Action
Yes
No
Step 1
a
Enter the Diagnostics menu, and then navigate to:
Advanced Print Quality Samples
>
Advanced Print Quality
Samples
b
Check the test page.
Did the print defect appear on all the pages?
Go to step 5.
Go to step 2.
Step 2
•
If the affected color is cyan, magenta, or yellow, then replace
the developer unit of the affected color.
•
If the affected color is black, then replace the imaging unit.
Does the problem remain?
Go to step 3.
The problem is
solved.
Step 3
Check if the affected color is black.
Is the affected color black?
Contact the next
level of support.
Go to step 4.
Step 4
Replace the photoconductor unit.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Step 5
Check the transfer module for proper installation and damage, and
replace if necessary. See
Does the problem remain?
Go to step 6.
The problem is
solved.
Step 6
Clean the printhead. See
“Cleaning the printhead lenses” on
Are the lenses contaminated?
Go to step 7.
Go to step 8.
Step 7
Clean the lenses, and then reinstall the printhead.
Does the problem remain?
Go to step 8.
The problem is
solved.
Step 8
Replace the printhead. See
“Printhead removal” on page 413
.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
7528
Diagnostic information
47
Summary of Contents for XC4150
Page 34: ...7528 34 ...
Page 276: ...7528 276 ...
Page 294: ...Scan SE Scanner Info 7528 Service menus 294 ...
Page 317: ...3 Remove the screw B from the lower left side of the cover B 7528 Repair information 317 ...
Page 320: ...3 Remove the three screws A 7528 Repair information 320 ...
Page 327: ...3 Remove the E clip B 4 Remove the E clip C 7528 Repair information 327 ...
Page 358: ...5 Remove the two screws D from under the gear box 7528 Repair information 358 ...
Page 360: ...3 Disconnect the cable A from the LVPS 7528 Repair information 360 ...
Page 370: ...3 Disconnect the motor cable A A 7528 Repair information 370 ...
Page 371: ...4 Remove the four screws B and then remove the motor B 7528 Repair information 371 ...
Page 374: ...4 Disconnect the cable B 5 Remove the screw C securing the HVPS C 7528 Repair information 374 ...
Page 400: ...14 Remove the clip M and then remove the spacer 7528 Repair information 400 ...
Page 403: ...7528 Repair information 403 ...
Page 414: ...5 Remove the screw C from the printhead 7528 Repair information 414 ...
Page 429: ...8 Route the ADF cable through the flatbed 9 Remove the ADF 7528 Repair information 429 ...
Page 437: ...7 Disconnect the two cables B on the controller board 7528 Repair information 437 ...
Page 443: ...5 Remove the screw D and then remove the scanner tilt D 7528 Repair information 443 ...
Page 478: ...7528 478 ...
Page 485: ...7528 485 ...
Page 487: ...Assembly 1 Covers 1 2 4 6 7 8 9 1 14 10 3 5 13 13 11 11 12 7528 Parts catalog 487 ...
Page 489: ...Assembly 2 Covers 2 14 7528 Parts catalog 489 ...
Page 491: ...Assembly 3 Control panel 5 4 3 2 1 7528 Parts catalog 491 ...
Page 493: ...Assembly 4 ADF and flatbed 1 3 11 10 4 9 5 6 7 8 2 7528 Parts catalog 493 ...
Page 495: ...Assembly 5 Fuser 1 7528 Parts catalog 495 ...
Page 497: ...Assembly 6 Transfer module 1 2 7528 Parts catalog 497 ...
Page 499: ...Assembly 7 Paper feed 8 2 1 2 4 7 3 5 5 6 7528 Parts catalog 499 ...
Page 501: ...Assembly 8 Paper path 1 8 6 2 3 1 10 5 7 9 4 7528 Parts catalog 501 ...
Page 503: ...Assembly 9 Paper path 2 1 4 2 5 10 3 6 9 7 8 7528 Parts catalog 503 ...
Page 505: ...Assembly 10 Duplex 9 8 3 3 7 6 1 1 2 4 5 7528 Parts catalog 505 ...
Page 507: ...Assembly 11 Electrical 16 2 3 4 5 7 8 9 11 12 13 15 6 1 14 10 7528 Parts catalog 507 ...
Page 510: ...7528 Parts catalog 510 ...
Page 511: ...Assembly 12 550 sheet tray option 1 2 1 7528 Parts catalog 511 ...
Page 513: ...Assembly 13 550 sheet tray option 2 1 2 3 4 12 11 6 13 5 9 10 7 8 7528 Parts catalog 513 ...
Page 515: ...Assembly 14 Adjustable stand 2 2 3 3 1 7528 Parts catalog 515 ...
Page 518: ...7528 Parts catalog 518 ...
Page 520: ...7528 520 ...
Page 527: ...3 Apply the changes 7528 Appendix B Options and features 527 ...
Page 528: ...7528 528 ...
Page 554: ...7528 554 ...
Page 568: ...7528 Part number index 568 ...
Page 574: ...7528 Part name index 574 ...