Xerox Phaser 7400 Service Manual

Error Messages and Codes 3-35
Jam at Finisher Punch Unit
Media did not clear the Finisher Entrance Sensor on time. This error represents a jam
at the Finisher entrance.
Applicable Status Code:
Code FN1: Jam at Finisher Punch
Initial Actions:
■ Check for obstructions or debris in the paper path.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Punch Unit
■ Finisher Entrance Sensor
■ Finisher Transport Rollers
■ Options Map 2, Punch Unit Controller Board
■ Options Map 8, Finisher Sensor Locator (2/2)
■ Options Punch Unit Sensors and Motors
■ Options Finisher Controller to Sensors (2/3)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the following for evidence of fault or
damage:
■ Punch Unit
■ Transport Rollers
■ Exit Rollers
Are there any defects or misalignment?
Replace any
damaged parts.
Go to Step 2.
2
Test the Finisher Entrance Sensor.
Run the Service Diagnostics Finisher
Entrance Sensor test.
Does the sensor function correctly?
Replace the Engine
Control Board
(
page 8-112).
Replace the
sensor. If the error
persists, go to
Step
3.
3
Check the Entrance Sensor signal at the
Finisher Control Board.
Actuate the Entrance Sensor.
Does the voltage across CN16-12 <=>
ground change when the sensor is
actuated?
Replace the
Finisher Control
Board.
Replace the
harness.

Xerox Phaser 7400 Specifications

General

Color	Yes
Print technology	Laser
Maximum resolution	600 x 1200 DPI
Time to first page (black, normal)	12 s
Print speed (black, normal quality, A4/US Letter)	40 ppm
Print speed (color, normal quality, A4/US Letter)	36 ppm
Storage media	HDD
Internal memory	512 MB
Processor model	PowerPC
Maximum internal memory	1 MB
Internal storage capacity	20 GB
Total input capacity	800 sheets
Maximum input capacity	3000 sheets
Paper tray 2 input capacity	350 sheets
Auto document feeder (ADF) input capacity	1650 sheets
Maximum print size	297 x 420 mm
Paper tray media types	Envelopes, Labels, Transparencies
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Letter (media size), Statement (140 x 216mm), Legal (media size)
Maximum ISO A-series paper size	A3
Power requirements	100-240V, 50/60Hz
Networking features	Fast Ethernet
Supported media weight(s)	270 g/m²
Maximum operating temperature range (T-T)	10 - 32 °C
Certification	FCC p.15 A, CE
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	-4 - 140 °F
Storage relative humidity (H-H)	10 - 95 %
Operating relative humidity (H-H)	20 - 80 %
Maximum duty cycle	150000 pages per month

Weight and Dimensions

Dimensions (WxDxH)	1438 x 623 x 975 mm