Phaser 6280 Color Laser Printer Service Manual 3-107
Error Messages and Codes
2 1. Check the following wiring harness
connectors.
â– P/J16 and P/J28 on the MCU
Board
â– P/J144 on the EEPROM Board
2.Are the connectors securely
connected?
Go to step 3. Reconnect the
connectors.
Go to step 2.
3 Does the error still occur? Go to step 4. Complete.
4 1. Replace the HVPS (page 8-61).
2.Does the error still occur?
Replace the
MCU Board
(
page 8-86).
Complete.
5 1.Turn the printer power Off and On.
2.Does the error still occur?
Go to step 6. Complete.
6 1. Check the printer firmware version.
2.Does the printer have the correct
firmware version?
Go to step 7. Upgrade the
printer firmware
(
page A-3).
7 1. Check the MCU Board for correct
installation. Reseat the MCU Board
(page 8-86).
2.Does the error still occur?
Go to step 8. Complete.
8 Check external noise.
1.Are there other electrical appliances
within 3 meters from the printer?
2.Turn the electrical appliances Off or
relocate the printer at least 6 meters
away from other electrical
appliances.
3.Does the error still occur?
Go to step 9. Complete.
9 1. Check the AC ground.
2.Is the AC power supply outlet wired
and grounded appropriately?
Go to step 10. Request the
client to fix the
AC power
supply outlet.
10 1.Reseat the Print Cartridges
(page 8-10).
2.Reseat the Transfer Unit (page 8-8).
3.Does the electrical noise still occur?
Go to step 11. Complete.
11 1.Check the Print Cartridges for stains
or debris.
2.Are the Print Cartridges dirty?
Clean the Print
Cartridges.
Reseat the
HVPS
(
page 8-61).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No