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6.5
Maintenance Tool
6.5.1 Self test printing
The SELF TEST button prints a setup report page which summarizes printer option settings. It can be used to easily
check the electrical and mechanical states of the printer without the help of a computer. It also distinguishes
between printer and computer errors, and confirms correct operation after an error recovery. The PRINT FONT
button can be used instead. It prints font report pages which list all available fonts.
6.6
Recommended Spare Parts
The following parts can be replaced.
(1)
Operator panel (control panel)
(2)
Power board
100 to 120 VAC
220 to 240 VAC
(3)
HV board (high-voltage power supply board)
(4)
HR unit (heat roller unit/fuser unit)
(5)
WD98AA (driver board)
(6)
LD unit (laser diode unit)
(7)
DCV01AA
(8)
ROM board SK (controller board and ROM)
(9)
Fan
(10) DCH LED unit (for discharging drum)
(11) Roller P. ASY (pick-up roller for paper tray)
(12) PSS board ASY (paper size sensor)
(13) P. motor ASY (pick-up roller drive)
(14) Stepping motor (feed roller drive)
(15) Motor ASY (duplex drive)
(16) M. motor ASY (print unit drive/main motor)
(17) Switch ASY (cover open)
(18) Switch ASY1 (for eject unit)
(19) Switch ASY (MFF plate position detect)
(20) S. pad holder (separator for paper tray)
(21) Photosensor (eject/reverse sensor)
(22) Pick guide ASY (for MFF pick)
(23) TS ASY (toner sensor)
(24) Feed roller (register roller + sheet)
(25) Roller ASY (eject/reverse roller)
(26) Photosensor ASY (MFF paper empty)
(27) Roller ASY (MFF pick roller)
(28) TRCG unit (transfer charger)
(29) Ozone filter
(30) SFS ASY (stacker-full sensor)
6-2
(31) Roller ASY (eject/reverse roller)
(32) Side cover L
(33) Side cover R
(34) Cleaning pad
(35) Rear guide
(36) RC pad
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