Image Problem Troubleshooting
SM 4-39
B286/B289
Tr
ouble
-
shooting
4.6.2 SCANNING
1. No image (or no image with only vertical black lines on the output)
Possible causes:
!
Connection problem between CIS and IPU.
!
CIS
defective
2. No image (solid black copy/print, or no image with only vertical white lines on the
output)
Possible causes:
!
Connection problem between CIS and IPU.
!
CIS
defective
3. Light image
Possible causes:
!
Low CIS output
!
IPU board defective
Summary of Contents for B286
Page 1: ...B286 B289 SERVICE MANUAL 003165MIU...
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Page 3: ...B286 B289 SERVICE MANUAL...
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Page 5: ...B286 B289 SERVICE MANUAL 003165MIU...
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Page 35: ...INSTALLATION...
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Page 117: ...PREVENTIVE MAINTENANCE...
Page 118: ......
Page 127: ...REPLACEMENT AND ADJUSTMENT...
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Page 186: ...Boards B286 B289 3 58 SM 9 Remove the shield cover A x12 10 Remove A MCU x4 x1 B IPU x4...
Page 198: ...Others B286 B289 3 70 SM 4 Remove the cooling fan D x 1 x 3...
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Page 217: ...TROUBLESHOOTING...
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Page 269: ...SERVICE TABLES...
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Page 507: ...DETAILS...
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Page 511: ...Overview SM 6 3 B286 B289 Details 6 1 2 MECHANICAL COMPONENT LAYOUT...
Page 526: ...Image Processing B286 B289 6 18 SM Text Mode...
Page 529: ...Image Processing SM 6 21 B286 B289 Details Patched Original Mode...
Page 530: ...Image Processing B286 B289 6 22 SM Generation Mode...
Page 552: ...Development B286 B289 6 44 SM Toner End Recovery Flow Chart...
Page 613: ...SPECIFICATIONS...
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