Technical information

1, EXTERNALS .......................................... 4-f
A. Externa1 Covers ............................... 4-I
B. Control Panel
...................................
4-5
C. Copyboard Cover ............................. 4-5
D. Fans ................................................. 4-5
II. DRIVE SVSTEM ....................................
4-7
A. Lens Drive Unit ................................ 4-7
B. Scanner Drive Unit ........................... 4-9
C. Main Motor Unit ................................ 4-12
III. FEEDSVSTEM ....................................... 4-13
A. Pi&Up Unit ..................................... 4-13
B. Feeder Unit ...................................... 4-16
IV. EXPOSURE SYSTEM . ..____._..._______....,.,, 4-18
A. Illuminating Unit ___...._._._._._.___.........,, 4-18
B. Blank Exposure Unit . . . . . . . . . . . . . . . 4-19
v. CORONA SVSTEM _.......___.___.._._..........., 4-21
A. Drum Unit . . . .._................................... 4-21
B. Primarv and Transfer
Coroná Units . . . . . . . . . . . . . . . . . . . . .
4-22
VI. DEVELOPMENT SVSTEM _..__._..........,.. 4-25
A. Developing Assembly
. . . . . . . . . ..__.. 4-25
VII. FIXING SVSTEM . . . . . . . . . . . . . . . . . . . .
4-28
A. Fixing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-28
LOCATION
.............................................
5-I
E. Checking the Image ......................... 5-7
UNPACKING AND INSTALLING
III. SETTING THE CASSElTE SIZE .......... 5-8
THE COPIER ......................................... 5-2
IV. SEnlNG THE CT UNIT ........................ 5-13
A. Unpacking ........................................ 5-2
V. RELOCATING THE COPIER ................. 5-14
B. Mounting the Dium .......................... 5-4a
VI. SETTING CONTROL CARD V .............. 5-15
C. Checking the Operation ................... 5-5
VII. ATTACHING THE DOCUMENT
D. Adding Toner ................................... 5-6
HOLDER ................................................ 5-I 7
1. PERIODICALLV REPLACED PARTS.... 6-1
III. PERIODICAL SERVICING ___....._____...._., 6-3
ll. CONSUMABLES <.<,...___.......................... 6-2
IV. PERIODICAL SERVICING CHART .,,.._, 6-4
1.
2.
3.
4.
5.
6.
7.
GENERAL TIMING CHAR-r.. ................. A-l
8. DC POWER SUPPLV FOR OPTIONS .. A-27
SIGNALSAND ABBREVIATIONS .......... A-3
9. ADJUSTING PCB .................................. A-28
GENERAL CIRCUIT DIAGRAM ............. A-5
10. PRE-EXPOSURE LAMP ........................ A-29
WIRING DIAGRAM ................................ A-6
11. AE SENSOR .......................................... A-30
DC CONTROLLER PCB ........................ A-ll
12. HVT ........................................................ A-31
MOTOR DRIVE PCB ............................. A-25
13. LIST OF SPECIAL TOOLS .................... A-33
DC POWER SUPPLV PCB .._....<......... A-26
14. LIST OF SOLVENT AND MATERIAL A-34
COPYAIGHT G 1992 CANOH IHC.
CANON NP2120/2MO RB.1 OEC. 1992 PRINTEO IH JAPAN IIMPAIME AU JAPONI