Service manual

SAFETYANDIMPORT A NTW ARNINGITEMS . . . . S-1
IMPORTANTNOTICE . . . . . . . . . . . . . . . . . S-1
DANGER,WARNING,ANDCAUTION
SYMBOLSANDEXPRESSIONS . .S-1
SAFETYWARNINGS . . . . . . . . . . . . . . . . . . S-2
SAFETYINFO RMATIO N . . . . . . . . . . . . . . . . . S-9
IMPORTANTINFORMATION . . . . . . . . . . . S-9
SAFETYCIRCUITS . . . . . . . . . . . . . . . . . . .S-10
INDICATIONOFWARNINGONTHE
MACHINE
. . .S-12
CONTENTS
CONTENTS
3 DIS./ASSEMBLY1 OUTLINE2 UNIT EXPLANATION
1.OUTLINE
OUTLINE OF SYSTEM .............................................1-1
PRODUCT SPECIFICATIONS..................................1-2
CENTER CROSS-SECTIONAL VIEW ......................1-4
DRIVE SYSTEM DIAGRAM ......................................1-5
[1] Main Drive Section .....................................1-5
[2] Drum Drive Section ....................................1-6
[3] Developing Drive Section...........................1-7
[4] Paper Feed Drive Section ..........................1-7
[5] Tray 1 and 2 Paper Feed Drive Section .....1-8
[6] Tray 3 Paper Feed Drive Section ...............1-9
[7] Vertical Conveyance Drive Section..........1-10
[8] By-pass Paper Feed Drive Section ..........1-11
[9] Conveyance/Transfer and Separation
Wire Cleaning Drive Section ....................1-12
[10] ADU Conveyance Drive Section ..............1-13
[11] Paper Exit Drive Section ..........................1-14
[12] Toner Supply Drive section ......................1-14
[13] Optics Drive Section.................................1-15
[14] Web Drive Section....................................1-16
2.UNIT EXPLANATION
EXTERNAL SECTION...........................................2-A-1
[1] Composition ...........................................2-A-1
DRIVE SECTION...................................................2-B-1
[1] Composition ...........................................2-B-1
[2] Mechanisms ...........................................2-B-1
[3] M1 (Main) Control...................................2-B-2
[4] M2 (Drum) Control..................................2-B-2
READ SECTION....................................................2-C-1
[1] Composition ...........................................2-C-1
[2] Mechanisms ...........................................2-C-1
[3] M13 (Scanner Drive) Control..................2-C-2
[4] Exposure control ....................................2-C-4
[5] Original Read Control.............................2-C-5
[6] APS Control............................................2-C-5
[7] AE Control..............................................2-C-7
WRITE UNIT..........................................................2-D-1
[1] Composition ...........................................2-D-1
[2] Mechanisms ...........................................2-D-1
[3] M17 (Polygon) Control ...........................2-D-2
[4] Image Write Control ...............................2-D-4
DRUM UNIT...........................................................2-E-1
[1] Composition ...........................................2-E-1
[2] Mechanisms ...........................................2-E-1
[3] Separation Claw Control ........................2-E-2
[4] Paper Guide Plate Control .....................2-E-2
[5] Drum Potential Control...........................2-E-3
CORONA UNIT SECTION..................................... 2-F-1
[1] Composition ........................................... 2-F-1
[2] Mechanisms ........................................... 2-F-1
[3] Charging Control ....................................2-F-2
[4] Transfer/Separation Control...................2-F-3
[5] M23 (Charger Cleaning) Control ............ 2-F-4
[6] M18 (Transfer/Separation Cleaning)
Control....................................................2-F-5
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