Brother HL-7050 Service Manual page 294

CHAPTER 7 HIDDEN FUNCTIONS
4.2 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
PARTS' in CHAPTER 5
Title
RESET PARTS LIFE
for more information about the periodical replacement parts.
Subtitle Description
PF KITMP
Initializes the counter of the paper feeding kit
to zero.
PF KIT1
PF kit MP/1/2/3/4 = PF kit for MP Tray/Tray
PF KIT2
1/Tray 2/Tray 3/Tray 4.
PF KIT3
PF KIT4
FUSER UNIT
Initializes the counter of the fixing unit to zero.
LASER UNIT
Initializes the counter of the laser unit to zero.
DRUM UNIT
Initializes the counter of the drum unit to zero.
7-14
subsection 2 'PERIODICAL REPLACEMENT