Service Mode; Hexadecimal Dump Mode; Eeprom Format; Table 1-13. Main Controller Board Default Paper Size Setting - Epson EPL-N1200 Service Manual

EPL-N1200 Service Manual

1.4.3 Service Mode

This printer has the following three service modes:

Hexadecimal Dump Mode

EEPROM Format

Error Recovery
1.4.3.1 Hexadecimal Dump Mode
Hexadecimal dump mode is a useful tool for troubleshooting data control problems. To enter
hexadecimal dump mode, turn on the printer while holding down the Form Feed button until
" HEX Dump Mode
......." is displayed.
To exit the hexadecimal dump mode, executing warm boot by resetting or turning printer power off,
waiting a few seconds, then turning it on again.
1.4.3.2 EEPROM Format
EEPROM format operation is required only when the main controller board (C205 MAIN board) or
EEPROM is replaced and these operations are specified in the accompanying documentation.
EEPROM format functions (default paper size (A4 or letter), toner counter, page counter, jam
counter, and panel settings) are all stored in memory.
Default Factory Setting
Defaults for EEPROM format functions can be written to EEPROM as follows:
Turn on the printer while holding down the On Line, Reset, and Menu buttons until
" Format Nvram" is displayed.
This function :
* Clears the page counter
* Clears the paper jamcounter
* Writes the factory default setting. The destination is identified by the jumper setteing on the main
controller board. Refer to Table 1-13..

Table 1-13. Main Controller Board Default Paper Size Setting

Jumper Address
J4
^
Clear Page Counter to 0
Clears EEPROM page counter to 0 by turning the printer while holding down the On Line, Menu,
and Item buttons until " PCOUNT CLEAR" is displayed.
Rev. A
Setting
Close pin 1 and pin 2
Open pin 1 and pin2
Fcatory Default
Paper Size
A4
Letter
General Description
Market
Eurpoe, Asia, and
Oceania
North America
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