2KR/2KS
2-2-3
(2) Switches and sensors
Figure 2-2-2 Switches and sensors
1. Main power switch (MSW) ........................... Turns the AC power on and off.
2. Interlock switch (ILSW) ................................ Turns the AC power for the fuser heaters on and off.
3. Safety switch 1 (SSW1) ............................... Breaks the safety circuit when the left cover 1 is opened.
4. Safety switch 2 (SSW2) ............................... Breaks the safety circuit when the front cover is opened.
5. Paper switch 1 (PSW1)................................ Detects the presence of paper in cassette 1.
6. Paper switch 2 (PSW2)................................ Detects the presence of paper in cassette 2.
7. Lift switch 1 (LSW1) ..................................... Detects lift reaching the upper limit in cassette 1.
8. Lift switch 2 (LSW2) ..................................... Detects lift reaching the upper limit in cassette 2.
9. Paper size length switch 1 (PLSW1) ........... Detects the length of paper in the cassette 1.
10. Paper size length switch 2 (PLSW2)............ Detects the length of paper in the cassette 2.
11. Paper size width switch 1 (PWSW1)............ Detects the width of paper in the cassette 1.
12. Paper size width switch 2 (PWSW2)............ Detects the width of paper in the cassette 2.
13. MP paper switch (MPPSW) ......................... Detects the presence of paper on the MP tray.
14. MP paper size length switch (MPPLSW) ..... Detects the length of paper on the MP tray.
15. MP paper size width switch (MPPWSW) ..... Detects the width of paper on the MP tray.
16. Feed switch 1 (FSW1) ................................. Detects a paper misfeed in the paper cassette paper feed section.
17. Feed switch 2 (FSW2) ................................. Detects a paper misfeed in the paper cassette paper feed section.
18. Feed switch 3 (FSW3) ................................. Detects a paper misfeed in the paper cassette paper feed section.
19. MP feed switch (MPFSW)............................ Detects a paper misfeed in the MP tray paper feed section.
20. Home position switch (HPSW)..................... Detects the optical system in the home position.
Machine front
Machine inside
Machine rear
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Summary of Contents for TASKalfa 420i
Page 1: ...SERVICE MANUAL Published in May 2010 842KS113 2KSSM063 Rev 3 TASKalfa 420i TASKalfa 520i ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 14: ...2KR 2KS This page is intentionally left blank ...
Page 224: ...2KR 2KS 1 4 66 This page is intentionally left blank ...
Page 328: ...2KR 2KS 2 3 30 This page is intentionally left blank ...
Page 371: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Page 381: ...INSTALLATION GUIDE FOR 3000 SHEETS PAPER FEEDER ...
Page 436: ...INSTALLATION GUIDE FOR CENTER FOLDING UNIT ...
Page 450: ...INSTALLATION GUIDE FOR MAILBOX ...
Page 458: ...INSTALLATION GUIDE FOR HOLE PUNCH UNIT ...
Page 470: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Page 483: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Page 491: ...INSTALLATION GUIDE FOR FAX System ...
Page 507: ......
Page 508: ......