Phaser 5400 Laser Printer Service Guide
203
5
FUSER INSPECTION
1. Open the Exit Assembly.
Warning:
If the printer has been powered ON,
the Fuser will be hot. Use extreme care
when handling the Fuser.
2. Remove the Fuser Assembly.
3. Turn the Fuser Assembly upside down.
4. Rotate the fuser idler gear manually and inspect the
Heat Roller.
5. Turn the Fuser Assembly right side up.
6. Open the fuse jam access cover.
7. Rotate the fuser idler gear manually and inspect the
Pressure Roller.
Are the Heat and Pressure Rollers free of
scratches (damage) and contamination?
Go to
Step 6.
Replace the
Fuser
Assembly
[RRP 5.1,
].
6
“YES” FROM STEP 5 ABOVE
1. Generate a Test Print and switch printer power OFF
halfway through the print cycle.
2. Carefully remove the Print Cartridge and inspect the
image on the drum.
Does the image on the drum have even density?
Go to
Step 7.
Replace the
Laser
Assembly
[RRP 7.1,
].
7
UNFUSED DENSITY
Examine the print on the paper before the Fuser.
Does the unfused image on the paper display
even density?
Replace the
Fuser
Assembly
[RRP 5.1,
].
Replace the
BTR
[RRP 7.6,
].
Table 112 Uneven Density Troubleshooting Procedure (cont'd.)
Step Actions and Questions
Yes
No
Summary of Contents for 5400N - Phaser B/W Laser Printer
Page 1: ...Service Quick Reference Guide P H A S E R 5 4 0 0 L A S E R P R I N T E R...
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Page 419: ...390 Phaser 5400 Laser Printer Service Guide PL 3 1 Paper Feeder Figure 173 Paper Feeder...
Page 425: ...396 Phaser 5400 Laser Printer Service Guide PL 5 1 Paper Transport Figure 176 Paper Transport...
Page 429: ...400 Phaser 5400 Laser Printer Service Guide PL 7 1 Frame Drives Figure 178 Frame and Drives...
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Page 472: ...Phaser 5400 Laser Printer Service Guide 443 Figure 197 P J Location Map 5 Duplex Assembly...
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Page 481: ...452 Phaser 5400 Laser Printer Service Guide Figure 201 Master Wiring Diagram 2 of 2...
Page 490: ...Phaser 5400 Laser Printer Service Guide 461 Figure 209 Print Engine Controller PWB Main Motor...
Page 493: ...464 Phaser 5400 Laser Printer Service Guide Figure 212 Controller and Control Panel...
Page 500: ...Phaser 5400 Laser Printer Service Guide 471 Figure 220 2000 Sheet Feeder PWB Switches...
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