Phaser 6128MFP Service Manual
4-63
General Troubleshooting
Inoperable Printer Troubleshooting
Engine Power-Up Sequence
1. Machine Control Unit (MCU) Board logic check
2. Toner Cartridge (Missing, NVRAM (CRUM) Error, CRUM ID, Life Over)
3. Fuser (Missing, NVRAM (CRUM) Error, Life Over)
4. Transfer Belt (Missing, Life Over)
5. ADC Sensor (Error)
6. All paper Sensor (Jam)
7. Door (Open)
8. Environmental (Humidity/Temperature) Sensor (Error)
9. NVRAM (NVRAM Error)
10. Image Processor Board POST Diagnostic check
Printer Continually Displays Warming Up
1. Verify the correct Fuser (110 V vs. 220 V) is installed in the printer.
2. Refer to the Engine Power-Up Sequence (page 4-63).
AC Power Supply Troubleshooting
Troubleshooting Reference Table
Applicable Parts
Wiring and Plug/Jack References
■
LVPS, PL9.1.4
■
Troubleshooting Procedure Table
Step
Actions and Questions
Yes
No
1
Check the voltage at the AC wall outlet.
Is there approximately 110 VAC (or 220
VAC if the printer is a 220 V
configuration) at the AC wall outlet?
Go to step 2.
Notify the
customer of
improper AC
output from
the outlet.
2
Check the power cord for defects or a
loose connection. Is the power cord loose
or defective?
Replace or
reconnect
the power
cord.
Replace the
LVPS
(page 8-47).
Summary of Contents for Phaser 6128 MFP
Page 1: ...Phaser 6128MFP Multi Function Printer Phaser 6128MFP Service Manual ...
Page 2: ......
Page 14: ...xii Phaser 6128MFP Service Manual Contents ...
Page 24: ...xxii Phaser 6128MFP Service Manual ...
Page 54: ...1 30 Phaser 6128MFP Service Manual General Information ...
Page 120: ...2 66 Phaser 6128MFP Service Manual Theory of Operation ...
Page 270: ...3 150 Phaser 6128MFP Service Manual Error Messages and Codes ...
Page 408: ...5 62 Phaser 6128MFP Service Manual Print Quality Troubleshooting ...
Page 420: ...6 12 Phaser 6128MFP Service Manual Adjustments and Calibrations ...
Page 424: ...7 4 Phaser 6128MFP Service Manual Cleaning and Maintenance ...
Page 604: ...I 6 Phaser 6128MFP Service Manual ...
Page 605: ......