Epson AP-4000 Produkt-Support-Bulletin - Seite 3

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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

1 beep:

5 beeps:

LQ-2500 LCD Codes:

LQ-2550

1 beep:

3 beeps:

5 beeps:

LQ-2550 LCD Codes:

The font could not be found. The printer's internal program could not

00 (1)

find the target font.

Missing or damaged 7A ROM

(2)

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

or jumper J1 may be set incorrectly.

BEL code

Abnormal voltage-

Abnormal carriage movement

(.5 sec. pause between beeps)

Invalid ID request to CGROM

EEROM read/write error

Abnormal carriage movement

BEL code

Paper End detected

Abnormal carriage movement (.5 sec. pause between

beeps)

Platen Gap adjustment error (.5 sec. pause between

beeps)

Case open

PSB No: P-0076

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