Epson LQ-1500 Dimensioni

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

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:

LQ-860

+35V supply is abnormal

1 beep: BEL code (.5 sec. beep)

1 beep:

A Control Panel setting is accepted

3 beeps: Paper End detected

5 beeps:

Color select mechanism error

(.5 sec. beep, .5 sec between beeps)

5 beeps:

Abnormal carriage movement

(.5 sec. beep, .5 sec between beeps)

5 beeps:

CG ROM failure

(.5 sec. beep, .5 sec between beeps)

LQ-1500

1 beep:

BEL code

5 beeps: Paper End detected

5 beeps: Abnormal carriage movement

(.5 sec. pause between beeps)

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.

1 beep: BEL code

5 beeps: Abnormal voltage-

5 beeps: Abnormal carriage movement

(.5 sec. pause between beeps)

LQ-2500 LCD Codes:

00 Invalid ID request to CGROM

EEROM read/write error

LQ-2550

Abnormal carriage movement

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

Internal ROM check does not match. The versions may have been mixed.

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. 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.

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.

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

PSB NO.: P-0025

DATE: 8/01/88 PAGE: 1 of 2

SUBJECT: LQ-1500 QUESTIONS AND ANSWERS

The following are common questions and their answers:

While printing the LQ-1500 will intermittently lock up, reset,

or lose characters,

what is the cause of this?

The most probable cause of this is the solder joint on CN2 of

the UXPS board,

resoldering the connector will usually

alleviate the intermittent problem. Only Epson Authorized

Service Centers may perform any soldering on this product.

The LQ-1500 will not go into condensed print, what is wrong?

The printer is probably in LQ mode, the LQ-1500 will only

print condensed while in the draft mode.

Q. How do I get the LQ-1500 to print graphic characters, such as

those needed to use the line and box draw capabilities found

in many software packages?

In order for the LQ-1500 to print graphic characters the PC

Graphics Character Emulator kit (Product Code 7493) must be

installed.

The LQ-1500 uses IBM 5152 control codes with the

Emulator kit installed, so all software packages should have

the IBM 5152 printer driver selected. This Emulation kit is

not 100% compatible.

Q. There is a bank of 8 DIP switches located in the front of the

LQ-1500, what are these for?

Switches 1 through 7 are for the adjustment of print

alignment and should never be changed except by authorized

service personnel.

If switch 8 is on the cut sheet feeder

mode is enabled.

Q. How can you install both the 2.0 ROM Upgrade and the PC

Graphics Character Emulator kit in the LQ-1500?

The 2.0 ROM Upgrade can be installed in either the interface

board or the UXMCL board. If the PC Emulator kit is also

installed, it must go on the interface board and the 2.0 ROM

Upgrade must be installed in the UXMCL board.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

NUMBER:

P-0025

PAGE:

2 of 2

Q. Once the PC Graphics Character Emulator kit is installed how

is it enabled and disabled?

To enable the PC Emulator kit DIP switch 1-4 on the Interface

board must be turned on, to select the normal LQ-1500

operation DIP switch 1-4 must be turned off.

Q. What are the paper handling capabilities of the LQ-1500?

The LQ-1500 can handle the original sheet and up to three

no-carbon copies,

the total thickness of these sheets is not

to exceed 0.008 inches or 0.2 mm.

Q. What interfaces and options are available for the LQ-1500?

The following is a list of options available for the LQ-1500:

7351R

2.0 ROM Upgrade Kit

7493

IBM Emulation Kit

8753 Ribbon

Availability of options is subject to change without notice,

contact your nearest Sales Representative or Epson Accessory

Marketing for purchase.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

EPSON

EPSON AMERICA. INC.

SERVICE

RODUCT

UPPORT

ULLETIN

Date:

3/1/88

Subject:

Epson Printer/Ribbon Compatibility

Number: P-0013A

PURPOSE:

This list will assist in

ribbons to printers.

the correct matching

of Epson

The numbers listed below are the Epson part

numbers and can be used to order ribbons.

This list supercedes

PSB-013.

EAI #

7751

N/A

7753

N/A

7754

N/A

7756

N/A

7757

N/A

8750

ERC-04

8753

ERC-13

8755

ERC-08

8759

ERC-14

8760

ERC-16

8762

ERC-17

8763

N/A

8764

N/A

*Recommended for use when color is not required.

OEM # USAGE

ALL DX

LQ-500, LQ-800, LQ-850

LQ-1000, LQ-1050

LQ-2500 (

BLACK

)

LQ-2500 (COLOR)

ALL 80-COLUMN MX, RX, FX,

FX-86e,

LX-800, JX-80*

LQ-1500

ALL 136-COLUMN MX, RX, FX,

FX286e

JX-80 (COLOR)

P-80

LX-80, LX-86, LX-90, HW-10

EX-800/1000 (

BLACK

)

EX-800/1000 (COLOR)

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

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