Diagnostic information
2-117
Print quality—blank page
Print quality—random marks
Service tip: The primary cause of random marks is due to loose material moving around inside the printer and
attaching to the photoconductor, charge roll, or transfer roll.
4
HVPS cable
(part of front
harness cable)
System board
Check the continuity of the HVPS cable. If incorrect, replace the
cable assembly. If correct, replace the system board.
FRU
Action
1
Print cartridge
Check the print cartridge for damage, especially the PC drum contact
on the cartridge.
2
High voltage contact
Check the PC drum contact on the right side frame for damage, PC
drum contact wear or contamination. If the contact is bent or
damaged, replace the contact.
Note:
Inspect the HVPS PC drum contact on the board for damage
or contamination.
3
HVPS
Check the fuse on the HVPS. If open, replace the HVPS. Check the
voltages at J22 on the system board. Measure the following voltages
from connector J22 to printer ground:
• Printer Idle
J15-5 me24 V dc
• Printer Printing
J15-5 me24 V dc
If the voltages at J10-5 are incorrect, replace the system board.
4
Front cable harness HVPS
section
Check the front cable harness at J15 on the system board and at
CN1 on the HVPS to make sure the harness is connected properly. If
connected properly, check the continuity of the cable harness. If there
is no continuity, replace the front cable harness.
5
Printhead assembly
Generally a 93
x
service error is posted if the printhead assembly fails
and the printer does not give a blank copy symptom.
The printhead used in the printer does not have a mechanical shutter
as previous laser printers. The printer is interlocked through the front
top cover interlock switch.
Symptom
Action
1
Random marks
Check the print cartridge for loose or foreign material that might be
on the photoconductor. Check the transfer roll and charge roll for any
pieces of material that are stuck to the rolls.
FRU
Action
Summary of Contents for e-STUDIO500P
Page 1: ...PRINTER P N 12G9609 e STUDIO500P ...
Page 10: ...x Service Manual ...
Page 15: ...Laser notices xv Japanese Laser Notice ...
Page 16: ...xvi Service Manual Korean Laser Notice ...
Page 43: ...Diagnostic information 2 7 ...
Page 159: ...Diagnostic information 2 123 ...
Page 160: ...2 124 Service Manual ...
Page 161: ...Diagnostic information 2 125 ...
Page 181: ...Diagnostic aids 3 17 ...
Page 297: ...5 12 Service Manual ...
Page 298: ...Connector locations and connections 5 13 ...
Page 299: ...5 14 Service Manual ...
Page 301: ...6 2 Service Manual ...
Page 303: ...7 2 Service Manual Assembly 1 Covers ...
Page 305: ...7 4 Service Manual Assembly 2 Frame 1 ...
Page 307: ...7 6 Service Manual Assembly 3 Frame 2 ...
Page 309: ...7 8 Service Manual Assembly 4 Frame 3 ...
Page 311: ...7 10 Service Manual Assembly 5 Printhead ...
Page 313: ...7 12 Service Manual Assembly 6 Paper feed autocompensator ...
Page 315: ...7 14 Service Manual 4061 xx0 Assembly 7 Paper feed multipurpose feeder ...
Page 317: ...7 16 Service Manual Assembly 8 Paper feed alignment ...
Page 319: ...Page 7 19 has been removed from this document intentionally 7 18 Service Manual ...
Page 320: ...7 20 Service Manual Assembly 10 Integrated 500 sheet paper tray ...
Page 322: ...7 22 Service Manual Assembly 11 Drives Main drive and developer drive ...
Page 324: ...7 24 Service Manual Assembly 12 Hot roll fuser ...
Page 326: ...7 26 Service Manual Assembly 13 Transfer charging ...
Page 328: ...7 28 Service Manual Assembly 14 Electronics power supplies ...
Page 330: ...7 30 Service Manual Note ...
Page 332: ...7 32 Service Manual Assembly 16 Electronics shields ...
Page 336: ...7 36 Service Manual Assembly 19 Cabling diagrams 3 ...
Page 338: ...7 38 Service Manual Assembly 20 Cabling diagrams 4 ...
Page 340: ...7 40 Service Manual Assembly 21 Cabling diagrams 5 ...
Page 342: ...7 42 S ervice Manual THE FOLLOWING PAGE 7 43 HAS BEEN OMITTED FROM THIS MANUAL INTENTIONALLY ...
Page 347: ...7 48 S ervice Manual Pages 7 49 through 7 57 of this manual have been omitted intentionally ...
Page 348: ...7 58 Service Manual Assembly 35 High capacity feeder 1 ...
Page 350: ...7 60 Service Manual Assembly 36 High capacity feeder 2 ...
Page 354: ...7 64 S ervice Manual Pages 7 65 thru 7 70 ofthis manual were omitted intentionally ...
Page 362: ...I 8 Service Manual ...
Page 370: ...I 16 Service Manual ...