CHAPTER 7 HIDDEN FUNCTIONS
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=ON*
DEMO MODE=OFF
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.
Back LANG.=ENGLISH*
……
Selects a local language for display.
– HEX DUMP MODE
Hex dump mode. Printer reset is
needed to exit this function.
+
Displays information about program/font
ROMs by pressing ”Set” switch.
Set
Clear NVRAM.
This function is not normally used.
Go & + DRAM CHECK MODE
Check DRAM.
Go & Set GO TEST MODE
Enters the inspection mode. See
section 9. ‘Inspection Mode’ in
CHAPTER 6.
– & + LINE TEST MODE Printer test mode. For factory use.
– & Set with
cover open
ZLH HV CHECK For factory use.
4.2 Drum Life Reset Function
This function is used by the user when changing the new drum unit to clear the drum life
counter.
To operate this function, hold down the “Go” switch while the front cover (process unit cover)
is open until the message “>>>>DRUM CLEAR” appears on the LCD display.
4.3 Parts Life Reset Function
This function is used by service specialists only when changing the periodical replacement
parts to clear the life counter.
To operate this function, press the “Go” and “+” switches together until the menu “RESET
PARTS LIFE” appears on the LCD display. Select the required item (part name) using the
“+/– “ switches, then press the “Set” switch. See subsection 2. ‘PERIODICAL
REPLACEMENT PARTS’ in CHAPTER 5 for more information about the periodical
replacement parts.
PR2001022
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