HL-6050/6050D/6050DN SERVICE MANUAL
7-13
4. OTHER HIDDEN FUNCTION MENUS
4.1
Hidden Function Menus Enabled by Pressing Switch(es) When Turning the
Machine on
The following settings and function will be available by holding down the specified switch(es)
while turning the machine on.
Switch(es) Display
Description
Go DEMO
MODE=OFF*
DEMO MODE=ON
Enables and disables DEMO MODE. If
this function is ON (default setting), the
user can set a printer to work as a demo
machine. It turns OFF automatically
when the printing data is sent to the
printer.
Reprint
Continuously print the test pattern sheet.
–
HEX DUMP MODE
Hex dump mode. Printer reset is
needed to exit this function.
You can print data as hexadecimal
code.
+
Version check
Set
Clears NVRAM.
This function is not normally used.
Set & Back
Rewrites the data on the ROM.
Go & +
DRAM CHECK START
Checks DRAM.
Go & Back
Printer starts by skipping the following
functions:
1) Rewriting the data on the Flash Rom
by using the CompactFlash Card
2) Clearing the NVRAM by using the
CompactFlash Card
– & +
LINE TEST
LT MX DX
Printer test mode.
DO NOT USE.
– & Set
HIGHVOLT CHECKER
Checks the high-voltage power supply.
DO NOT USE.
Go & Set
GO TEST MODE
Cancellation of E50 (FUSER MULF)