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2K3/2L3
2-2-8
(5) Document processor (PWBs and sensors)
Figure 2-2-5 Document processor
1. DP main PWB (DPMPWB) ................... Consists the motor and clutch driver circuit and wiring relay cir-
cuit.
2. DP original size width sensor
(DPOWS) .............................................. Detects the width of the original.
3. DP LED PWB (DPLEDPWB) ................ Display the presence of the original.
4. DP original sensor (DPOS) ................... Detects the presence of an original.
5. DP original size length sensor
(DPOLS) ............................................... Detects the length of the original.
6. DP paper feed sensor (DPPFS)............ Detects a paper misfeed.
7. DP registration sensor (DPRS) ............. Controls the secondary paper feed start timing.
8. DP timing sensor (DPTS)...................... Detects the original scanning timing.
9. DP open/close sensor (DPOCS)........... Detects the opening/closing of the DP.
10. DP switchback sensor (DPSBS) ........... Detects the switchback guide in the home position.
11. DP interlock switch (DPILSW) .............. Shuts off 24 V DC power line when the dp top coveris opened.
List of correspondences of PWB names
No.
Name used in service manual
Name used in parts list
1
DP main PWB (DPMPWB)
PARTS PWB DRIVE ASSY SP
Machine inner
Machine front
Machine rear
3
1
2
4
5
6
7
8 9
10
11
Summary of Contents for 255b
Page 4: ...This page is intentionally left blank...
Page 10: ...This page is intentionally left blank...
Page 24: ...2K3 2L3 1 1 10 This page is intentionally left blank...
Page 162: ...2K3 2L3 1 4 38 This page is intentionally left blank...
Page 238: ...2K3 2L3 2 2 10 This page is intentionally left blank...
Page 281: ...Installation Guide Paper feeder Installation Guide...
Page 283: ...11 12 13 14 13 14 2010 9 303NN56710 8 9 10...
Page 284: ...Document finisher Installation Guide...
Page 286: ...8 6 7 9 5 8 10 2010 9 305JS56710 G F E Black White MFP 25 30 Color MFP 20 25 D C...
Page 287: ...FAX System U Installation Guide...
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