Epson Aculaser M 2000 Service Manual

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Jam Display 101
Confidential3.2.2  Sensor layout
[1]
Exit Sensor
PC2
[2]
Duplex Unit Transport Sensor 1
PC1 DU
[3]
Duplex Unit Transport Sensor 2
PC2 DU
[4]*
Registration Roller Sensor
PC1
OHP Sensor
PC4
[5]
Vertical Transport Sensor (Optional Cassette 1)
PC8-PC
[6]
Paper Take-Up Sensor (Optional Cassette 1)
PC9-PC
[7]
Vertical Transport Sensor (Optional Cassette 2)
PC8-PC
[8]
Take-up Sensor (Optional Cassette 2)
PC9-PC
[9]
Vertical Transport Sensor (Optional Cassette 3)
PC8-PC
[10]
Take-up Sensor (Optional Cassette 3)
PC9-PC
Note * : Two different types of sensors are located in the area near [4].
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Jam Display 102
Confidential3.2.3  SolutionINITIAL CHECK ITEMSWhen a paper misfeed occurs, first make checks of the following initial check items
MISFEED AT FUSING/EXIT SECTION (A, B, H)†
Detection Timing
†
Action
Table 3-1.  Initial Check Items
Check Item
Action
Does paper meet product specifications?
Change paper.
Is paper curled, wavy, or damp.
Change paper.Instruct user in correct paper storage.
Is a foreign object present along the paper path, or is 
the paper path deformed or worn?
Clean or change the paper path.
Are the Paper Separator Fingers dirty, deformed, or 
worn? 
Clean or change the defective Paper 
Separator Finger.
Are rolls/rollers dirty, deformed, or worn?
Clean or change the defective roll/roller.
Are the Edge Guide and Trailing Edge Stop at 
correct position to accommodate paper?
Set as necessary.
Are actuators found operational as checked for 
correct operation? 
Correct or change the defective actuator.
Table 3-2.  Detection Timing
Type
Description
Detection of 
misfeed at Fusing/
Exit Section
PC2 is not unblocked even after the lapse of a given period of time after 
the paper has blocked the Exit Sensor (PC2).The Duplex Unit Transport Sensor 1 (PC1) is not blocked even after the 
lapse of a given period of time after the Exit Sensor (PC2) has been 
unblocked by the paper during a switchback sequence.
Detection of paper 
left in Exit Section
The Exit Sensor (PC2) is blocked when the Main Power Switch is turned 
ON, a door or cover is opened and closed, or a misfeed or malfunction is 
reset.
Table 3-3.  ActionRelevant Electrical Parts
†
Exit Sensor (PC2)
†
Duplex Unit Transport Sensor 1 (PC1)
†
Duplex Control Board (PWB-A DU)
†
Mechanical Control Board (PWB-M)
Step
Action
Connection Diagram
Control Signal
Location
(electrical 
parts)
1
Initial check items
---
---
2
PC2 I/O check, Sensor check
PWB-M CNTH2-8 (ON)
C-14
3
PC1 I/O check, Sensor check
---
U-18
4
Change PWB-A (p.312)
---
---
5
Change PWB-M (p.198)
---
--- 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Jam Display 103
ConfidentialMISFEED AT 2ND IMAGE TRANSFER SECTION (A)†
Detection Timing
†
Action
Table 3-4.  Detection Timing
Type
Description
Detection of 
misfeed at 2nd 
Transfer section
The leading edge of the paper does not block the Exit Sensor (PC2) even 
after the lapse of a given period of time after the Registration Roller 
Clutch (CL1) has been energized.The Registration Roller Sensor (PC1) is not unblocked even after the lapse 
of a given period of time after it has been blocked by the paper. 
Detection of paper 
left in 2nd Transfer 
section
The Registration Roller Sensor (PC1) is blocked when the Power Switch 
is turned ON, a cover is opened and closed, or a Jam or malfunction is 
reset.The OHP Sensor (PC4) is blocked when the Main Power Switch is turned 
ON, a cover is opened and closed, or a Jam or malfunction is reset.The Exit Sensor (PC2) is blocked when the Image Transfer Belt Unit is 
being cleaned.
Misfeed detected as 
a result of delayed 
deactivation of 
sensor
The Registration Roller Sensor (PC1) is not unblocked at MP tray feed 
even when the lapse of a given period of time passed after it has been 
shaded by the paper.
2nd Transfer 
section Loop 
Registration 
Reversing JAM
The Registration Roller Sensor (PC1) has been shaded earlier than the 
specified period of time after the Feed Roller started rotating to feed 
paper.
Table 3-5.  ActionRelevant Electrical Parts
†
Registration Roller Sensor (PC1)
†
Exit Sensor (PC2)
†
OHP Sensor (PC4)
†
Registration Roller Clutch (CL1)
†
Mechanical Control Board (PWB-M)
Step
Action
Connection Diagram
Control Signal
Location
(electrical parts)
1
Initial check items
---
---
2
PC1 I/O check, Sensor check
PWB-M CNSEN-3 (ON)
C-3A to 4
3
PC2 I/O check, Sensor check
PWB-M CNTH2-8 (ON)
C-14
4
PC4 I/O check, Sensor check
PWB-M CNSEN-6 (ON)
C-4
5
CL1 operation check
PWB-M CNSEN-18 (ON)
C-5
6
Change PWB-M (p.198)
---
--- 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Jam Display 104
ConfidentialMISFEED AT MP TRAY PAPER FEED SECTION (A, G)†
Detection Timing
†
Action
MISFEED AT CASSETTE 1 PAPER FEED SECTION (A, G)†
Detection Timing
†
Action
Table 3-6.  Detection Timing
Type
Description
Detection of 
Misfeed at MP Tray 
Paper Feed section
The leading edge of the paper does not block the Registration Roller 
Sensor (PC1) even after the lapse of a given period of time after the MP 
Tray Feed Clutch (CL5) has been energized.
MP Tray Paper 
Feed section
 
Loop Registration 
Reversing JAM
The Registration Roller Sensor (PC1) is not shaded even when the 
specified period of time has passed after the Feed Roller started rotating to 
feed paper from MP tray.
Table 3-7.  ActionRelevant Electrical Parts
†
Registration Roller Sensor (PC1)
†
MP Tray Feed Clutch (CL5)
†
Mechanical Control Board (PWB-M)
Step
Action
Connection Diagram
Control Signal
Location
(electrical parts)
1
Initial check items
---
---
2
PC1 I/O check, Sensor check
PWB-M CNSEN-3 (ON)
C-3 to 4
3
CL5 operation check
PWB-M CNTRY1-2 (ON)
C-9
4
Change PWB-M (p.198)
---
---
Table 3-8.  Detection Timing
Type
Description
Detection of Misfeed at 
Cassette 1 Paper Feed 
section 
The leading edge of the paper does not block the Registration Roller 
Sensor (PC1) even after the lapse of a given period of time after the 
Cassette 1 Paper Feed Clutch (CL2) has been energized.
Cassette 1 Paper Feed 
section
 
 Loop Registration 
Reversing JAM
The Registration Roller Sensor (PC1) is not shaded even when the 
specified period of time has passed after the Feed Roller started 
rotating to feed paper from standard cassette.
Table 3-9.  ActionRelevant Electrical Parts
†
Cassette 1 Paper Feed Clutch (CL2)
†
Registration Roller Sensor (PC1)
†
Mechanical Control Board (PWB-M)
Step
Action
Connection Diagram
Control Signal
Location
(electrical parts)
1
Initial check items
---
---
2
PC1 I/O check, Sensor check
PWB-M CNSEN-3 (ON)
C-3 to 4
3
CL2 operation check
PWB-M CNLP-13 (ON)
C-11
4
Change PWB-M (p.198)
---
--- 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Jam Display 105
ConfidentialMISFEED AT OPTIONAL CASSETTE PAPER FEED, OPTIONAL CASSETTE VERTICAL TRANSPORT SECTION (A, G, E2, E3, E4)†
Detection Timing
†
Action
Table 3-10.  Detection Timing
Type
Description
Detection of Misfeed at 
Optional Cassette Paper 
Feed section
The leading edge of the paper does not block the Vertical 
Transport Sensor (PC8) even after the lapse of a given period of 
time after the Paper Feed Motor (M1) has been energized.
Detection of Misfeed at 
Optional Cassette Vertical 
Transport section
The Registration Roller Sensor (PC1) is not blocked even after the 
lapse of a given period of time after the paper has blocked the 
Vertical Transport Sensor (PC8).Vertical Transport Sensor (PC8) does not transmit the paper even 
after the lapse of a given period of time after the paper has blocked 
PC8.
Optional Cassette Vertical 
Transport section Loop 
Registration Reversing 
JAM
The Registration Roller Sensor (PC1) is not shaded even when the 
specified period of time has passed after the Feed Roller started 
rotating to feed paper.
Detection of paper left in 
Optional cassette
The Vertical Transport Sensor (PC8-PC) is blocked when the 
Power Switch is turned ON, a cover is opened and closed, or a 
JAM or malfunction is reset.The Paper Take-Up Sensor (PC9-PC) is blocked when the Power 
Switch is turned ON, a cover is opened and closed, or a JAM or 
malfunction is reset.
Table 3-11.  ActionRelevant Electrical Parts
†
Paper Take-Up Sensor (PC9-PC)
†
Vertical Transport Sensor (PC8-PC)
†
Registration Roller Sensor (PC1)
†
Paper Feed Motor (M1-PC)
†
Control Board (PWB-Z-PC)
†
Mechanical Control Board (PWB-M)
Step
Action
Connection Diagram
Control Signal
Location
(electrical 
parts)
1
Initial check items
---
---
2
PC9 I/O check, Sensor check
PWB-Z PC PJ6Z PC-8 (ON)
V-22
3
PC8 I/O check, Sensor check
PWB-Z PC PJ6Z PC-11 (ON)
V-22
4
PC1 I/O check, Sensor check
PWB-M CNSEN-3 (ON))
C-3 to 4
5
M1 operation check
PWB-Z PC PJ5Z PC-1 to 4
Q-22
6
Change PWB-Z (p.279)
---
---
7
Change PWB-M (p.198)
---
--- 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Jam Display 106
ConfidentialMISFEED AT DUPLEX TRANSPORT SECTION (DUPLEX OPTION) (D, A)†
Detection Timing
†
Action
JAM AT DUPLEX PRE-REGISTRATION SECTION (DUPLEX UNIT) (D, A, G)†
Detection Timing
†
Action
Table 3-12.  Detection Timing
Type
Description
Detection of 
misfeed at Duplex 
Transport section
The Duplex Unit Transport Sensor 2 (PC2) is not blocked even after the 
lapse of a given period of time after the paper has blocked the Duplex Unit 
Transport Sensor 1 (PC1).The Duplex Unit Transport Sensor 1 (PC1) is not unblocked even after the 
lapse of a given period of time after it has been blocked by the paper.The Duplex Unit Transport Sensor 2 (PC2) is not unblocked even after the 
lapse of a given period of time after it has been blocked by the paper.
Detection of paper 
left in Duplex 
Transport Section
Duplex Unit Transport Sensor 1 (PC1DU) or Duplex Unit Transport 
Sensor 2 (PC2DU) is blocked when the Power Switch is turned ON, a 
cover is opened and closed, or a JAM or malfunction is reset.
Table 3-13.  ActionRelevant Electrical Parts
†
Duplex Unit Transport Sensor 1 (PC1 DU)
†
Duplex Unit Transport Sensor 2 (PC2 DU)
†
Duplex Unit Switchback Motor (M1 DU)
†
Duplex Unit Transport Motor (M2 DU)
†
Duplex Control Board (PWB-A DU)
†
Mechanical Control Board (PWB-M)
Step
Action
Connection Diagram
Control Signal
Location
(electrical parts)
1
Initial check items
---
---
2
PC1 I/O check, Sensor check
---
U-18
3
PC2 I/O check, Sensor check
---
U-18
4
M1 operation check
PWB-A DU PJ4A DU-1 to 4
V-19
5
M2 operation check
PWB-A DU PJ5A DU-1 to 4
V-19
6
Change PWB-A (p.312)
---
---
7
Change PWB-M (p.198)
---
---
Table 3-14.  Detection Timing
Type
Description
Detection of Misfeed at 
Duplex pre-registration 
section
The Registration Roller Sensor (PC1) is not blocked even after the 
lapse of a given period of time after a Duplex paper feed sequence 
has been started.
Detection of Loop 
Registration Reversing 
JAM at Duplex pre-
registration section
The Registration Roller Sensor (PC1) is not shaded even when the 
specified period of time has passed after the Feed Roller started 
rotating to re-feed paper.
Table 3-15.  ActionRelevant Electrical Parts
†
Registration Roller Sensor (PC1)
†
Duplex Unit Switchback Motor (M1 DU)
†
Duplex Unit Transport Motor (M2 DU)
†
Duplex Control Board (PWB-A DU)
†
Mechanical Control Board (PWB-M)
Step
Action
Connection Diagram
Control Signal
Location
(electrical parts)
1
Initial check items
---
---
2
PC1 I/O check, Sensor check
---
U-18
3
M1 operation check
PWB-A DU PJ4A DU-1 to 4
V-19
4
M2 operation check
PWB-A DU PJ5A DU-1 to 4
V-19
5
Change PWB-A (p.312)
---
---
6
Change PWB-M (p.198)
---
--- 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Service Call Error 107
Confidential3.3  Service Call Error3.3.1  Error codeThe CPU performs a self-diagnostics function. If a malfunction is detected, an error code is displayed on the Control Panel.ERROR CODE LIST†
Engine-related Error
Table 3-16.  Error Code List
Code
Item
Detection Timing
Reference
E100
Polygon Motor/C failure to turn
†
The Polygon motor fails to turn stably even after the lapse of a given period of time after activating the 
Polygon motor.
†
Motor Lock signal detects H for a given period time consecutively during the Polygon motor is rotating.
p.113
E101
Polygon Motor/M failure to turn
E102
Polygon Motor/Y failure to turn
E103
Polygon Motor/K failure to turn
E110
Laser malfunction (Cyan)
†
SOS signal is not detected within the lapse of a given period of time after staring the laser output.
†
SOS signal is not detected within a given period of time during printing or IDC sensor adjustment.
p.113
E111
Laser malfunction (Magenta)
E112
Laser malfunction (Yellow)
E113
Laser malfunction (Black)
E200
Transfer Belt Separation
†
The 1st Image Transfer Pressure/Retraction Position Sensor doesnt turn ON (Retracting) even after the 
lapse of a given period of time after the 1st Image Transfer Pressure/Retraction Clutch has turned ON during 
the Transfer Belt is retracting.
†
The 1st Image Transfer Pressure/Retraction Position Sensor doesnt turn OFF (Pressuring) even after the 
lapse of a given period of time after the 1st Image Transfer Pressure/Retraction Clutch has turned ON during 
the Transfer Belt is pressuring.
p.114
E210
2nd Transfer Roller Separation
†
The 2nd Image Transfer Pressure Position Sensor doesnt turn ON (Retracting) even after the lapse of a 
given period of time after the 2nd Image Transfer Pressure/Retraction Motor has started rotating during the 
2nd Transfer Roller is retracting.
†
The 2nd Image Transfer Pressure Position Sensor doesnt turn OFF (Pressuring) even after the lapse of a 
given period of time after the 2nd Image Transfer Pressure/Retraction Motor has started rotating during the 
2nd Transfer Roller is pressuring.
p.114
E220
Transfer Belt Unit New Article Release
A new installation is not detected when a new Transfer Belt Unit is installed.
p.114 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Service Call Error 108
ConfidentialE300
Abnormally low Heating Roller temperature
†
The temperature of the Heating Roller Thermistor/1 (TH1) is lower than a given level of degree for 1 second 
or more uninterruptedly during Ready mode, Low Power mode or printing.
†
The temperature of the Heating Roller Thermistor/2 (TH3) is lower than a given level of degree for 1 second 
or more uninterruptedly during Ready mode, Low Power mode or printing.
p.115
E301
Abnormally low Fusing Pressure Roller temperature
†
The temperature of the Fusing Pressure Roller Thermistor /1 (TH2) is lower than a given level of degree for 
1 second or more uninterruptedly during Ready mode, Low Power mode or printing.
E302
Abnormally high Heating Roller temperature
†
The temperatures of the Heating Roller Thermistor/1 (TH1) and the Heating Roller Thermistor/2 (TH3) are 
higher than a given level of degree for 1 second or more uninterruptedly.
†
The Heater Relay is OFF.
E303
Abnormally high Fusing Pressure Roller temperature
†
The temperature of the Fusing Pressure Roller Thermistor/1 (TH2) is higher than a given level of degree for 
1 second or more uninterruptedly before the Heater temperature control starts.
†
The temperature of the Fusing Pressure Roller Thermistor/1 (TH2) is higher than a given level of degree for 
1 second or more uninterruptedly after the Heater temperature control starts.
E304
Heating Roller warm-up failure
†
The Heating Roller Thermistor/1 (TH1) and the Heating Roller Thermistor/2 (TH3) fails to raise a given 
degree of temperature even after the lapse of a given period of time after the Heating Roller Heater lamp/1 
(H1) is turned ON.
†
The detected temperature of the Heating Roller Thermistor/1 (TH1) is lower for a given level of degree than 
one of the Fusing Pressure Roller Thermistor/1 (TH2) after the Front Cover is opened or closed, the Main 
Power Switch is turned ON, or TROUBLE RESET is implemented.
†
The counter value of zero cross signal input is not updated for a given period of time.
E305
Fusing Pressure Roller warm-up failure
†
The Fusing Pressure Roller Thermistor/1 (TH2) fails to raise a given degree of temperature even after the 
lapse of a given period of time after the Fusing Pressure Heater Lamp (H3) is turned ON.
†
The detected temperature of the Fusing Pressure Roller Thermistor/1 (TH2) is lower for a given level of 
degree than one of the Heating Roller Thermistor/1 (TH1) after the Front Cover is opened or closed, the 
Main Power Switch is turned ON, or TROUBLE RESET is implemented.
E310
Fusing Unit New Article Release
A new installation is not detected when a new Fusing Unit is installed.
p.115
E400
Abnormally low toner density detected Cyan TCR Sensor
Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
p.116
E401
Abnormally high toner density detected Cyan TCR Sensor
Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
p.116
E402
Abnormally low toner density detected Magenta TCR 
Sensor
Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
p.116
E403
Abnormally high toner density detected Magenta TCR 
Sensor
Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
p.116
E404
Abnormally low toner density detected Yellow TCR Sensor
Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
p.116
E405
Abnormally high toner density detected Yellow TCR Sensor
Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
p.116
Table 3-16.  Error Code List
Code
Item
Detection Timing
Reference 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Service Call Error 109
ConfidentialE406
Abnormally low toner density detected Black TCR Sensor
Mixture ratio of the toner and carrier in the developing machine is lower than the specified value.
p.117
E407
Abnormally high toner density detected Black TCR Sensor
Mixture ratio of the toner and carrier in the developing machine is higher than the specified value.
p.117
E500
Main Motors failure to turn
The Motor Lock signal remains HIGH for a predetermined continuous period of time while the Motor is 
turning.
p.118
E501
Main Motor turning at abnormal timing
The Motor Lock signal remains LOW for a predetermined continuous period of time while the Motor remains 
stationary.
p.118
E510
Color PC Drum Motors failure to turn
The Motor Lock signal remains HIGH for a predetermined continuous period of time while the Motor is 
turning.
p.118
E511
Color PC Drum Motors turning at abnormal timing
The Motor Lock signal remains LOW for a predetermined continuous period of time while the Motor remains 
stationary.
p.119
E520
Color Developing Motors failure to turn
The Motor Lock signal remains HIGH for a predetermined continuous period of time while the Motor is 
turning.
p.119
E521
Color Developing Motors turning at abnormal timing
The Motor Lock signal remains LOW for a predetermined continuous period of time while the Motor remains 
stationary.
p.120
E550
Suction Fan Motors failure to turn
The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains 
stationary.
p.120
E551
Cooling Fan Motor/1s failure to turn
The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains 
stationary.
p.120
E552
Fusing Cooling Fan Motor/1s 
failure to turn
The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains 
stationary.
p.120
E553
Fusing Cooling Fan Motor/2s 
failure to turn
The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains 
stationary.
p.121
E554
Ozone Ventilation Fan Motors failure to turn
The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains 
stationary.
p.121
E555
Power Supply Cooling Fan Motor/1s failure to turn
The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains 
stationary.
p.121
E556
Cooling Fan Motor 2s failure to turn
The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains 
stationary.
p.121
E600
Cyan TCR Sensor adjustment failure
TCR Sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
p.122
E601
Magenta TCR Sensor adjustment failure
E602
Yellow TCR Sensor adjustment failure
E603
Black TCR Sensor adjustment failure
p.122
E610
1st Image Transfer ATVC (color) failure
An abnormal average value is detected while performing the first image transfer ATVC of color. 
p.123
Table 3-16.  Error Code List
Code
Item
Detection Timing
Reference 
						

							EPSON AcuLaser C9200NRevision D
Troubleshooting      Service Call Error 110
ConfidentialE611
1st Image Transfer ATVC (K) failure
An abnormal average value is detected while performing the first image transfer ATVC of black.
p.123
E612
2nd Image Transfer ATVC failure
An abnormal average value is detected while performing the second image transfer ATVC.
p.123
E620
Color PC Drum sensor malfunction
The output from the Color PC Drive Main and Sub Sensors remains unchanged for a continuous period of 
1,000 ms while the Color PC Drum Motor is turning stably and the Lock signal is active (LOW-0).
p.124
E621
BLACK PC Drum sensor malfunction
The output from the Black PC Drive Main and Sub Sensors remains unchanged for a continuous period of 
1,000 ms while the Main Motor is turning stably and the Lock signal is active (LOW-0).
p.124
E630
IDC Sensor (front) failure
†
All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image 
Transfer Belt) are 0.5 V or less, or 4.3 V or more at output checking during IDC Sensor adjustment.
†
All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image 
Transfer Belt) are 1.9 V or less, or 4.4 V or more at density setting during IDC Sensor adjustment.
†
The output of Sensor photo-receiver section from the detection point (toner pattern on the Image Transfer 
Belt) is 1.0 V or less after the adjustment.
p.125
E631
IDC Sensor (back) failure
†
All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image 
Transfer Belt) are 0.5 V or less, or 4.3 V or more at output checking during IDC Sensor adjustment.
†
All outputs of Sensor photo-receiver section from the detection point (unprinted surface on the Image 
Transfer Belt) are 1.9 V or less, or 4.4 V or more at density setting during IDC Sensor adjustment.
†
The output of Sensor photo-receiver section from the detection point (toner pattern on the Image Transfer 
Belt) is 1.0 V or less after the adjustment.
p.125
E640
Color Shift Test Pattern failure
†
 The number of points detected in the main scan direction is more or less than the specified value during 
main scan direction registration correction.
†
The number of points detected in the sub scan direction is more or less than the specified value during sub 
scan direction registration correction.
p.126
E641
Color Shift Adjust failure
†
The color shift amount is greater than the specified range during main scan direction registration correction.
†
The color shift amount is greater than the specified range during sub scan direction registration correction.
†
The skew correction amount is greater than the specified value.
p.126
E701
MP tray Rise Descent Error
†
The Bypass Lift-Up Sensor is not blocked even when the Vertical Transport Motor has turned for a given 
number of pulses after the sequence to move the Paper Lifting Plate from the standby position to the feed 
position was started.
†
The Bypass Lift-Up Sensor is not unblocked even when the Vertical Transport Motor has turned for a given 
number of pulses after the sequence to move the Paper Lifting Plate from the feed position to the standby 
position was started.
p.127
Table 3-16.  Error Code List
Code
Item
Detection Timing
Reference