Chapter 7
7-4
A. Timing and particulars of potential control
1. At the time of warm-up
The machine's potential control consists of copier potential control mechanisms and printer potential control mechanisms.
The machine uses VD=390V for both copier and printer control mechanisms.
The timing of potential control is as follows:
T-7-3
2. In the service mode
If enabled in service mode, potential control starts 10 min and 60 min after the main power switch is turned on or when the door is opened and closed. The timing
and particulars of potential control are as follows:
T-7-4
B. Sequence of potential control
1. At the time of warm-up
F-7-6
The sequence and particulars of potential control are as follows:
[1] copier potential control: VD = 8 times max.; VL1 = 8 times max.; VL2 = once
[2] printer potential control: VD = 8 times max.; VL1 = 8 times max.; VL2 = once
SERVICE MODE:
At time of warm-up
Purpose
to execute potential control for copier/printer mode
to determine a constant value for copier/printer mode
Operating condition
- the temperature of the fixing assembly is 50 deg C or lower when the main power
switch is on
- when the first image is being formed 60 min after warm-up
Operation length
10 sec (approx.)
Service mode
may be enabled or disabled using the following: COPIER>OPTION>BODY>PO-
CNT
Default
ON (potential control for both copier and printer modes)
10 min and 60 min after the main power switch is turned on
Purpose
to control sensitivity, thus making up for changes in drum temperature
to accommodate changes in charging efficiency
Operating conditions
- start of the 1st job 10 min and 60 min after the main power switch has been turned
on
- the door is opened and closed
Operation length
off: is not executed (default)
short mode: about 5 sec
standard mode: about 10 sec
service mode
settings may be OFF, short, or standard as determined by the following:
COPIER>OPTION>BODY>PO-CNTMD
Default
OFF
WMUPR
WMUP
STBY
Fixing assembly temperature 195 C
200 C
Drum motor (M1)
Primary charging
Laser
Potential sensor
Printer potential control [2]
Copier potential control [1]
VD VD VD VL1
VL2
VL1
VD VD VD VL1
VL2
VL1
Summary of Contents for iR5055
Page 1: ...Feb 29 2008 Service Manual iR5075 5065 5055 Series ...
Page 2: ......
Page 6: ......
Page 27: ...Contents 19 1 2 List of Solvents Oils 19 2 ...
Page 28: ...Contents ...
Page 29: ...Chapter 1 Introduction ...
Page 30: ......
Page 32: ......
Page 59: ...Chapter 2 Installation ...
Page 60: ......
Page 104: ...Chapter 2 2 42 F 2 156 2 1 ...
Page 105: ...Chapter 3 Basic Operation ...
Page 106: ......
Page 108: ......
Page 115: ...Chapter 4 Main Controller ...
Page 116: ......
Page 118: ......
Page 135: ...Chapter 5 Original Exposure System ...
Page 136: ......
Page 169: ...Chapter 6 Laser Exposure ...
Page 170: ......
Page 172: ......
Page 178: ......
Page 179: ...Chapter 7 Image Formation ...
Page 180: ......
Page 184: ......
Page 217: ...Chapter 8 Pickup Feeding System ...
Page 218: ......
Page 274: ......
Page 275: ...Chapter 9 Fixing System ...
Page 276: ......
Page 280: ......
Page 320: ......
Page 321: ...Chapter 10 External and Controls ...
Page 322: ......
Page 326: ......
Page 336: ...Chapter 10 10 10 F 10 7 2 Remove the check mark from SNMP Status Enabled ...
Page 337: ...Chapter 10 10 11 F 10 8 ...
Page 361: ...Chapter 11 MEAP ...
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Page 364: ......
Page 409: ...Chapter 12 e maintenance imageWARE Remote ...
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Page 412: ......
Page 421: ...Chapter 13 Maintenance and Inspection ...
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Page 424: ......
Page 433: ...Chapter 14 Standards and Adjustments ...
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Page 464: ......
Page 465: ...Chapter 15 Correcting Faulty Images ...
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Page 468: ......
Page 496: ......
Page 497: ...Chapter 16 Self Diagnosis ...
Page 498: ......
Page 500: ......
Page 528: ......
Page 529: ...Chapter 17 Service Mode ...
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Page 532: ......
Page 600: ......
Page 601: ...Chapter 18 Upgrading ...
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Page 604: ......
Page 636: ...Chapter 18 18 32 F 18 59 2 Select the data to download F 18 60 3 Click Start ...
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Page 639: ...Chapter 19 Service Tools ...
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Page 645: ...Feb 29 2008 ...
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