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2-14
Service Manual
4036-307, -308
Display panel remains blank
Frequent paper jam, double feed, or skew
Image does not appear
Step
Action and Question
Yes
No
1
Check the display cable.
1. See
“Control panel assembly removal” on page 4-
24
to locate the display cable.
2. Disconnect and reconnect the display cable
connection (A).
3. Reassemble the scanner and power it on.
Is the display panel still blank?
Go to step 2
Done
2
Replace the display panel assembly.
Is the display panel still blank?
Replace the
keypad board
Done
Step
Action and Question
Yes
No
1
Is the paper correctly set in the tray?
Go to step 2
Properly position paper in
document feeder
2
Is the specified paper used?
Go to step 3
Use correct feeder
3
Is the pick pad damaged?
Replace pick pad
Go to step 4
4
Is the pick roller damaged or worn?
Replace paper feed
assembly
Replace pick roller assembly
Step
Action and Question
Yes
No
1
Are you placing the original on the
flatbed?
Go to step 2
Go to step 3
2
Is the flatbed CCD cable connected?
Replace the scanner control
board
Connect cable
3
Is the ADF cover open?
Close the cover
Go to step 4
4
Is the ADF/CCD data cable connected?
Replace the ADF optical unit
Connect cable and
tighten screws
Summary of Contents for 4036-307
Page 14: ...1 4 Service Manual 4036 307 308...
Page 42: ...2 28 Service Manual 4036 307 308 Sample screen two...
Page 62: ...3 16 Service Manual 4036 307 308...
Page 106: ...4 44 Service Manual 4036 307 308...
Page 108: ...5 2 Service Manual 4036 307 308 Internal Components...
Page 118: ...5 12 Service Manual 4036 307 308...
Page 120: ...6 2 Service Manual 4036 307 308...
Page 122: ...7 2 Service Manual 4036 307 308 Assembly 1 ADF assembly...
Page 124: ...7 4 Service Manual 4036 307 308 Assembly 2 Control panel 2 4 5 7 6 1 3...
Page 126: ...7 6 Service Manual 4036 307 308 Assembly 3 Lower scanner 1 2 4 3 5 6...
Page 128: ...7 8 Service Manual 4036 307 308 Assembly 4 Electronic boards...