Service manual

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CHAPTER 4 REPLACEMENT OF PARTS
I. PRECAUTIONS ON THE
REPLACEMENT OF PARTS............. 4-1
A. Maintenance tools........................ 4-2
II. PART REPLACEMENT
METHODS......................................... 4-3
A. Left side cover.............................. 4-3
B. Right side cover ........................... 4-4
C. Face-up tray................................. 4-5
D. Rear cover.................................... 4-6
E. LED assy/LED assy springs ........ 4-7
F. Control PCB ................................. 4-8
G. Print engine controller PCB.......... 4-9
H. Top cover assembly ................... 4-11
I. Top cover ................................... 4-12
J. Controller panel assy ................. 4-13
K. Board PRP/Top cover handle.... 4-14
L. Low-voltage power supply/
low-voltage fan/hopping
motor/fuser motor ...................... 4-15
M. Guide eject assy/color register
assy/board-PRY ........................ 4-16
N. Fan (fuser)/belt motor/high-voltage
power supply board/cover-open
switch ......................................... 4-18
O. MPT assy ................................... 4-19
P. Feeder unit/board-RSF/MPT
hopping roller/frame assy
separator/cover front ................. 4-20
Q. Board-PRZ lift-up motor/
solenoid/paper-end sensor ........ 4-21
R. Feed roller .................................. 4-23
S. Shaft eject assy(FU)/shaft
eject assy(FD)/eject sensor ....... 4-24
T. Fuser Unit................................... 4-25
U. Belt Unit...................................... 4-26
III. LUBRICATING POINTS.................. 4-27
CHAPTER 5 MAINTENANCE MENUS
I. SYSTEM MAINTENANCE MENU
(FOR MAINTENANCE
PERSONNEL) ................................... 5-1
II. MAINTENANCE UTILITY .................. 5-3
III. FUNCTIONS OF USER’S
MAINTENANCE MENU..................... 5-6
A. Maintenance menu (For end
users) ........................................... 5-6
B. Self-diagnostic mode.................... 5-7
IV. SETUP AFTER REPLACEMENT
OF PARTS....................................... 5-40
A. Precautions on the replacement
of engine control PCB ................ 5-40
B. Setup of EEPROM after
replacement of SP1/TBH
PCB............................................ 5-42
C. Setup of destination ................... 5-44
V. ABOUT THE MANUAL SETUP
OF PRINT DENSITY
ADJUSTMENT ................................ 5-45
CHAPTER 6 PERIODICAL MAINTENANCE
I. RECOMMENDED REPLACEMENT
PARTS............................................... 6-1
II. CLEANING ........................................ 6-1
III. CLEANING OF LED LENS
ARRAY .............................................. 6-1
IV. CLEANING OF PICKUP
ROLLERS.......................................... 6-3
V. INTERNAL CLEANING OF
PRINTER........................................... 6-4