2-12
Service Manual
7541-03x
Vertical lines (process direction using the ADF)
Spots (using flatbed scanner)
Step
Check
Yes
No
1
Check the small platen glass on the scanner unit
assembly.
Is the large and small platen glass contaminated or
damaged?
Clean or replace
the scanner
platen glass
cover.
Go to
“Flatbed
upper cover”
on page 4-161
.
Go to step 2.
2
Check the three mirrors in the scanner unit assembly.
Are the three mirrors contaminated or show signs of
dust?
Clean the three
mirrors in the
scanner unit
assembly.
Go to step 3.
3
Check the white strip on the bottom of the large platen
glass.
Is the white strip contaminated?
Clean the white
strip and POR
the machine.
Go to step 4.
4
Perform a print test using the scanner unit assembly.
Does the error continue?
Replace the
scanner unit
assembly.
Go to
“Flatbed
assembly
removal” on
page 4-116
.
Problem solved.
5
Perform a print test using the ADF unit assembly.
Does the error continue?
Replace the ICC
board.
Go to
“ICC
board” on
page 4-123
.
Problem solved.
Step
Check
Yes
No
1
Check the large platen glass on the scanner unit
assembly.
Is the large platen glass contaminated or damaged?
Clean or replace
the scanner
platen glass
cover.
Go to
“Flatbed
upper cover”
on page 4-161
.
Go to step 2.
2
Check the three mirrors in the scanner unit assembly.
Are the three mirrors contaminated or show signs of
dust?
Clean the three
mirrors in the
scanner unit
assembly.
Go to step 3.
3
Check the white strip on the bottom of the large platen
glass.
Is the white strip contaminated?
Clean the white
strip and POR
the machine.
Go to step 4.
Summary of Contents for X925
Page 14: ...xiv Service Manual 7541 03x ...
Page 182: ...3 50 Service Manual 7541 03x ...
Page 228: ...4 46 Service Manual 7541 03x 5 Remove the two screws C 6 Remove the two screws D ...
Page 229: ...Repair information 4 47 7541 03x 7 Remove the one screw E 8 Remove the four screws F on top ...
Page 230: ...4 48 Service Manual 7541 03x 9 Remove the two screws G on top 10 Remove the two screws H ...
Page 231: ...Repair information 4 49 7541 03x 11 Remove one screw I 12 Remove the screw J ...
Page 285: ...Repair information 4 103 7541 03x 4 Disconnect the fan cable B from the MDCONT engine board ...
Page 300: ...4 118 Service Manual 7541 03x 5 Remove the screw C 6 Remove the screw D ...
Page 301: ...Repair information 4 119 7541 03x 7 Remove the screw E ...
Page 358: ...4 176 Service Manual 7541 03x 6 Lift and pull the tray away from the printer ...
Page 368: ...4 186 Service Manual 7541 03x 5 Take the MPF shaft out 6 Remove the MPF roll ...
Page 392: ...5 4 Service Manual 7541 03x Rip Board connectors ...
Page 398: ...5 10 Service Manual 7541 03x Printhead controller connectors ...
Page 407: ...Locations 5 19 7541 03x Engine board connectors ...
Page 426: ...5 38 Service Manual 7541 03x ...
Page 428: ...6 2 Service Manual 7541 03x ...
Page 430: ...7 2 Service Manual 7541 03x Assembly 1 Covers ...
Page 432: ...7 4 Service Manual 7541 03x Assembly 2 Flatbed and ADF ...
Page 434: ...7 6 Service Manual 7541 03x Assembly 3 Flatbed ...
Page 436: ...7 8 Service Manual 7541 03x Assembly 4 ADF 1 ...
Page 438: ...7 10 Service Manual 7541 03x Assembly 5 ADF 2 ...
Page 440: ...7 12 Service Manual 7541 03x Assembly 6 Duplex components 1 ...
Page 442: ...7 14 Service Manual 7541 03x Assembly 7 Duplex components 2 ...
Page 444: ...7 16 Service Manual 7541 03x Assembly 8 Paper exit ...
Page 446: ...7 18 Service Manual 7541 03x Assembly 9 Base 1 ...
Page 448: ...7 20 Service Manual 7541 03x Assembly 10 Base 2 ...
Page 450: ...7 22 Service Manual 7541 03x Assembly 11 Base 3 ...
Page 452: ...7 24 Service Manual 7541 03x Assembly 12 Paper feed ...
Page 454: ...7 26 Service Manual 7541 03x Assembly 13 Electrical 1 ...
Page 456: ...7 28 Service Manual 7541 03x Assembly 14 Electrical 2 ...
Page 458: ...7 30 Service Manual 7541 03x Assembly 15 Upper assembly ...
Page 460: ...7 32 Service Manual 7541 03x Assembly 16 Printhead controller board cables ...
Page 462: ...7 34 Service Manual 7541 03x Assembly 17 Paper trays ...
Page 464: ...7 36 Service Manual 7541 03x Assembly 18 Fuser ...
Page 466: ...7 38 Service Manual 7541 03x Assembly 19 550 sheet option feeder covers ...
Page 468: ...7 40 Service Manual 7541 03x Assembly 20 550 sheet option feeder base ...
Page 470: ...7 42 Service Manual 7541 03x Assembly 21 550 sheet option feeder paper feed ...
Page 472: ...7 44 Service Manual 7541 03x Assembly 22 550 sheet option feeder tray ...
Page 488: ...I 14 Service Manual 7541 03x ...