Volume 1 / Print Engine - Troubleshooting
1
-
121
RAP 1-64
Horizontal Band Deletions
.
PROBLEM
There are areas of the image that are extremely light or are
missing entirely. These missing areas form lines or bands
that run horizontally across the page perpendicular to the
direction of paper travel.
THE PRINTER DISPLAYS NO ERROR CODE.
Fig 1-19 Horizontal Band Deletions
Table 1-88 Horizontal Band Deletions
Step
Actions and Questions
Yes
No
1
PAPER INSPECTION
Inspect the paper that is loaded in the paper Bins.
Is the paper wrinkled, dimpled, or show any
sign of having a high moisture content?
Replace with
dry, newly
opened paper
Go to step 2
2
LASER PRINT (EP) CARTRIDGE
REPLACEMENT
Install a new Laser Print (EP) Cartridge .
Are the horizontal band deletions gone?
Problem
solved
Go to step 3
3
IMAGE TRANSFER INSPECTION
1. Remove the Rear Cover (RRP 1-5).
2. Generate a Solid Black Test Print and switch OFF
printer power halfway through the print cycle.
3. Open the Left Upper Cover.
4. Open the Drum Shutter.
5. Hand rotate (counter clockwise) the Drum Drive Motor
flywheel to advance the drum far enough so you can
see the developed image area on the Drum before it
reached Transfer.
Before Transfer was the toner image on the
drum normal and without horizontal band
deletions, but there are deletions on the paper
after Transfer?
Go to step 4
Go to step 5
4
BIAS TRANSFER ROLLER REPLACEMENT
1. Replace the Bias Transfer Roller Assembly.
2. Generate a Solid Black Test Print.
Is the Test Print normal, with no horizontal
band deletions?
Problem
solved
Go to step 5
S4525-10
Содержание DocuPrint N4525
Страница 50: ...1 28 DocuPrint N4525 Network Laser Printer Service Guide Blank Page ...
Страница 202: ...1 180 DocuPrint N4525 Network Laser Printer Service Guide Blank Page ...
Страница 290: ...1 268 DocuPrint N4525 Network Laser Printer Service Guide PL 1 2 Front Cover Fig 1 98 Font Cover S4525 158 ...
Страница 296: ...1 274 DocuPrint N4525 Network Laser Printer Service Guide PL 2 2 Tray Unit End Guide Fig 1 101 Tray Unit End Guide ...
Страница 328: ...1 306 DocuPrint N4525 Network Laser Printer Service Guide PL 6 1 Registration Fig 1 117 Registration S4525 177 ...
Страница 338: ...1 316 DocuPrint N4525 Network Laser Printer Service Guide PL 8 1 Fuser Assembly Fig 1 122 Fuser Assembly S4525 182 ...
Страница 352: ...1 330 DocuPrint N4525 Network Laser Printer Service Guide PL 11 1 Power Unit Fig 1 129 Power Unit S4525 189 ...
Страница 358: ...1 336 DocuPrint N4525 Network Laser Printer Service Guide PL 11 4 Wiring Harness Fig 1 132 Wiring Harness S4525 192 ...
Страница 369: ...Volume 1 Print Engine P J Connector Locations 1 347 P J Location Map 1 Fig 1 133 P J Location Map 1 S4525 148 ...
Страница 370: ...1 348 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 2 Fig 1 134 P J Location Map 2 S4525 149 ...
Страница 371: ...Volume 1 Print Engine P J Connector Locations 1 349 P J Location Map 3 Fig 1 135 P J Location Map 3 S4535 150 ai ...
Страница 372: ...1 350 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 4 Fig 1 136 P J Location Map 4 S4525 151 ...
Страница 373: ...Volume 1 Print Engine P J Connector Locations 1 351 P J Location Map 5 Fig 1 137 P J Location Map 5 S4525 152 ...
Страница 374: ...1 352 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 6 Fig 1 138 P J Location Map 6 S4525 153A ...
Страница 375: ...Volume 1 Print Engine P J Connector Locations 1 353 P J Location Map 7 Fig 1 139 P J Location Map 7 S4525 154 ...
Страница 376: ...1 354 DocuPrint N4525 Network Laser Printer Service Guide P J Location Map 8 Fig 1 140 P J Location Map 8 S4525 155 ...
Страница 380: ...358 DocuPrint N4525 Network Laser Printer Blank Page ...