Fixing base printer print quality issues
Gray background on prints
ABCDE
ABCDE
ABCDE
Leading edge
Trailing edge
Actions
Yes
No
Step 1
Ensure the toner cartridge has sufficient toner.
Does the cartridge have sufficient toner?
Go to step 2.
Replace the toner
cartridge.
Step 2
Remove any contamination from the CTLS contacts, located on the toner
level/imaging unit high voltage contact. Perform a print test.
Does the problem remain?
Go to step 3.
Problem is solved.
Step 3
Check the CTLS, located on the toner level/imaging unit high voltage
contact, for damage.
Is it free of damage?
Go to step 4.
Replace the toner
level/imaging unit high
voltage contact.
Step 4
Check the transfer roller for surface contamination or excessive wear.
Is it free of contamination and wear?
Go to step 5.
Replace the transfer
roller.
Step 5
Check the transfer roller left contact spring, located on the transfer roller
left arm, for damage.
Is it free of damage?
Contact the next
highest level of
support.
Replace the transfer
roller left arm. See
“Transfer roller left
arm with cable
removal” on page
338
7463
Diagnostic information
39
Содержание 7463-032
Страница 34: ...7463 34...
Страница 228: ...7463 228...
Страница 308: ...3 Remove the support strap 4 Slide the rear door away from the machine and remove it 7463 Repair information 308...
Страница 332: ...8 Remove the e clip securing the MPF pick roller to the machine 9 Remove the flange 7463 Repair information 332...
Страница 348: ...3 Loosen the two fuser thumbscrews A 4 Gently pull the fuser and remove it from the machine 7463 Repair information 348...
Страница 355: ...16 Detach the two springs from the machine 17 Remove the cartridge door 7463 Repair information 355...
Страница 382: ...4 Remove the two screws A securing the right frame extension to the machine 7463 Repair information 382...
Страница 395: ...6 Remove the five screws A 7 Remove the PCBA housing 7463 Repair information 395...
Страница 412: ...15 Disconnect the three cables D 16 Remove the ten inch display 7463 Repair information 412...
Страница 419: ...10 Remove the seven screws B securing the control panel to the machine 7463 Repair information 419...
Страница 420: ...11 Disconnect the three cables C from the controller board 12 Remove the control panel 7463 Repair information 420...
Страница 425: ...14 Remove the five screws C 15 Disconnect the five cables D 7463 Repair information 425...
Страница 439: ...4 Gently press the hinge inward to release it from the machine 5 Remove the tilting display 7463 Repair information 439...
Страница 447: ...10 Disconnect the two cables F 11 Gently remove the ADF scanner assembly from the machine 7463 Repair information 447...
Страница 453: ...11 Remove the scanner CCD 7463 Repair information 453...
Страница 465: ...4 Slide the ADF left lower cover down to disengage it from the tabs on the ADF frame 7463 Repair information 465...
Страница 471: ...2 Remove the four screws A securing the ADF rear cover 3 Remove the ADF rear cover 7463 Repair information 471...
Страница 474: ...3 Remove the ADF separation guide B ADF separator roller removal 1 Open the ADF top cover 7463 Repair information 474...
Страница 504: ...Flatbed glass cushion removal 1 Open the ADF 2 Remove the flatbed glass cushion 7463 Repair information 504...
Страница 512: ...12 Remove the tension belt E 13 Remove the two c clips F 14 Remove the two gears G 7463 Repair information 512...
Страница 514: ...8 Remove the three screws C at the left side 9 Remove the three screws D at the right side 7463 Repair information 514...
Страница 544: ...4 Remove the two screws C from the rear side of the cover 5 Remove the left cover 7463 Repair information 544...
Страница 549: ...4 Remove the ground screw A 5 Remove the 11 screws B then remove the top cover 7463 Repair information 549...
Страница 551: ...4 Remove the other four screws C from the front side of the frame 7463 Repair information 551...
Страница 555: ...5 Release the latches A holding the sensor to the media feeder 7463 Repair information 555...
Страница 584: ...4 Remove the ground screw A 5 Remove the 11 screws B then remove the top cover 7463 Repair information 584...
Страница 586: ...4 Remove the other four screws C from the front side of the frame 7463 Repair information 586...
Страница 590: ...5 Release the latches A holding the sensor to the media feeder 7463 Repair information 590...
Страница 598: ...2 Remove the two screws C then remove the left cover 7463 Repair information 598...
Страница 600: ...4 Remove the two screws B from the right side 5 Remove the top cover 7463 Repair information 600...
Страница 605: ...6 Ease the media stack flap off the stapler assembly 7463 Repair information 605...
Страница 618: ...2 Remove the two screws C then remove the right cover 7463 Repair information 618...
Страница 625: ...2 Position the rear door at the angle shown and pull the door off the mailbox 7463 Repair information 625...
Страница 637: ...4 Remove the two screws B using a 1 Phillips screwdriver then remove the divert motor 7463 Repair information 637...
Страница 647: ...8 Disconnect the two cables D and remove the output bin LED assembly 7463 Repair information 647...
Страница 648: ...7463 648...
Страница 664: ...7463 664...
Страница 674: ...7463 Parts catalog 674...
Страница 675: ...Assembly 1 Covers MX71x 7463 Parts catalog 675...
Страница 677: ...Assembly 2 Covers MX81x 7463 Parts catalog 677...
Страница 680: ...7463 Parts catalog 680...
Страница 681: ...Assembly 3 Paper path 7463 Parts catalog 681...
Страница 683: ...Assembly 4 Fusers 7463 Parts catalog 683...
Страница 685: ...Assembly 5 Electronics 19 20 21 22 1 2 3 4 10 11 12 23 8 24 7463 Parts catalog 685...
Страница 688: ...7463 Parts catalog 688...
Страница 689: ...Assembly 6 Drive motors 7463 Parts catalog 689...
Страница 691: ...Assembly 7 Duplex 7463 Parts catalog 691...
Страница 693: ...Assembly 8 Frame 7463 Parts catalog 693...
Страница 695: ...Assembly 9 Control panel MX71x 7463 Parts catalog 695...
Страница 698: ...7463 Parts catalog 698...
Страница 699: ...Assembly 10 Control panel 10 inch display MX81x 1 2 3 4 5 11 8 9 10 6 7 12 7463 Parts catalog 699...
Страница 701: ...Assembly 11 Paper tray STAT DL 7 75 A5 A6 C5 10 JIS B5 EXEC LTR A4 FOLIO OFC LGL 12 11 9 7463 Parts catalog 701...
Страница 703: ...Assembly 12 ADF assembly 1 7463 Parts catalog 703...
Страница 705: ...Assembly 13 ADF covers 1 6 3 4 14 13 5 7 9 8 10 11 12 2 7463 Parts catalog 705...
Страница 708: ...7463 Parts catalog 708...
Страница 709: ...Assembly 14 ADF mechanical 1 3 2 9 10 5 7 6 8 4 7463 Parts catalog 709...
Страница 711: ...Assembly 15 ADF electronics 7463 Parts catalog 711...
Страница 714: ...7463 Parts catalog 714...
Страница 715: ...Assembly 16 Flatbed scanner MX710 and MX711 2 3 5 6 4 14 15 1 7 12 13 8 9 11 10 16 7463 Parts catalog 715...
Страница 718: ...7463 Parts catalog 718...
Страница 719: ...Assembly 17 Flatbed scanner MX810 MX811 and MX812 2 3 5 6 4 10 11 1 7 8 9 7463 Parts catalog 719...
Страница 722: ...7463 Parts catalog 722...
Страница 723: ...Assembly 18 Input options MX710 and MX711 1 2 3 7463 Parts catalog 723...
Страница 725: ...Assembly 19 Input options MX810 MX811 and MX812 1 2 7463 Parts catalog 725...
Страница 727: ...Assembly 20 250 sheet tray option MX710 and MX711 7463 Parts catalog 727...
Страница 729: ...Assembly 21 550 sheet tray option MX710 and MX711 7463 Parts catalog 729...
Страница 731: ...Assembly 22 550 sheet tray option MX810 MX811 MX812 7463 Parts catalog 731...
Страница 733: ...Assembly 23 High capacity input tray option 1 MX710 and MX711 1 2 7463 Parts catalog 733...
Страница 735: ...Assembly 24 High capacity input tray option 2 MX710 and MX711 3 5 4 6 7 9 13 8 11 12 10 1 2 7463 Parts catalog 735...
Страница 737: ...Assembly 25 High capacity input tray option 3 MX810 MX811 MX812 1 2 7463 Parts catalog 737...
Страница 739: ...Assembly 26 High capacity input tray option 4 MX810 MX811 MX812 3 5 4 6 7 9 13 8 11 12 10 1 2 7463 Parts catalog 739...
Страница 741: ...Assembly 27 Output options MX810 MX811 and MX812 1 2 7463 Parts catalog 741...
Страница 743: ...Assembly 28 Staple finisher option 1 5 1 2 3 4 6 7463 Parts catalog 743...
Страница 745: ...Assembly 29 Staple finisher option 2 1 4 5 6 7 8 3 10 11 2 12 13 14 9 7463 Parts catalog 745...
Страница 747: ...Assembly 30 Mailbox option 1 1 2 3 4 5 6 7 10 8 9 7463 Parts catalog 747...
Страница 749: ...Assembly 31 Mailbox option 2 1 3 4 2 7463 Parts catalog 749...
Страница 751: ...Assembly 32 Offset stacker option 1 5 1 2 3 4 6 7463 Parts catalog 751...
Страница 753: ...Assembly 33 Offset stacker option 2 1 3 5 6 2 7 8 9 4 7463 Parts catalog 753...
Страница 758: ...7463 758...
Страница 764: ...7463 764...
Страница 768: ...Models MX81x and MX71x paper path rollers and sensors 7463 Appendix C Theory of operation 768...
Страница 779: ...Sensors 7463 Appendix C Theory of operation 779...
Страница 820: ...7463 Part number index 820...
Страница 834: ...7463 Part name index 834...