CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-59
6.2.5 Sensors (2/3)
•
Printer Unit (2/3)
Electrical signal (target)
Reference to general I/O address
Remarks
Name
circuit diagram
I/O indication
PS8 (DC-CON)
A3-20-M
P015-1
Cassette 2 re-try paper sensor
1: present, 0: absent
(paper)
PS9 (DC-CON)
A3-16-N
P015-2
Pre-registration paper sensor
1: present, 0: absent
(paper)
PS10 (DC-CON)
A3-16-N
P015-3
Registration paper sensor
1: present, 0: absent
(paper)
PS11 (DC-CON)
A3-16-N
P015-4
Horizontal registration
0: present,1: absent
(paper)
paper sensor
PS12 (DC-CON)
A3-16-I
P025-7
Image leading edge sensor
1: present, 0: absent
(paper)
PS13 (DC-CON)
A3-8-J
P015-5
Fixing/feeding sensor
0: present,1: absent
(paper)
PS15 (DC-CON)
A3-8-N
P015-6
No. 1 delivery sensor
1: present, 0: absent
(paper)
PS16 (DC-CON)
A3-9-N
P015-7
No. 1 delivery full sensor
1: present, 0: absent
(paper)
PS17 (DC-CON)
A3-7-N
P016-0
Duplex unit inlet paper sensor
0: present,1: absent
(paper)
PS18 (DC-CON)
A3-7-N
P016-1
Duplex unit outlet paper sensor
0: present,1: absent
(paper)
PS22 (DC-CON)
A3-15-N
P016-5
Multifeeder paper sensor
0: present,1: absent
(paper)
PS23 (DC-CON)
A3-15-N
P016-6
Right cover open/closed sensor
1: open, 0: closed
PS26 (DC-CON)
A3-8-J
P021-0
Fixing film sensor
S1 (DC-CON)
A3-18-N
P008-0
Toner sensor
1: present, 0: absent
(toner)
S2 (DC-CON)
A3-6-I
P008-2
Waste toner case full sensor
1: full
(waste toner)
S3 (DC-CON)
A3-17-N
P023-4, P33
(humidity)
Environment sensor
A/D
P023-5, P34
(room temperature)
A/D