Confidential
2-49
â– Error Code A300
Document detection sensor detects that document is pulled out during document
scanning. Or, the document scanning position sensor cannot detect document
within specified time.
< User Check >
- Remove the jammed document.
â– Error Code A400
ADF cover sensor detects that ADF cover is open.
< User Check >
- Close the ADF cover.
â– Error Code A700
Type of CIS unit and CIS type input value does not match.
Step Cause Solution
1 Foreign materials in the
document feeding path
Remove foreign materials.
2 Document detection actuator
caught on the surrounding
parts
Set the document detection actuator into place.
3 Document scanning position
actuator out of place
Set the document scanning position actuator
into place.
4 Document scanning position
sensor harness connection
failure
Reconnect the document scanning position
sensor harness.
5 Document scanning position
sensor defective
Replace the document scanning position
sensor PCB.
6 Document pick-up roller worn
out
Replace the document separation roller ASSY.
7 ADF motor defective Replace the ADF unit.
8 Main PCB defective Replace the main PCB.
Step Cause Solution
1 ADF cover sensor harness
connection failure
Reconnect the ADF cover sensor harness.
2 ADF cover boss broken Replace the ADF cover.
3 ADF cover sensor defective Replace the ADF unit.
4 Main PCB defective Replace the main PCB.
Step Cause Solution
1 First side or second side CIS
type input value error
Automatically identify the first side or second
side CIS type input value.
(refer to Chapter 5, Section 1.3.18 "Checking of
CIS Travel and Specifying of CIS Type
(Maintenance mode 59)")
2 Main PCB defective Replace the main PCB.
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