Completely blank
All black
<User Check>
• Check that the document is not reversed.
Step
Cause
Remedy
1
Incorrect white level
correction data
Execute “Acquire white level data (Function
code 55)”.
2
First or second side CIS flat
cable failure
Replace the first or second side CIS flat
cable.
3
First or second side CIS unit
failure
Replace the first or second side CIS unit.
4
Main PCB failure
Replace the main PCB ASSY.
<User Check>
• Install all the latest firmwares.
Step
Cause
Remedy
1
Incorrect white level
correction data
Execute “Acquire white level data (Function
code 55)”.
2
First or second side CIS flat
cable failure
Replace the first or second side CIS flat
cable.
3
First or second side CIS unit
failure
Replace the first or second side CIS unit.
4
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for DCP-7090
Page 28: ...2 10 Confidential MP models Fig 2 6 Feed from MP tray Eject to back side Back side Front side ...
Page 29: ...2 11 Confidential 2 2 2 Scanner part Fig 2 7 Document feed path ...
Page 64: ...2 PACKING Fig 3 1 Option carton Carton Polystyrene pad ASSY Spacer carton Option carton TBOX ...
Page 106: ... Print adjustment test pattern Fig 5 11 ...
Page 111: ... Test pattern Fig 5 19 ...
Page 114: ......