Dell 1815 Mono Laser, Service Manual

Page: 109 / 152

Service Manual
Troubleshooting
7-16
7.3.14 Stains on back of the page
• Description
The back of the page is stained at 47.1 mm intervals.
Digital
Digital Pri
Digital Printer
Digital Printer
Digital Printer
Check and Cause Solution
1. Transfer roller is contaminated.
2. Pressure roller is contaminated.
1. Perform the OPC Cleaning Mode Print 2 or
3 times. Run Self-Test to remove the conta-
mination of the transfer roller.
2. Replace the transfer roller if contaminated
severely.
3. Disassemble the fuser and clean the
H/R(Heat Roller) and P/R(Pressure roller).
And check the area between H/R and
Thermistor. If contaminated, clean the area
is should not be deformed.
7.3.15 Blank Page Print out (1)
• Description
Blank page is printed.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Check and Cause Solution
Bad ground contacts in OPC and/or devel-
oper.
Remove contamination of the terminals of the
toner cartridge and the printer.
7.3.16 Blank Page Print out (2)
• Description
1. Blank page is printed.
2. One or several blank pages are printed.
3. When the printer turns on, several blank pages print.
Check and Cause Solution
1. Bad ground contacts in OPC and/or
developer.
2. Abnormal solenoid.
1. Remove contamination of the terminals of
the toner cartridge.
2. Perform the engine self test using Engine T est
Mode diagnostic Mode code 0 if the Solenoid is
normal.
3. If not solved by the above directions 1-2,
Replace the engine board.
4. Turn the power off, clear the print job on the
computer, and try printing again.