Phaser 6128MFP Service Manual 3-105
Error Messages and Codes
Front Cover Open Close Front Cover
The Interlock Switch indicates the Front Cover is open. The following
troubleshooting procedure applies to this error.
Applicable Error
• Front Cover Open Close Front Cover
Initial Actions
• Check the Front Cover interlock actuator and latch for damage.
• Cycle printer power.
• If the problem persists, follow the procedure below.
3 Check P/J40 and P/J41 on the MCU
Board, and P/J411 and P/J412 on
the laser Unit.
Are the connections secure?
Go to step 5 Reconnect the
connections.
Go to step 4.
4 Does the error still occur when the
power is turned On?
Go to step 5. Complete.
5 Check the ROS RE and ROS Video
harnesses for continuity.
Is the harness damaged?
Repair the
harness, then
go to step 6.
Go to step 7.
6 Does the error still occur when the
power is turned On?
Go to step 7. Complete.
7 Replace the Laser Unit (page 8-98).
Does the error persist?
Replace the
MCU Board
(page 8-57).
Complete.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Front Cover, PL1.1.8
■ Interlock Harness, PL10.6.4
■ LVPS, PL10.6.16
■ MCU Board, PL10.7.7
■ LVPS Main Harness, PL10.8.14
■ “Map 1 - MCU Board” on page 10-6
■ “Map 3 - Electrical and Drive” on page 10-8
■ “LVPS” on page 10-14
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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