Epson 3880 - Stylus Pro Color Inkjet Printer, Service Manual, Page: 77 / 306

Epson Stylus Pro 3800/3800C/3850/3880/3885/3890 Revision C
TROUBLE SHOOTING Remedies for Service Call Error 77
1225 Positioning time-out The PF roller cannot be rotated to the specified point. Check that the PF timing belt is properly attached.
Check the PF timing belt’s tension. Correct it if not proper.
Replace the PF motor (MOTOR, RELEASE, ASSY).
See 4.3.10.3 MOTOR, RELEASE, ASSY. on page 187.
1226 Integral term overload An abnormal load is applied to the PF motor. Check all the parts that are driven by the PF motor for any
abnormal load, and fix any abnormality.
Replace the PF motor (MOTOR, RELEASE, ASSY).
See 4.3.10.3 MOTOR, RELEASE, ASSY. on page 187.
131B Head driver (transmission gate) temp. error The temperature of the head driver has reached the upper limit. Check the head FFC for connection status. Reconnect the FFC
correctly.
Replace the print head.
See 4.3.9.5 PRINT HEAD on page 161.
The main board is broken. Replace the main board (BOARD ASSY., MAIN).
See 4.3.4.1 BOARD ASSY., MAIN on page 113.
1400 Pressure motor drive timeover The target pressure cannot be achieved after the Pressure motor
has driven for a predetermined time period (40 seconds). Check junction of the ink cartridge and the ink cartridge holder,
and remove any obstruction between them if any.
Replace the ink cartridge.
Replace the pressure pump (PURESSURE, PUMP, ASSY).
The home position of the Pressure pump cannot be detected
because the ridges of the accordion unit are adhered to each other,
or the Pressure pump home sensor is broken. Replace the pressure pump (PURESSURE, PUMP, ASSY).
See 4.3.9.7 PRESSURE, PUMP, ASSY. on page 167.
Replace the main board (BOARD ASSY., MAIN).
See 4.3.4.1 BOARD ASSY., MAIN on page 113.
1401 Air leaks The Pressure pump has air leaks. Check that the pressure tube is properly connected. Reconnect the
tube correctly if not.
Replace the pressure pump (PURESSURE, PUMP, ASSY).
See 4.3.9.7 PRESSURE, PUMP, ASSY. on page 167.
1403 Pressure reducing error The pressure cannot be reduced. Replace the pressure pump (PURESSURE, PUMP, ASSY).
See 4.3.9.7 PRESSURE, PUMP, ASSY. on page 167.
1404 Pump movement cycle over error The Pressure pump performed its movement cycle a
predetermined number of times (60 cycles), but the pressure does
not reach the specified level due to a malfunction of the pump,
sensor or motor. Replace the pressure pump (PURESSURE, PUMP, ASSY).
See 4.3.9.7 PRESSURE, PUMP, ASSY. on page 167.
Because of air leaks, the specified pressure cannot be obtained. Replace the ink cartridge.
Air is leaking through a gap between the ink cartridge and the ink
cartridge holder due to an obstruction between them. Check junction of the ink cartridge and the ink cartridge holder,
and remove any obstruction between them if any.
Error Code Error Name Description Remedy