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Epson LQ 1050 - B/W Dot-matrix Printer Product Support Bulletin
Epson LQ 1050 - B/W Dot-matrix Printer Product Support Bulletin

Epson LQ 1050 - B/W Dot-matrix Printer Product Support Bulletin

24 pin printer error and beep codes
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EPSON AMERICA, INC.
Product Support Bulletin
Subject: 24 Pin Printer Error and Beep Codes
Date: 4/3/91
Page(s): 1 of 4
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:
1 beep:
3 beeps:
5 beeps:
On-Line light is flashing:
LQ-500, LQ-510, LQ-1010, LQ-850, LQ-950, LQ-1050,
L1000, AP-4000, AP-4500
1 beep:
1 beep:
3 beeps:
5 beeps:
PSB No: P-0076
Originator JV
BEL code
A Control Panel setting is accepted.
Paper End detected
Abnormal carriage movement
Printhead is over heated. Carriage will stop until
the printhead cools down.
BEL code (.5 sec beep)
A Control Panel setting is accepted
Paper End detected
Abnormal carriage movement
EPSON

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Summary of Contents for Epson LQ 1050 - B/W Dot-matrix Printer

  • Page 1 Date: 4/3/91 Originator JV Page(s): 1 of 4 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.
  • Page 2 PSB No: P-0076 Page: 2 of 4 LQ-800, LQ-1000, L750 1 beep: BEL code 1 beep: A Control Panel setting is accepted 3 beeps: Paper End detected 5 beeps: Abnormal carriage movement (.5 sec. pause between beeps) 5 beeps: +35V supply is abnormal LQ-860 1 beep: BEL code (.5 sec.
  • Page 3 PSB No: P-0076 Page: 3 of 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 PROM or jumper J1 may be set incorrectly.
  • Page 4 PSB No: P-0076 Page: LQ-2550 cont. A ‘Verify After Write” check to the SRAM 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.
  • Page 5 Product Support Bulletin Subject: Power Specifications Date: 2/7/90 PSB No: P-0060 Originator: RFB Page: 1 of 2 The following information is a list of the power requirements for the Epson 9 and 24 pin printers and laser printers. 504 VA maximum...
  • Page 6 84 VA maximum 286.69 If the power requirements of a particular Epson printer is not listed please refer to the appropriate User's Manual for the electrical specifications. In the event that the User's Manual is not available, locate the silver label This is a reliable source for the electrical on the back of the Epson printer.
  • Page 7 INFORMA EPSON EPSON AMERICA, INC. Product Support Bulletin Subject: Tractor Pin Alignment PSB No: P - 0044 Date: 5/15/89 Originator: RP bd Page: 1 of 1 The purpose of this bulletin is to insure the proper installation and alignment of the FX- 850/1050 and LQ- 850/1050 push tractor assemblies.
  • Page 8 Quality Characters/Second Draft Draft What ribbons does the LQ-850/950/1050 take? Printer Standard Ribbon Film Ribbon LQ-850 #7753 #7768 #7769 LQ-950 #7767 LQ-1050 #7754 #7770 Does the LQ-850/950/1050 support color? A: No. EPSON AMERICA SERVICE, 23610 TELO AVENUE, TORRANCE, CALIF. 90505...
  • Page 9 PAGE: 2 of 3 NUMBER: P-0035 What fonts are built into the LQ-850/950/1050? Draft Roman(10cpi, 12cpi, 15cpi) Roman Proportional Sans Serif(10cpi, 12cpi, 15cpi) Sans Serif Proportional Are there any optional fonts available? Courier(10cpi, 12cpi, 15cpi) : Font Module #7400A Font Module #7401A Prestige(10cpi, 12cpi, 15cpi) : Font Module #7402A Script(10cpi, 12cpi, 15cpi) :...
  • Page 10 8143 and the 8148. If I want to use the built-in serial interface on the printer, what cable do I use? Epson markets two cables that allow direct connection to personal computers. When connecting the 6 pin DIN to an IBM PC/XT or compatible DB-25 serial port use cable #8297.
  • Page 11 To use PDOS on the LQ-850/950/1050 printers, a serial connection must be made to the host computer using a suitable cable (Epson part no. 8297 connects the LQ's 6-pin DIN connector to a standard DB-25 port). This cable must be connected to COM1:* on the host computer.
  • Page 12 EPSON EPSON AMERICA, INC. RODUCT UPPORT ULLETIN SERVICE PAGE: 1 PSB NO.: P-0020 D A T E : 5 / 6 / 8 8 S U B J E C T : L Q - 8 5 0 / 1 0 5 0 P A P E R T H I C K N E S S L E V E R...
  • Page 13 PAGE: NUMBER: PO020 of 2 FIGURE 1.1 Location of paper thickness lever and settings in the LQ-850/ LQ 1050 printers. FIGURE New label to be inc luded LQ-850/1050 printers produced 1988. beginning in April...
  • Page 14 INFORMATION EPSON EPSON AMERICA, INC. Product Support Bulletin Subject: Epson Dot - Matrix Printer Options and Accessories Date: 8/1/89 PSB No: P-0017B Page: 1 of 2 Originator: RFA 9 - PIN DOT MATRIX OPTIONS LX-810 FX-850 FX-1050 DFX-5000 TRACTOR UNITS...
  • Page 15 PSB No: P-0017B Page: 2 of 2 24 - PIN MATRIX OPTIONS LQ-1050 LQ-2550 LQ-510 LQ-850 LQ-950 TRACTOR UNITS 7314-A PULL TRACTOR 7313-A 7312-A C800061 7311-A CUT SHEET FEEDERS SINGLE BIN 7340-A C806121 7339-A 7345-A 7348-A 7343-A DOUBLE BIN 7346-A 7347-A 7762 7767...
  • Page 16 EPSON EPSON AMERICA, INC. Product Support Bulletin Subject: Quick Reference for Printer Acoustic Noise Levels Date: 6/5/91 PSB No: P-0016D Page(s): 1 of 2 Originator: SLS Sound intensity is measured in units called Bels (named after Alexander Graham Bell,) or more commonly in tenths of this fundamental unit: decibels. In making noise measurements a weighting network is applied in an attempt to match the frequency response of the instrument to that of the human ear.
  • Page 17: Noise Level

    PSB No: P-0016D Page: 2 of 2 MODEL NOISE LEVEL LQ-860 55 dB(A) LQ-1050 55 dB(A) LQ-2550 55 dB(A) LASER PRINTERS...
  • Page 18: Service Product

    Number: P-0013A 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 PSB-013. EAI # OEM #...