22 December 1998
INITIALIZATION
2-1
Detailed
Descriptions
2. DETAILED SECTION DESCRIPTIONS
2.1 INITIALIZATION
Power on
Is the memory OK?
User Level: System error
Service Level: Memory error
Initialize the I/O port, E
2
P R O M ,
IPU, and memory controller
Yes
Turn on the lamp
Is the
home position check
O K ?
Home position error
Scan the white plate
Lamp error
Has the
initialization procedure been
tried three times?
Are the
ADF or the document feeder
cover closed?
ADF open error
Is any
one of the feed, read, or feed-
out sensors on?
Paper jam
Is there
any paper on the document
table?
Is the document
table working properly?
Document table error
Detects document
Initialize the scanner motor
Y e s
1
2
3
4
5
6
7
8
9
1 1
1 2
1 3
1 4
Yes
No
N o
N o
N o
N o
Y e s
N o
N o
Adjust the black level
Endorser motor turns on for 0.1s
1 0
Yes
Yes
Were there any
shading, or lamp, errors?
Is the
white level within specified
value?
User Level: System error
Service Level: Memory error
Use the default value of the white
and black levels
Y e s
No
No
R E A D Y
Yes
Yes
G411D503.WMF
