Epson WF-C5790 User Manual

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Troubleshooting procedure 102
Confidential
CR ERROR (2)
 Error name
 CR PID excess load error (error code: 000021)
 CR PID reverse error (error code: 000023)
 CR PID lock error (error code: 000024)
 CR load position excess load error (error code: 000031)
 CR load position reverse error (error code: 000033)
 Cause
 State in which load of CR Motor exceeds expected load
 When rotated in the opposite direction to rotation direction
(There was a sudden load error, and the motor rotated in the opposite direction in reaction to it)
 Suspected cause
 Jammed paper or foreign object remained
 CR Lock Lever failure (Inksystem Assy failure)
 High sliding load (oil cutoff, paper dust, mist)
 CR Scale is dirty or damaged.
 Contact damage (contact failure)/disconnection/half insertion of CR Encoder FFC
 CR Motor failure
 Main Board failure
 Troubleshooting
Step Check and measure Yes No
1
Visually check the CR scanning section
Is there no paper jam paper and foreign object in the CR scanning section?
Go to step 2 Remove the jammed paper and foreign object.
2
Check the CR Lock Lever operation
Does the CR Lock Lever operate correctly when the power is on?
(Is the lowering operation performed correctly?)
Go to step 3 Replace the Inksystem Assy.
3
Check the status of the CR Guide Frame
Is the CR Guide Frame dirty from paper dust or mist? Is a lubrication
shortage occurring?
Go to step 4
Lubricate the CR Unit and CR Gudie Frame
contacting point after cleaning.
4
Check the status of the CR Scale.
Is the CR Scale dirty or damaged?
Go to step 5
 Clean, if dirty.
 Replace the CR Scale in the case of damage.

Epson WF-C5790 Specifications

General

Print Resolution	4800 x 1200 dpi
Duplex Printing	Yes
Paper Capacity	250 sheets
Monthly Duty Cycle	Up to 45, 000 pages
Display	4.3" color touchscreen
Functions	Print, Copy, Scan, Fax
Output Capacity	150 sheets
Scan Resolution	1200 x 2400 dpi
ADF Capacity	50 sheets
Ink Type	DURABrite Ultra pigment ink
Ink Cartridge Configuration	4 individual ink cartridges (Black, Cyan, Magenta, Yellow)
Print Technology	PrecisionCore
Print Speed (Black)	24 ppm (ISO)
Print Speed (Color)	24 ppm (ISO)
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Mobile Printing	Apple AirPrint, Google Cloud Print
Scanner Type	Color flatbed
Fax Speed	33.6 Kbps
Paper Sizes	A4, A5, A6, B5, Letter, Legal, Executive