Dell 3333DN User Manual

2-58 Service Manual
Flatbed home position service check
Step Questions / actions Yes No
1 POR the MFP. Does the CCD move and
return to the home position?
Problem solved. Go to step 2.
2 Perform the home position sensor test. Go
to “Scanner Tests” on page 3-25.
Is the sensor working properly?
Go to step 3. Go to step 5.
3 Check J28 on the controller board for proper
connection.
Is it connected properly?
Go to step 4. Properly connect the cable.
4 Check pin 1 in J28 for voltage. The voltage
is only present when a flatbed copy job is
running. The voltage should measure +24V
AC. Is voltage present?
Go to step 5. Replace the controller
board. Go to “Controller
board removal” on
page 4-16
5 Ensure that the home position cable (J13) is
connected. Is the cable connected?
Go to step 6. Properly connect the cable.
6 Check pin 1 in J13 for voltage. The voltage
should measure +5V DC. Pin 2 should be
GND. Is voltage present and is it correct?
Replace the flatbed unit.
See “Flatbed assembly
removal” on page 4-50.
Replace the controller
board. Go to “Controller
board removal” on
page 4-16.

Dell 3333DN Specifications

General

Functions	Print, Copy, Scan, Fax
Automatic Document Feeder	Yes
ADF Capacity	50 sheets
Scanner Type	Flatbed, ADF
Fax Speed	33.6 Kbps
Duty Cycle	Up to 50, 000 pages per month
Display	2-line LCD
Print Technology	Laser
Print Resolution	1200 x 1200 dpi
Duplex Printing	Yes
Paper Capacity	250 sheets
Connectivity	USB, Ethernet
Scan Resolution	1200 x 1200 dpi
Maximum Paper Size	Legal