Dell 1600n Multifunction Mono Laser Printer Service Manual - Page 68

Copy & Scan Document Path, Printer Paper Path

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Alignment & Adjustments 6.1.1 Copy & Scan Document Path Scanner Part 3 2 1 5 4 7 6 White-Sheet 8 CCD-Module 1 Doc. Paper (50 Sheets) 2 Pickup Roller 3 ADF Roller 4 Sensor - Doc. 5 Sensor - Regi 6 Sensor - Scan 7 Feed Roller 8 Exit Roller 6.1.2 Printer Paper Path 1) After receiving print job, the printer feeds the printing paper from the cassette or manual feeder. 2) The fed paper passes the paper feeding sensor. (Jam 0 occurs if the sensor is not operated after certain time passes) 3) The paper passed the paper feeding sensor moves to the paper exit sensor via printing process. (Jam 1 occurs if the sensor is not operated after certain time passes) 4) The paper passed the paper exit sensor moves out from the set. (Jam 2 occurs sometime after if the tail- ing edge of the paper has not exited out from the set after the leading edge of paper passes the paper exit sensor.) Engine Part 3 Fuser 7 PR 1 L S U CR Toner Cartridge DR OPC SR 2 6 PTL TR FR 4 K /R 5 P IC 1 Paper Input (Cassette) 2 Paper Input (Manual Feeder) 3 Paper Out (Face Down) 4 Paper Empty Sensor (Manual) 6-2 Service Manual 5 Paper Empty Sensor (Cassette) 6 Paper Feeding Sensor 7 Paper Exit Sensor

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Service Manual
Alignment & Adjustments
6-2
6.1.1
Copy & Scan Document Path
6.1.2
Printer Paper Path
1) After receiving print job, the printer feeds the printing paper from the cassette or manual feeder.
2) The fed paper passes the paper feeding sensor. (Jam 0 occurs if the sensor is not operated after certain
time passes)
3) The paper passed the paper feeding sensor moves to the paper exit sensor via printing process.
(Jam 1
occurs if the sensor is not operated after certain time passes)
4) The paper passed the paper exit sensor moves out from the set. (Jam 2 occurs sometime after if the tail-
ing edge of the paper has not exited out from the set after the leading edge of paper passes the paper
exit sensor.)
Scanner Part
CCD-Module
White-Sheet
White-Sheet
1
2
3
4
8
5
6
7
5
6
7
Sensor - Scan
Sensor - Regi
Feed Roller
8
Exit Roller
1
2
3
4
Doc. Paper (50 Sheets)
Pickup Roller
ADF Roller
Sensor - Doc.
Engine Part
1
2
3
4
Paper Input (Cassette)
Paper Input (Manual Feeder)
Paper Out (Face Down)
5
6
7
Paper Empty Sensor (Cassette)
Paper Feeding Sensor
Paper Exit Sensor
Paper Empty Sensor (Manual)
PTL
P
I
C
K
/
R
PR
CR
DR
SR
TR
FR
OPC
L S U
Fuser
Toner Cartridge
1
2
3
4
5
6
7