Epson LQ-2550 - Impact Printer Product Support Bulletin page 6

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 Jl may be set incorrectly.
1 beep:
5 beeps:
5 beeps:
LQ-2500 LCD Codes:
00
03
10
1 beep:
3 beeps:
5 beeps:
5 beeps:
5 beeps:
The font could not be found. The printer's internal program could not
00
find the target font.
Missing or damaged 7A ROM
02 Internal ROM check does not match. The versions may have been mixed.
BEL code
Abnormal voltage-
Abnormal carriage movement
Invalid ID request to CGROM
EEROM read/write error
Abnormal carriage movement
BEL code
Paper End detected
Abnormal carriage movement (.5 sec. pause between
Platen Gap adjustment error (.5 sec. pause between
beeps)
Case open
PSB No: P-0076
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