Epson EPL-N1200 Service Manual - Page 41

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

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EPL-N1200 Service Manual General Description 1.4.3 Service Mode This printer has the following three service modes: s Hexadecimal Dump Mode s EEPROM Format s 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 ^ Setting Fcatory Default Paper Size Close pin 1 and pin 2 A4 Open pin 1 and pin2 Letter Market Eurpoe, Asia, and Oceania North America 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 1-29

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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
Setting
Fcatory Default
Paper Size
Market
J4
Close pin 1 and pin 2
A4
Eurpoe, Asia, and
Oceania
^
Open pin 1 and pin2
Letter
North America
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.
EPL-N1200 Service Manual
General Description
Rev. A
1-29