Epson LQ-1000 Product Support Bulletin
Contents
1. the identity modules depending on which is used The ESC P provides the character graphics forms from the IBM standard character set as well as Greek alphabet characters and some mathematical operation symbols In comparison the IBM module has the Alternate and Symbol character sets in addition to the standard set These may be required for some applications Software commands also differ between the two modules The ESC P module will allow use of all standard Epson printer commands normally available to the LQ printers whereas the IBM module causes the LQ printer to emulate an IBM 5152 printer with the loss of some Epson printer commands normally available to the LQ All font modules are usable with either identity module2. 13A PURPOSE This list will assist in the correct matching of Epson ribbons to printers The numbers listed below are the Epson part numbers and can be used to order ribbons This list supercedes Pop 013 EAI OEM USAGE 7751 N A ALL DX 7753 N A LQ 500 LQ 800 LQ 850 7754 N A LQ 1000 LQ 1050 7756 N A LO 2500 BLACK 7757 N A LQ 2500 COLOR 8758 ERC 04 ALL 80 COLUMN MX RX FX FX 86e LX 800 JX 80 8753 ERC 13 LQ 1500 8755 ERC 08 ALL 136 COLUMN MX RX FX FX286e 8759 ERC 14 JX 60 COLOR 8760 ERC 16 P 80 8762 ERC 17 LX 80 LX 86 LX 90 HW 10 8763 N A EX 800 1000 BLACK 8764 N A EX 800 1000 COLOR Recommended for use when color is not required EPSON AMERICA SERVICE 23610 TELO AVENUE TORRANCE CALIF 98505 EPSON EPSON AMERICA INC SERVICE DEPARTMENT PRODUCT SUPPORT _BULLETIN DATE 06 24 87 a SUBJECT LQ 800 1000 IBM GRAPHICS CHARACTER PRINTING Here at Product Support we receive numerous questions about the printing of IBM type graphics on the LQ 800 1000 printers and about the difference between the ESC P and IBM identity modules The purpose of this bulletin is to address these common questions Printing IBM Graphics Characters The LQ 800 1000 cannot print the IBM graphics characters unless it has either the ESC P 7696 or the IBM 7695 identity module installed Module Differences Various options are available when using
3. EPSON AMERICA INC EPSON Product Support Bulletin Subject 24 Pin Printer Error and Beep Codes Date 4 3 91 PSB No P 0076 Page s 1 of 4 Originator JV Epson printers issue beep tones when certain error conditions exist Those beeps can assist you in locating and repairing customer s printers The following error codes are listed by product name NOTE Most of the beeps issued by the printers are of 1 second duration with a 1 second pause between beeps Where the beeps or the pauses are longer it has been noted in the text The description 3 Beeps x 2 means two sets of three beeps LQ 200 AP 3000 1 beep BEL code 1 beep A Control Panel setting is accepted 3 beeps Paper End detected 5 beeps Abnormal carriage movement On Line light is flashing Printhead is over heated Carriage will stop until the printhead cools down LQ 500 LQ 510 LQ 1010 LQ 850 LQ 950 LQ 1050 L1000 AP 4000 AP 4500 1 beep BEL code 5 set beep 1 beep A Control Panel setting is accepted 3 beeps Paper End detected 5 beeps Abnormal carriage movement LQ 800 LQ 1000 L750 1 beep 1 beep 3 beeps 5 beeps 5 beeps LQ 860 1 beep 1 beep 3 beeps 5 beeps 5 beeps 5 beeps LQ 1500 1 beep 5 beeps 5 beeps PSB No P 0076 Page 2 of 4 BEL code A Control Panel setting is accepted Paper End detected Abnormal carriage movement 5 sec pause between beeps 35V supply is abnormal BEL cod
4. M has failed The SRAM could be bad This is a motor control error Four possible areas of failure are a CR home condition not detected at power up b Platen gap motor HP not detected correctly c Friction Tractor feed switching error d Physical obstruction such as a jammed ribbon Skewed paper detect error Since the initial reading upon loading a single sheet paper the paper has skewed This is a printhead wire protection feature 12 Illegal paper positioning 1 If the paper is loaded using the knob instead of the LOAD EJECT switch this error condition will occur This is a printhead wire protection feature 2 PE sensor may have failed or is not connected 20 CPU error An undefined op code was detected NOTES Error codes 11 and 12 are usually caused by new operators who are un familiar with the machine Both of these errors are corrected by turning the printer off taking out the paper and turning the printer back on Both features were added to ensure proper paper handling and prevent paper jams which can result in printhead failures Incorrect jumper settings on the ROMA board may cause errors 10 or 20 The correct settings are documented in the Service Manual page A 54 figure A 52 and on TIB LQ2550 005 Errors 0 2 3 10 and 20 may require a repair adjustment or replacement EPSON EPSON AMERICA INC SERVICE PRODUCT SUPPORT BULLETIN Date 3 1 88 Subject Epson Printer Ribbon Compatibility Number P 00
5. e 5 sec beep A Control Panel setting is accepted Paper End detected Color select mechanism error 5 sec beep 5 sec between beeps Abnormal carriage movement 5 sec beep 5 sec between beeps CG ROM failure 5 sec beep 5 sec between beeps BEL code Paper End detected Abnormal carriage movement 5 sec pause between beeps PSB No P 0076 Page 3 of 4 LQ 2500 NOTE Printers with LCD displays use error messages along with beeps to inform the user of problems The following messages will help you to troubleshoot problems A blank LCD screen with the Power on LED lit can be caused by a bent pin on one of the PROMS or jumper J1 may be set incorrectly 1 beep BEL code 5 beeps Abnormal voltage 5 beeps Abnormal carriage movement LQ 2500 LCD Codes 00 5 sec pause between beeps Invalid ID request 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 pause between beeps 5 beeps Platen Gap adjustment error 5 sec pause between beeps 5 beeps Case open LQ 2550 LCD Codes 00 1 The font could not be found The printer s internal program could not find the target font 2 Missing or damaged 7A ROM 02 internal ROM check does not match The versions may have been mixed PSB No P 0076 Page 4 of 4 LQ 2550 cont 03 10 A Verify After Write check to the SRA
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