Canon Color imageRUNNER C5180 Series Service Manual Download

Page: 697 / 851

Chapter 19

19-52

11. HV-TR

Transfer Charging Assembly / Pre-Transfer Charging Assembly Output Adjustment
The adjusted offset doesn't become valid unless all of the following 6 items are entered: 2TR-TGT, 2TR-SHR,
TR-PPR, TR-ENV, TR-CLR and TRDUP.
The settings entered for all 6 items make up a single pattern. 8 patterns can be stored in memory.

T-19-38

COPIER>ADJUST>HV-TR

Sub item

Description

level.

2TR-TGT1/2/3/4/5/6/7/8

- 2TR-TGT1/2/3/4/5/6/7/8 (Used to adjust the offset to the secondary transfer target
current.)
Adjustment range: -5 to +5 (2 µA units) [Factory default/After RAM clear: 0]
Increasing the setting value: Effective for images with toner spatter/water droplets.
Decreasing the setting value: Effective for images with white marks, white blotches,
rough-textured half-tones.

2TR-SHR1/2/3/4/5/6/7/8

- 2TR-SHR1/2/3/4/5/6/7/8 (Used to adjust the offset to the secondary transfer paper-
portion voltage.)
Adjustment range: -5 to +5 (100 V units) [Factory default/After RAM clear: 0]
Increasing the setting value: Effective for images with toner spatter/water droplets.
Decreasing the setting value: Effective for images with white marks, white blotches,
rough-textured half-tones.

TR-PPR1/2/3/4/5/6/7/8

- TR-PPR1/2/3/4/5/6/7/8 (paper type item for secondary transfer offset adjustment)
1: Plain [Factory default/After RAM clear: 1)
2: Recycled
3: Bond
4: Tracing Paper
5: Heavy1
6: Heavy2
7: Special paper 1 (including labels)
8: Glossy paper
9: Special paper 2 (including Japanese paper)
10: Postcards/envelopes
11: Transparencies (color)
12: Transparencies (monochrome)

TR-ENV1/2/3/4/5/6/7/8

- TR-ENV1/2/3/4/5/6/7/8 (environmental item for secondary transfer offset
adjustment)
Enter value of COPIER > DISPLAY > MISC > ENV-TR.
1: Low-humidity environment [Factory default/After RAM clear: 1]
2: Normal-humidity environment
3: High-humidity environment

TR-CLR1/2/3/4/5/6/7/8

- TR-CLR1/2/3/4/5/6/7/8 (color mode item for secondary transfer offset adjustment)
1: Full-color mode [Factory default/After RAM clear: 1]
2: Monochrome mode

TR-DUP1/2/3/4/5/6/7/8

- TR-DUP1/2/3/4/5/6/7/8 (one/two-sided item for secondary transfer offset
adjustment)
1: One-sided [Factory default/After RAM clear: 1]
2: Automatic two-sided
3: Manual feed two-sided

1TR-TGY

Adjusting target current offset of primary transfer ATVC (Y)
Adjustment range: -5 to 5 (unit: 0.5 uA) (default: 0)
It is enabled when COPIER>OPTION>BODY>PTATVCSW = 1 (primary ATVC
control is enabled).
Change a setting value when any of the following faulty images occurs.
- Mottle marks/Mark of the auxiliary brush due to remaining transfer toner (when
color density of the brush mark is high)/Transfer ghost: Primary transfer current is
low. -> Change a setting value to the '+' direction.
- Fogging due to re-transfer/Mark of the auxiliary brush due to remaining re-transfer
toner (when color density of the former station is higher than that of the brush mark):
Primary transfer current is high -> Change a setting value to the '-' direction.

Canon Color imageRUNNER C5180 Series, Service Manual

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