Mita PointSource Ai 5555 - Page 10

CONTENTS
TONER SUPPLY UNIT ........................................... 2-J-1
[1] Composition ................................................ 2-J-1
[2] Mechanisms................................................ 2-J-1
[3] Disassembly and Re-assembly................... 2-J-2
[4] Toner Level Detection Control .................... 2-J-3
CLEANING/TONER RECYCLE UNIT .....................2-K-1
[1] Composition ................................................2-K-1
[2] Mechanisms................................................2-K-1
[3] Disassembly and Re-assembly................... 2-K-1
[4] MC10 (cleaner) Control............................... 2-K-4
PAPER FEED UNIT ................................................ 2-L-1
[1] Composition ................................................ 2-L-1
[2] Mechanisms................................................ 2-L-1
[3] Disassembly and Re-assembly................... 2-L-3
[4] Paper Feed Control................................... 2-L-14
[5] Paper Up-down Control ............................ 2-L-16
[6] Paper Size Detection Control.................... 2-L-17
[7] No Paper Detection Control ...................... 2-L-19
LCT-1000 TRAY PAPER FEED/CONVEYANCE
SECTION ............................................................... 2-M-1
[1] Composition ............................................... 2-M-1
[2] Mechanisms............................................... 2-M-1
[3] Disassembly and Re-assembly.................. 2-M-2
[4] 1000 Tray Paper Feed/No Paper
Detection Control ....................................... 2-M-5
LCT-1500 TRAY PAPER FEED/CONVEYANCE
SECTION ............................................................... 2-N-1
[1] Composition ............................................... 2-N-1
[2] Mechanisms............................................... 2-N-1
[3] Disassembly and Re-assembly.................. 2-N-2
[4] 1500 Tray Paper Feed/No Paper
Detection Control ....................................... 2-N-5
LCT PAPER TRAY SECTION................................ 2-O-1
[1] Composition ............................................... 2-O-1
[2] Mechanisms............................................... 2-O-1
[3] Disassembly and Re-assembly.................. 2-O-2
[4] Tray Up-down Control................................ 2-O-5
ADU PAPER EXIT/CONVEYANCE SECTION .......2-P-1
[1] Composition ................................................2-P-1
[2] Mechanisms................................................2-P-1
[3] Disassembly and Re-assembly................... 2-P-2
[4] Selector Guide ............................................2-P-3
[5] ADU Cooling Fan Control ...........................2-P-4
ADU PAPER FEED/CONVEYANCE SECTION..... 2-Q-1
[1] Composition ............................................... 2-Q-1
[2] Mechanisms............................................... 2-Q-1
[3] Disassembly and Assembly ....................... 2-Q-3
[4] Paper Feed/Reversal Control .................... 2-Q-7
[5] Conveyance Control .................................. 2-Q-8
CONVEYANCE SECTION ..................................... 2-R-1
[1] Composition ............................................... 2-R-1
[2] Mechanisms............................................... 2-R-1
[3] Disassembly and Re-assembly.................. 2-R-2
[4] FM14 (conveyance suction) Control .......... 2-R-4
[5] SD5 (conveyance) Control......................... 2-R-4
FIXING UNIT ...........................................................2-S-1
[1] Composition ................................................2-S-1
[2] Mechanisms................................................2-S-1
[3] Disassembly and Re-assembly................... 2-S-2
[4] Fixing Temperature Control ......................2-S-13
OTHER KINDS OF CONTROL ............................... 2-T-1
[1] Parts Through Which Current Flows
When the Main Switch is Turned OFF ........ 2-T-1
[2] Parts That Operate When the Main
Switch is Turned ON ................................... 2-T-1
[3] Cooling Fan Control .................................... 2-T-2
[4] Operation Panel Control ............................. 2-T-4
[5] Counter Control........................................... 2-T-5
[6] Option Control............................................. 2-T-6
3. DIAGRAMS
ELECTRICAL PARTS LAYOUT DRAWING .............. 3-1
CONNECTOR LAYOUT DRAWING .......................... 3-4
OVERALL WIRING DIAGRAM................................... 3-7
JAM LIST.................................................................. 3-11
[1] Paper Jam ..................................................... 3-11
[2] Trouble codes ................................................ 3-20
LIST OF UNPLUGGED CONNECTOR
(REFERENCE ONLY) .............................................. 3-28
[1] Paper Jamming.............................................. 3-28
[2] Trouble codes ................................................ 3-29
[3] Others ............................................................ 3-30
CONTROL BOARD CIRCUIT DIAGRAM................. 3-31
OPERATION BOARD/1 CIRCUIT DIAGRAM .......... 3-48
OPERATION BOARD/2 CIRCUIT DIAGRAM .......... 3-51
OPERATION BOARD/3 CIRCUIT DIAGRAM .......... 3-52
DRUM BOARD CIRCUIT DIAGRAM ....................... 3-52
TONER CONTROL SENSOR BOARD
CIRCUIT DIAGRAM ................................................. 3-53
TIMING CHART (A4/8
1
/
2
" × 11", LIFE SIZE, TWO
COPIES, UPPER PAPER FEED) ............................ 3-54
ADU TIMING CHART (A4/8
1
/
2
" × 11", TWO
ORIGINALS, TWO SHEETS SET) ........................... 3-55
CONTENTS-1