Xerox 5400N - Phaser B/W Laser Printer, Service Quick Reference Manual

Page: 120 / 503

Phaser 5400 Laser Printer Service Guide 91
RAP 26 Error Code J5: Toner Low
Toner Low is not displayed when the Print Cartridge appears to be empty.
Table 46 Error Code J5: Toner Low Troubleshooting Procedure
Step Actions and Questions Yes No
1 TEST PRINT
1. Run a test print or print a page from a file.
2. Inspect the print quality.
Does the print appear light due to an empty Print
Cartridge?
Go to
Step 2. Problem does
not exist.
2 PRINT CARTRIDGE
1. Replace the Print Cartridge [PL 8.1, page 402 ].
2. Run five test prints (Config Sheet or Demo Page).
3. Inspect the print quality.
Does the print quality meet specifications?
Go to
Step 3. Go to
Image-Quality
Defect
Definitions
,
page 177 .
3 TONER SENSOR
1. Remove Tray 1.
2. Remove any paper from the MBF.
3. Enter Diagnostics mode.
4. From the Main Menu, select Component Test / Sensor
Input Test / press [4] to start test, [0] to stop.
5. Open the MBF Cover and carefully pull down, then
release the Toner Sensor.
Does the LCD counter increment each time you
pull down and release the Toner Sensor?
Replace
the Print
Engine
Controller
Board
[RRP 8.5,
page 310 ].
Go to Step 4.
4 SUSPECT COMPONENTS
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Repair Analysis Procedure, replace each
component or troubleshoot each area listed below, one
at a time, until you isolate and solve the problem.
■
Toner Sensor Assembly [RRP 7.3, page 301 ]
■
Print Cartridge [PL 8.1, page 402 ]
■
Print Engine Controller Board [RRP 8.5, page 310 ]