EPSON STYLUS PRO 7400
ERROR CODES AND LUBRICATION
MAINTENANCE ERROR CODES
MAINTENANCE REQ
0002
CR movement cycles
reached the specified value.
MAINTENANCE REQ
0008
The RTC backup
battery run down or is not installed.
MAINTENANCE REQ 0040
The pump counter
reached the specified upper limit.
MAINTENANCE REQ
0080
The date and time has
not been set.
MAINTENANCE REQ
0100
A momentary drop in
voltage of the RTC backup battery
MAINTENANCE REQ
0400
Pressure Pump counter
reached the specified limit.
SERVICE ERROR CODES
SERVICE REQ 00000101
The CR Motor reached its end of life.
SERVICE REQ
00010000
PF Encoder check
error
SERVICE REQ 00010001
The PF Motor is out
of step.
SERVICE REQ
00010002
Over current occurred
on the PF Motor.
SERVICE REQ
00010003
The PF Motor out of position timeout error S
ERVICE REQ 00010004
CR Encoder check
error
SERVICE REQ
00010005
CR Motor is out of
step.
SERVICE REQ 00010007
The CR Motor out of
position timeout error
SERVICE REQ 00010008
Servo interrupt
watchdog timeout error
SERVICE REQ
00010009
System interrupt
watchdog timeout error
SERVICE REQ
0001000A
Carriage home
position detection error
SERVICE REQ
0001000C
PG home position
detection error
SERVICE REQ
00010014
Failure of
pressurizing
SERVICE REQ
0001001B
Head driver (TG)
temperature error
SERVICE REQ
0001001D
CR servo parameter
error
SERVICE REQ
0001001E
PF servo parameter
error
SERVICE REQ
00010020
CSIC reading/writing
error
SERVICE REQ
00010023
RTC analyzing error
SERVICE REQ
00010026
RTC communication
error
SERVICE REQ
00010027
Pressure pump micro
airleak error
SERVICE REQ
00010028
Head error
SERVICE REQ
0001002A
CR ASIC ECU error
SERVICE REQ
0001002D
The Cleaning Unit reached its end of life.
SERVICE REQ
00010035
Pump phase detection
error
SERVICE REQ
00010036
TypeB board
installation error
SERVICE REQ
00010037
Head thermistor error
SERVICE REQ
00010038
Transistor thermistor
error
SERVICE REQ
0001003E
Pressure Sensor
failure
SERVICE REQ
0001003F
The Pressure Motor
reached its end of life.
SERVICE REQ
00010040
Printing position
error
SERVICE REQ
00020000
NVRAM error
SERVICE REQ
00020002
SDRAM error
SERVICE REQ
00020003
Boot program sum
error
SERVICE REQ
0002000A
Program load error
SERVICE REQ
0002000B
The internal memory
is insufficient.
SERVICE REQ
0Dxxxxxx
An error code for
debugging
SERVICE REQ
0Exxxxxx
A timelag of the RTC
timer
SERVICE REQ
100000E0
CPU address error
(load)
SERVICE REQ
10000100
CPU address error
(store)
SERVICE REQ
10000180
CPU reserved command
code exception error
SERVICE REQ
100001A0
CPU slot undefined
command exception error
SERVICE REQ 100001C0
The AC power is shut
off.
SERVICE REQ
100005C0
CPU DMA address error
SERVICE REQ
10000xxx
CPU error
LUBRICATION
1.Roll Top Cover
Lubrication Point
Lubrication Point
On the right side of the Roll Top Cover where contacts with the washer
Lubricants
Lubricants
G-26
Amount
Amount
A drop of 1 mm in diameter for around the circle
Remarks Use a small syringe or needle (equivalent to JIS17#).
Remarks Use a small syringe or needle (equivalent to JIS17#).
2. PG Idle Gear
Lubrication Point
Lubrication Point
1. On the teeth of the three gears
2. Five shaft heads retained by the E-rings
3. Bearing part (one point)
Lubricants
2. Five shaft heads retained by the E-rings
3. Bearing part (one point)
Lubricants
G-26
Amount
Amount
1. A drop of 1 mm in diameter for about one
third around the each gear
2. A drop of 1 mm in diameter for about 2 mm length on the each E-ring
3. A drop of 1 mm in diameter for 2 mm length on the shaft head.
2. A drop of 1 mm in diameter for about 2 mm length on the each E-ring
3. A drop of 1 mm in diameter for 2 mm length on the shaft head.
3. Roll Top Cover
Lubrication Point
Lubrication Point
On the right side of the Roll Top Cover where
contacts with the washer
Lubricants
Lubricants
G-26
Amount
Amount
A drop of 1 mm in diameter for around the circle
Remarks Use a small syringe or needle (equivalent to JIS17#).
Remarks Use a small syringe or needle (equivalent to JIS17#).
4. Driven Roller C Assy.
Lubrication
Lubrication
Point Contact point between the Arm Bracket and
the Pressure Cam
• Stylus Pro 7400 8 points
Lubricants
• Stylus Pro 7400 8 points
Lubricants
G-26
Amount
Amount
A drop of 1 mm in diameter for about 2 mm length
on the each contact point
Remarks Use a small syringe or needle (equivalent to JIS17#).
5. CR Guide Rail
Lubrication Point
Lubrication Point
Outside four surfaces on the CR Guide Rail on
where the roller bearings run through
Lubricants
Lubricants
Super Multi Oil #32
Amount
Amount
A drop of
1 mm in diameter for the full-length of each four surfaces
Remarks • Use a small syringe or needle (equivalent to JIS17#).
• Be sure to clean the surfaces before applying the lubricants.
Remarks • Use a small syringe or needle (equivalent to JIS17#).
• Be sure to clean the surfaces before applying the lubricants.