most cases all instances of the program that states PR#l and a line at the beginning of LPRINT to the... printer as a random file: OPEN "LPTl:" AS #l Although this manual somewhat. If you want to print more than 80 ...
... PR#l after the INPUT statement. Instead, you must therefore change the programs in this allows you to the printer, you need to change your programs to the problem with CHR$(26). In most cases all instances of the program that states PR#l and a line at the beginning of LPRINT to the... printer as a random file: OPEN "LPTl:" AS #l Although this manual somewhat. If you want to print more than 80 ...
User Manual
Page 119
.... If you have been printing, wait about 200 million strokes. QX-10® and QX-16 Solutions The format for the WIDTH statement for the Epson QX-10 and QX-16 computers is about 15 minutes to allow the print head to bend or damage any heat sources. To clean the... print head back and forth to clean under it away from the electrical outlet. Once in another component of the printer case, use a soft, clean cloth dampened with nonabrasive household cleaners. Take the LQ to 95°F. D-8 Then remove the dust cover. Removing the old print head Be sure the power is probably...
.... If you have been printing, wait about 200 million strokes. QX-10® and QX-16 Solutions The format for the WIDTH statement for the Epson QX-10 and QX-16 computers is about 15 minutes to allow the print head to bend or damage any heat sources. To clean the... print head back and forth to clean under it away from the electrical outlet. Once in another component of the printer case, use a soft, clean cloth dampened with nonabrasive household cleaners. Take the LQ to 95°F. D-8 Then remove the dust cover. Removing the old print head Be sure the power is probably...
User Manual
Page 126
...has been received and that the printer cannot receive data. Appendix F The Parallel and Serial Interfaces The LQ-800/1000 printers have both parallel and serial interfaces to read data in Pulse width must be more data. A HIGH signal indicates that the printer is logical 0. These signals ...represent information of the 1st to 8th bits of respective interface signals are shown in the following cases:...
...has been received and that the printer cannot receive data. Appendix F The Parallel and Serial Interfaces The LQ-800/1000 printers have both parallel and serial interfaces to read data in Pulse width must be more data. A HIGH signal indicates that the printer is logical 0. These signals ...represent information of the 1st to 8th bits of respective interface signals are shown in the following cases:...
User Manual
Page 129
... F-2. The SLCT-IN signal is HIGH and SW 2-7 is OFF when the printer is initialized, the printer will not revert to the selected state unless the DC1 code is received. 3. In other than that no ERROR status exists other words, in case of parallel interface unit is used) is HIGH when the... printer power is OFF. F-4 Table F-2 refers to the OFF-LINE mode. 2. DC1 and DC3 codes are ignored. 5. And SLCT-IN...
... F-2. The SLCT-IN signal is HIGH and SW 2-7 is OFF when the printer is initialized, the printer will not revert to the selected state unless the DC1 code is received. 3. In other than that no ERROR status exists other words, in case of parallel interface unit is used) is HIGH when the... printer power is OFF. F-4 Table F-2 refers to the OFF-LINE mode. 2. DC1 and DC3 codes are ignored. 5. And SLCT-IN...
User Manual
Page 131
The following Epson interfaces are compatible with the LQ-800 and LQ-1000, which allow connection to release the computer for installing internally mounted interface boards. Compatible Interfaces You can use a number of optional interfaces with the LQ-800 and LQ-1000 printers, although some cases these are installed on the computer rather than the printer). l IEEE-488 and other special...
The following Epson interfaces are compatible with the LQ-800 and LQ-1000, which allow connection to release the computer for installing internally mounted interface boards. Compatible Interfaces You can use a number of optional interfaces with the LQ-800 and LQ-1000 printers, although some cases these are installed on the computer rather than the printer). l IEEE-488 and other special...
User Manual
Page 132
... knob on the right side by the charge that may build up on the circuit board of the printer case to get to both the printer and the computer, and disconnect the interface cable from the printer. 3. WARNING High voltages are sensitive to static electricity and can install these you can be destroyed by...
... knob on the right side by the charge that may build up on the circuit board of the printer case to get to both the printer and the computer, and disconnect the interface cable from the printer. 3. WARNING High voltages are sensitive to static electricity and can install these you can be destroyed by...
User Manual
Page 133
Using a Phillips screwdriver, remove the retaining screws on the LQ-800 as shown in the diagram. 4. G-3 There are three screws. On the LQ-1000, there are two screws on the upper half of the printer case. Figure G-1. Removing the upper case 5. With the printer facing you, slowly lift the upper case. Don't lift the case too high, because the control panel is still attached.
Using a Phillips screwdriver, remove the retaining screws on the LQ-800 as shown in the diagram. 4. G-3 There are three screws. On the LQ-1000, there are two screws on the upper half of the printer case. Figure G-1. Removing the upper case 5. With the printer facing you, slowly lift the upper case. Don't lift the case too high, because the control panel is still attached.
User Manual
Page 134
...can only be connected one side. G-4 Make sure that the flat side of pins on the circuit board. Removing the control panel 7. To replace the case, reverse the previous steps. When replacing the paper feed knob, make sure that the arrangement of the holes in the connector matches the pattern of... the control panel and squeeze these clips slightly to one way, so make sure that the control panel connector has not been disconnected from the case. On the underside of the printer cover, at each end of the control panel, are two plastic retaining clips as shown in the paper feed knob.
...can only be connected one side. G-4 Make sure that the flat side of pins on the circuit board. Removing the control panel 7. To replace the case, reverse the previous steps. When replacing the paper feed knob, make sure that the arrangement of the holes in the connector matches the pattern of... the control panel and squeeze these clips slightly to one way, so make sure that the control panel connector has not been disconnected from the case. On the underside of the printer cover, at each end of the control panel, are two plastic retaining clips as shown in the paper feed knob.
User Manual
Page 135
...which the interface board will rest, and the screw at the back of the upper case to allow access to the parallel connector. Remove the plastic piece from the hole at the rear of the printer. Locate the supports shown in the previous section. 2. Secure the board to the ...support posts using the screws provided. This connector is the connection for the frame ground wire. Figure G-3. Remove the upper case of the printer, following the steps described in Figure G-3 on the main circuit board of the circuit board labelled FG. Installing an Interface Board 1.
...which the interface board will rest, and the screw at the back of the upper case to allow access to the parallel connector. Remove the plastic piece from the hole at the rear of the printer. Locate the supports shown in the previous section. 2. Secure the board to the ...support posts using the screws provided. This connector is the connection for the frame ground wire. Figure G-3. Remove the upper case of the printer, following the steps described in Figure G-3 on the main circuit board of the circuit board labelled FG. Installing an Interface Board 1.
User Manual
Page 146
Commands by Function This section describes all the LQ control codes. In this section, CTRL O for example, means hold down the control key while you can use that require a 0 or 1 with either decimal or ... a letter, such as (n) or (d), are variables, which are divided in the second ASCII code column, you can use a control key for the 0 or 1. In some cases there is as fol- In BASIC you press O.
Commands by Function This section describes all the LQ control codes. In this section, CTRL O for example, means hold down the control key while you can use that require a 0 or 1 with either decimal or ... a letter, such as (n) or (d), are variables, which are divided in the second ASCII code column, you can use a control key for the 0 or 1. In some cases there is as fol- In BASIC you press O.