CONTENTS
3 DIS./ASSEMBLY1 OUTLINE3 DIS./ASSEMBLY2 UNIT EXPLANATION3 DIS./ASSEMBLY3 DIS./ASSEMBLY
MODEL MANUAL REVISED EDITION DATE PAGE METHOD
SERVICE MANUAL Dec. 2003
7155/7165/7255/7272
-REPLACEMENT
4
ADU UNIT..............................................................3-N-1
[1] Drawing out and Reinstalling
the ADU Stand........................................3-N-1
[2] Cleaning the Paper Dust
Removing Brush.....................................3-N-1
[3] Cleaning the Paper Mis-centering PS
(PS70)/Leading Edge PS (PS43) ...........3-N-2
[4] Removing and Reinstalling the
Registration MC (MC1)...........................3-N-2
[5] Removing and Reinstalling the Second
Paper Feed Unit ................................ 3-N-3-1
[6] Cleaning the Registration PS (PS44) .....3-N-4
[7] Removing and Reinstalling the
Registration Roller..................................3-N-5
[8] Removing and Reinstalling the
Pre-transfer Roller..................................3-N-6
[9] Cleaning the ADU Paper Reverse
PS (PS45)/Reverse/Exit PS (PS46) .......3-N-7
[10] Removing and Reinstalling the ADU
Reverse Roller........................................3-N-9
[11] Removing and Reinstalling
the ADU Stand......................................3-N-10
[12] Removing and Reinstalling the Pre-
registration Roller .................................3-N-11
[13] Removing and Reinstalling the ADU
Conveyance Roller 3 and 4..................3-N-12
[14] Removing and Reinstalling the ADU
Conveyanece Roller 1 and 2................3-N-15
[15] Removing and Reinstalling the Paper
Reverse/Exit Roller...............................3-N-17
FIXING UNIT ........................................................ 3-O-1
[1] Removing and Reinstalling
the Fixing Unit........................................ 3-O-1
[2] Removing and Reinstalling
the Fixing Unit (Top).............................. 3-O-1
[3] Removing and Reinstalling
the Web Cover....................................... 3-O-2
[4] Removing and Reinstalling
the Cleaning Web.................................. 3-O-2
[5] Replacing the Fixing Heater
Lamps (L2, L3) ...................................... 3-O-3
[6] Replacing the Fixing Heater
Lamp(L4)............................................... 3-O-4
[7] Removing and Reinstalling the Fixing
Separation Claw (Upper) Unit and Fixing
Separation Claws (Upper) ..................... 3-O-5
[8] Removing and Reinstalling the Fixing
Separation Claw (Lower) Unit and Fixing
Separation Claws (Lower) ..................... 3-O-6
[9] Removing and Reinstalling the Fixing
Upper Roller and Fixing Drive Gear ...... 3-O-7
[10] Removing and Reinstalling the Fixing
Lower Roller .......................................... 3-O-8
[11] Removing and Reinstalling
the Decurler........................................... 3-O-8
[12] Removing and Reinstalling the Fixing
Temperature Sensors 1 and 2 ...............3-O-9
[13] Removing and Reinstalling the
Thermostat (TS1).................................3-O-11
[14] Removing and Reinstalling the
Thermostat (TS2).................................3-O-12
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