Phaser 6280 Color Laser Printer Service Manual 4-77
General Troubleshooting
Abnormal Noise During Printing
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Retard (Separator) Roll, PL2.1.7
■ Retard Roll, PL2.2.17
■ MPT Feed Roll, PL3.1.10
■ Feed Roll, PL3.2.53
■ Transfer Unit, PL4.1.1
■ Print Cartridge (C/M/Y/K),
PL5.1.18-21
■ Fuser Assembly, PL6.1.10
■ Main Drive Assembly, PL8.1.2
■ PH Drive Assembly, PL8.1.7
■ Duplex Unit, PL11.1.1
■ Optional 550-Sheet Feeder, PL12.1.1
■ Tray 3 Feed Roll, PL12.3.29
■ Tray 3 Retard Roll, PL12.5.17
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1. Check Tray 1 (MPT).
2.Does the noise come from Tray 1 when
paper feed from Tray 1?
Go to step 2. Go to step 3.
2 1. Check the paper condition.
2.Replace the paper.
3.Does the noise still occur?
Replace the
Rollers:
■ Tray 1
(MPT) Feed
Roll
(page 8-34)
■ Tray 2
Retard Roll
(page 8-29)
Complete.
3 1. Check the Feeder Assembly for abnormal
noise.
2.Does the noise come from the Feeder
Assembly while paper is feeding?
Go to step 4. Go to step 5.