Epson Stylus Pro 4400 Service Manual page 96

EPSON Stylus Pro 4400/4450/4800/4880/4880C
Sensor
The status of the following sensors can be checked.
Table 1-40. Sensor
Sensor Name
CR home position
Paper thickness sensor
Paper slide sensor
Head slide sensor
Roll 1 sensor
Roll 2 sensor
Pump sensor
Left and right ink lever
Front cover
Rear cover
Rear det
Paper out
P det
Maintenance tank
Cartridge status
Edge AD
Edge AD 2
Rear AD
Head temperature
Driver temperature
Note *: Each AD is qualified as OK by the following condition.
•Front AD/ Rear AD : Difference is 40 or more. ON level is less than 95.
•Edge AD : Difference is 40 or more. ON level is E0 to E8.
Product Description
Remark
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For edge AD and rear AD, the
value near the center is ON-OFF
difference, and the value on the
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right edge is ON level.
Operating Panel
Encoder
The travel of each motor for CR shaft (Carriage) and PF shaft (Paper Feed)
can be confirmed by the slid (encoder) value which is displayed in encoder
pulse.
Fan
The operation of each fan is can be checked. ["Printable" End] is displayed in
the second row on the panel during execution. This menu is ended by pressing
the [Pause] key.
NOTE: Facing the printer, Fan1 is on the home position side and fan2 is
on the other side.
Revision C
96